Other Boards

Other Boards
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WS .RGB LED HAT for Raspberry Pi, colorful display, 8 × 8 grid
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This RGB LED HAT can be easily attached on top of the Raspberry Pi to display colorful effect, and controlled by only one signal pin.
R241.10  Inc VAT
DS3231 Mini RTC Module (Real Time Clock)
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R39.34  Inc VAT
GPIO Reference Board (Model B+,A+,2B and 3B)
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R29.90  Inc VAT
L9110S H Bridge Stepper Motor Dual DC Driver Controller Module
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This module can simultaneously drive two DC motors or a 4-wire 2-phase stepper motor
R35.31  Inc VAT
L298N Dual H-Bridge Stepper Motor Driver Board
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R59.52  Inc VAT
VGA 666 Adapter Board For Raspberry Pi 3 Model B 2B B+ A+
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R160.39  Inc VAT
Pimoroni Explorer HAT PRO
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R301.62  Inc VAT
SparkFun Logic Level Converter Bi-Directional
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R57.90  Inc VAT
Adafruit ADS1015 12-Bit ADC
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R180.57  Inc VAT
Blinkt!
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Eight super-bright RGB LED indicators that are ideal for adding visual notifications to your Raspberry Pi without breaking the bank!
R79.90  Inc VAT
T Style 40-Pin GPiO Breakout Board for Raspberry Pi 3 B, Pi 2 B & Pi B+
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R95.83  Inc VAT
Prototyping Expansion Shield Board For Raspberry Pi 2/3 Model B and B+ Kit
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R166.45  Inc VAT
OnOff SHIM
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Add a tiny yet convenient power switch to your Pi with OnOff SHIM!
R89.78  Inc VAT
GPS SMA Antenna 3 to 5V 28dB 5m (External, Active)
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R291.54  Inc VAT
Adafruit DC & Stepper Motor HAT - Mini Kit
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R402.50  Inc VAT
TEA5767 FM Stereo Radio Module 76-108MHZ For Arduino With Antenna
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Create your own little Arduino FM radio using this receiver
R161.30  Inc VAT
RPi 3 Paddle Breakout Kit
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R190.66  Inc VAT
ModMyPi Serial HAT (RS232)
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R180.57  Inc VAT
ModMyPi PiOT Relay Board
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The PiOT relay board allows you to bond a GPIO pin to a relay with the touch of a button.
R516.87  Inc VAT
Unicorn HAT
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R341.97  Inc VAT
WS .RGB LED HAT for Raspberry Pi, colorful display, 8 × 8 grid (1B3 WS RGB LED HAT)

Overview

This RGB LED HAT (B) can be easily attached on top of the Raspberry Pi to display colorful effect, and controlled by only one signal pin.

Features

  • Supports any revision of Raspberry Pi (directly-pluggable)
  • Onboard 8 × 8 RGB LED (WS2812B)
  • Control pin is configurable via jumpers (0Ω resistor)
  • Break out control pins, easy for working with other MCUs
  • Comes with development resources and manual (examples in Python and Web control)

Specifications

  • Operating voltage: 5V
  • Brightness: adjustable 256 levels
  • Color depth: 24-bit true color (8-bit for R/G/B respectively, totally 256x256x256=16777216 colors)
  • Data rate: 800Kbps(typ)
  • Dimension: 65mm × 56.2mm
  • Mounting hole size: 3.0mm

How to Use

In the case of working with a MCU:

  • 5V ↔ 5V power
  • GND ↔ GND
  • DIN ↔ Signal input

Development Resources

Wiki : www.waveshare.com/wiki/RGB_LED_HAT_(B)

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This RGB LED HAT can be easily attached on top of the Raspberry Pi to display colorful effect, and controlled by only one signal pin.
R241.10  Inc VAT
DS3231 Mini RTC Module (Real Time Clock) (3A4 rtc)

RASPBERRY PI NOT INCLUDED

This is a Mini Real-Time Clock module, it's design for the Raspberry Pi, but it can also be used with an Arduino.

Simply plug this tiny module into the GPIO header on the Raspberry Pi and away you go! 

Features:

  • Smaller
  • Work in 3.3V and 5V
  • Supported Raspberry Pi and Arduino

Specification:

  • DS3231 RTC IC
  • Self-adjust 3.3V and 5V
  • Size: 14x14x12 mm

Include:

  • 1x RTC Module
  • 1x Battery

Adding a Real Time Clock to Raspberry Pi
 

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R39.34  Inc VAT
GPIO Reference Board (Model B+,A+,2B and 3B) (1C3 gpio ref 40pin board)

RASPBERRY PI NOT INCLUDED(Neither the key-ring and keys for those who wondered)

This cute little GPIO reference board from ModMyPi allows you to quickly and easily distinguish between the different pins of the Raspberry Pi Model B+, Raspberry Pi 2B and Pi 3B! It's even got a key chain hole, so you can carry it around and keep it handy - you'll never know when you need to hack a Pi!

The GPIO reference board features BCM numbering on one side and the pin names on the other. It can be soldered for permanent referencing, or slipped on and off when required.

Dimensions:
 
Width = 67mm
Height = 19mm
Thickness = 0.8mm
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R29.90  Inc VAT
L9110S H Bridge Stepper Motor Dual DC Driver Controller Module (1D3 L9110S small H Bridge)

Description:

There are two L9110S motor controller chips onboard
This module can simultaneously drive two DC motors or a 4-wire 2-phase stepper motor

Feature:

Work under low static current
Power supply voltage: DC 2.5V - 12V
Each channel has 800mA continuous current output
Low saturation pressure drop
TTL / CMOS output level compatible, can be connected directly to the CPU
Output built-in clamping diode, apply to the perceptual load
Control and drive integrate in IC
Pin high pressure protection function
Working temperature: 0°C - 80°C
Size: 29 x 21mm(L x W)

Circuit diagram:
 


Package includes:

  1x L9110S stepper motor driver

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This module can simultaneously drive two DC motors or a 4-wire 2-phase stepper motor
R35.31  Inc VAT
L298N Dual H-Bridge Stepper Motor Driver Board (1D3 H Bridge big red dual stepper)
Description:

Double H bridge drive
Chip: L298N (ST NEW)
Logical voltage: 5V
Drive voltage: 5V-35V
Logical current: 0mA-36mA
Drive current: 2A (MAX single bridge)
Storage temperature: -20 to +135
Max power: 25W
Weight: 30g
Size: 43 x 43 x 27mm

Note:

This module has a built-in 5v power supply, when the driving voltage is 7v-35v, this supply is suitable as a power supply.
DO NOT connect input voltage to +5v on controller interface.
When ENA is enabled IN1 IN2 control OUT1 OUT2
When ENB is enabled IN3 IN4 control OUT3 OUT4

Note:  Package does not include the screws.

Package included:

5 x  L298N Module
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R59.52  Inc VAT
VGA 666 Adapter Board For Raspberry Pi 3 Model B 2B B+ A+ (2C4 vga board red soldered)
Description:

It is a neat and very useful solution for using a VGA display/monitor with your Raspberry Pi and is cheaper than an HDMI to VGA adapter or similar. The VGA connection is driven natively in hardware over the GPIO pins (using a parallel interface) and uses around the same CPU load as the HDMI connection on board. It is capable of displaying 1080p60 VGA video with no CPU load. It is also possible to drive this interface at the same time as the HDMI connection, so a dual screen set up is also possible.

This add-on board uses all but 6 of the GPIO pins so it may not be possible to use other add-on boards at the same time as the VGA adapter. You should disable all of the GPIO pin's function so that it can work properly.

We strongly recommend that you use 800x600 resolution. The highly resolution will slow down your Pi and use more RAM.

Feature:

- Support for Raspberry Pi 3B / 2B / B+ / A+
- The VGA output supports resolution:from 640 x 480 up to 1920 x 1024 at 60fps.
- With 6 bits per channel you have a maximum of 262144 colours.
- No soldering required.
- Easy to setup.
- Easy to configure.
- Dimension: 64.00mm x 32.3mm
- Net weight: 16.5g

Note:

Raspberry Pi main board is not included.

More about this item: http://wiki.52pi.com/index.php/VGA666_Module_For_RPi_SKU:EP-0073

Package includes:

1 × VGA Adapter Board
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R160.39  Inc VAT
Pimoroni Explorer HAT PRO (1B2 Explorer hat pro)

Please note: Raspberry Pi not included

The Explorer HAT and Explorer HAT Pro are the perfect prototyping side-kicks for your Raspberry Pi!

We've added a heap of useful input and output options that will take your projects to the next level. Great for driving motors, using analog sensors, interfacing with 5V systems, and touch (even fruit based!) interfaces.

It's compatible with Raspberry Pi 2, Pi 3, B+, and A+ and comes fully assembled.

Features:

  • Four buffered 5V tolerant inputs
  • Four powered 5V outputs (up to 500mA!)
  • Four capacitive touch pads
  • Four capacitive crocodile clip pads
  • Four coloured LEDs
  • PRO ONLY Four analog inputs
  • PRO ONLY Two H-bridge motor drivers
  • PRO ONLY A heap of useful (unprotected) 3v3 goodies from the GPIO
  • A mini breadboard on top!

5V tolerant inputs - Hook up your Pi to accept input from 5V systems (like Arduino Uno/Leonardo or 5V Trinkets). We've used a 5-channel buffer that will accept anything from 2V-5V as logic high.

5V powered ouputs - The onboard darlington array can supply up to 500mA per channel (but you'll be limited to driving around 1A total from the board). Ideal for stepper motors, solenoids, and relays.

Eight capacitive inputs - Four along the front edge for touch input (labelled 1, 2, 3, 4) and four up the side for attaching crocodile clips to objects (such as fruit, or tin foil) for experimentation!

Four coloured LEDs - Independently controllable LEDs (red, green, blue, and yellow) that make great status indicators.

Four analog inputs (pro only) - A tidy way to integrate analog signals into your project.

Two H-Bridge motor drivers (pro only) - Drive two 5V motors bidirectionally with up to 200mA per channel. Ideal with our micro-metal gear-motors to create the perfect little buggy! You can even soft-PWM for full speed control.

Full Python library, documentation and examples - Head on over to our GitHub to find a Python library, examples, documentation and a brief introduction to Explorer HAT: https://github.com/pimoroni/explorer-hat

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R301.62  Inc VAT
SparkFun Logic Level Converter Bi-Directional (3A4 Sparkfun logic level converter )

If you’ve ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The SparkFun bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.3V to 5V at the same time.

This level converter also works with 2.8V and 1.8V devices. What really separates this Logic level converter from our previous versions is that you can successfully set your high and low voltages and step up and down between them safely on the same channel. Each level converter has the capability of converting 4 pins on the high side to 4 pins on the low side with two inputs and two outputs provided for each side.

The level converter is very easy to use. The board needs to be powered from the two voltages sources (high voltage and low voltage) that your system is using. High voltage (5V for example) to the ‘HV’ pin, low voltage (3.3V for example) to ‘LV’, and ground from the system to the ‘GND’ pin.

Dimensions: 0.63 x 0.52" (16.05 x 13.33mm)

Documents:

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R57.90  Inc VAT
Adafruit ADS1015 12-Bit ADC (3A4 ADS1015 12-Bit ADC)

The Raspberry Pi does not feature an Analog-to-Digital Converter (ADC), so if you want to measure analogue singals, you'll need this 12-Bit ADC!

The Adafruit 4-Channel I2C 12-Bit ADC is a high-precision ADC and features the ADS1015 chip, which provides 12-bit precision at 3300 samples/second over I2C. The chip can be configured as 4 single-ended input channels, or two differential channels. As a nice bonus, it even includes a programmable gain amplifier,with up to x16, to help boost smaller single/differential signals to the full range. We like this ADC because it can run from 2V to 5V power/logic, can measure a large range of signals and its super easy to use. It is a great general purpose 12 bit converter. 

The chip's fairly small so it comes on a breakout board with ferrites to keep the AVDD and AGND quiet and interfacing is done via I2C. The address can be changed to one of four options (see the datasheet table 5 in downloads below) so you can have up to 4 ADS1015's connected on a single 2-wire I2C bus for 16 single ended inputs. 
 
To get you started, we have example code for the Raspberry Pi - Simply connect GND to ground, VDD to your logic power supply, and SCL/SDA to your microcontroller's I2C port and run the example code to start reading data.
 
The Adafruit 4-Channel I2C 12-Bit ADC Features:
  • Wide Supply Range: 2.0V to 5.5V
  • Low Current Consumption: Continuous Mode: Only 150µA Single-Shot Mode: Auto Shut-Down
  • Programmable Data Rate: 128SPS to 3.3kSPS
  • Internal Low-Drift Voltage Reference
  • Internal Oscillator
  • Internal PGA
  • I2C Interface: Pin-Selectable Addresses
  • Can run from 2V to 5V power/logic
  • Measures a large range of signals and is super easy to use.
  • 12-bit precision at 3300 samples/second over I2C.
  • Configurable as 4 single-ended input channels, or two differential channels.
  • Includes a programmable gain amplifier, up to x16, to help boost up smaller single/differential signals to the full range.
  • Breakout Board equipped with ferrites to keep the AVDD and AGND quiet

Tutorials

Four Channel ADC Breakout

Example Code for the Raspberry Pi

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R180.57  Inc VAT
Blinkt! (2B2 Blinkt)

Eight super-bright RGB LED indicators that are ideal for adding visual notifications to your Raspberry Pi without breaking the bank!

Inspired by Alex Ellis' work with his Raspberry Pi Zero Docker Cluster, we developed these boards for him to use as status indicators. Blinkt! offers eight APA102 pixels in the smallest (and cheapest) form factor to plug straight onto your Raspberry Pi.

Each pixel on Blinkt! is individually controllable and dimmable allowing you to create gradients, pulsing effects, or just flash them on and off like crazy. The data and clock lines are connected to GPIO #23 and #24 respectively but for simplicity you can just use our Python library to drive them.

Features

  • Eight APA102 RGB LEDs
  • Individually controllable pixels
  • Sits directly on top of your Pi in a tiny footprint
  • Fits inside most Pi cases
  • Doesn't interfere with PWM audio
  • Blinkt! pinout
  • Compatible with Raspberry Pi 3, 2, B+, A+, Zero, and Zero W
  • Python library
  • Comes fully assembled

Software

Our Blinkt! Python library will have you blasting out rainbows in two shakes of a unicorn's tail! There's a stack of examples too, from binary clocks to cheerlights and flickering candles to Larson scanners!

Notes

  • Be careful to plug in your Blinkt! the correct way round, it has curves on the top that match the corners of your Raspberry Pi.
  • The dimensions of Blinkt! are 65mm long x 8mm wide x 8.5mm thick (thickness includes header and pixels).

We featured Blinkt! on a special episode of Bilge Tank where we tried to come up with as many different code examples as possible in one morning. Check it out below.



Tutorials & Projects

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Eight super-bright RGB LED indicators that are ideal for adding visual notifications to your Raspberry Pi without breaking the bank!
R79.90  Inc VAT
T Style 40-Pin GPiO Breakout Board for Raspberry Pi 3 B, Pi 2 B & Pi B+ (T Board)
Pic is for illustration purposes only.
Colour might differ between blue and red as per manufacturer stock availability.

This T shaped breakout board makes it easier to use the GPIO pins as it is bigger in size and labeled.
The board also tightly fits on to a breadboard making electronic experiments much easier.

40 Pins means it's ready for use on the Pi3B,Pi2B and B+
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R95.83  Inc VAT
Prototyping Expansion Shield Board For Raspberry Pi 2/3 Model B and B+ Kit (3A4 Pi prototyping kit)
Features:

The hole gap is 2.54mm, and it's compatible with IC with DIP package.
The IO port can be quickly and easily implement your ideas.

Note:

- Extra header spacer included
- 170 tie points breadboard arranged in 34 rows of 5 pins included



Package includes:

1 x Prototyping Shield kit
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R166.45  Inc VAT
OnOff SHIM (3A4 On/Off Shim)

Our SHIMs (Shove Hardware in the Middle) are a new range of boards designed to be small, affordable, and handy. They're just 1mm thick (the bare board, not including mounted components) and designed to be soldered straight onto the GPIO pins of your Pi, if you wish, so that you can use them with HATs and pHATs on top.

Usage

Just plug your micro-USB power supply into the micro-B connector on OnOff SHIM, and then press the button once to switch on power and boot up your Pi. After installing our software (details below), you can press the button again to initiate a clean shutdown and completely cut the power to your Pi.

Features

  • super-small SHIM-format board
  • 1mm thick PCB
  • can be used with HATs and pHATs
  • corner-mounted push button for on/off
  • micro-B connector for power supply
  • red status LED
  • optional breakout pins to connect an external momentary button
  • 2x6 female header included
  • software daemon to shutdown cleanly
  • requires soldering

Software

We've put together a one-line-installer to install the clean shutdown daemon. It watches the state of BCM pin 17 and, when pulled low (pressed), it initiates a clean shutdown. Last thing, just before your Pi shuts down, BCM pin 4 is pulled low to completely cut power to your Pi.

To install the software, open a terminal and type curl https://get.pimoroni.com/onoffshim | bash to run the one-line-installer.

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Add a tiny yet convenient power switch to your Pi with OnOff SHIM!
R89.78  Inc VAT
GPS SMA Antenna 3 to 5V 28dB 5m (External, Active) (1A4 GPS Antenna)
Give your Raspberry Pi Ultimate GPS Project a boost with this external active antenna. This GPS antenna draws about 10mA and will give you an additional 28 dB of gain. The connecting cable is 5m long so it will easily reach wherever you need it to. The antenna is also magnetic so it will stick to the top of a car or truck (or any other steel structure)!
 
This Antenna is designed to be used with the following products:
 
  • GPS SMA to uFL Adaptor Cable
  • Ultimate GPS Breakout Board
  • GPS HAT Mini
  • GPS Logger Shield
  • 28dB Active External Antenna
Comes with a standard SMA connector on the end. If you want to connect to our Ultimate GPS V3 module, be sure to pick up a uFL to SMA adapter! 
 
The GPS SMA Antenna Features:
  • Gain 28 dB
  • Operating Frequency 1575.42MHz ± 1.023MHz (T1)
  • Output Impedance 50 ohms
  • Bandwidth 10 MHz minute @ S11 ≤ -10dB
  • Output VSWR 2.0 Max
  • Voltage 2.3~5.5V
  • Dimensions: L 41.2xW38.5xH13.3 mm
  • Mount: Magnetic Antenna
  • Coaxial Cable: RG174 Length 5m
  • Cable Connector: SMA MALE
  • Operating Temperature: -30°C to +85°C
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R291.54  Inc VAT
Adafruit DC & Stepper Motor HAT - Mini Kit (1D4 Adafr DC & Step Mini Kit)

Let your robotic dreams come true with the new DC+Stepper Motor HAT from Adafruit. This Raspberry Pi add-on is perfect for any motion project as it can drive up to 4 DC or 2 Stepper motors with full PWM speed control.

Raspberry Pi and motors are not included.

Since the Raspberry Pi does not have a lot of PWM pins, we use a fully-dedicated PWM driver chip onboard to both control motor direction and speed. This chip handles all the motor and speed controls over I2C. Only two pins (SDA & SCL) are required to drive the multiple motors, and since it's I2C you can also connect any other I2C devices or HATs to the same pins.

In fact, you can even stack multiple Motor HATs, up to 32 of them, for controlling up to 64 stepper motors or 128 DC motors (or a mix of the two) - just remember to purchase and solder in a stacking header instead of the one we include.

Motors are controlled by TB6612 MOSFET drivers with 1.2A per channel and 3A peak current capability, a big improvement over L293D drivers and there are built-in flyback diodes as well.

We even had a little space so we added a polarity protection FET on the power pins and a bit of prototyping area. And the HAT is assembled and tested here at Adafruit so all you have to do is solder on the included 2x20 plain header and the terminal blocks.

Lets check out these specs again:

  • 4 H-Bridges: TB6612 chipset provides 1.2A per bridge (3A peak) with thermal shutdown protection, internal kickback protection diodes. Can run motors on 4.5VDC to 13.5VDC.
  • Up to 4 bi-directional DC motors with individual 8-bit speed selection (so, about 0.5% resolution)
  • Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil, interleaved or micro-stepping.
  • Big terminal block connectors to easily hook up wires (18-26AWG) and power
  • Polarity protected 2-pin terminal block and jumper to connect external 5-12VDC power
  • Works best with Raspberry Pi model A+, B+, Pi 2 B or Pi 3 B.
  • Install the easy-to-use Python library, check out the examples and you're ready to go!

Comes with an assembled & tested HAT, terminal blocks, and 2x20 plain header. Some soldering is required to assemble the headers on. Stacking header not included.

Raspberry Pi, motors, and battery pack are not included but we have lots of motors in the shop and all our DC motors, and stepper motors work great. Check out Adafruit's detailed tutorial for tons of info including schematics, wiring diagrams, python libraries and example walkthroughs.

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R402.50  Inc VAT
TEA5767 FM Stereo Radio Module 76-108MHZ For Arduino With Antenna (3A4 FM receiver module)
Features:

Frequency range from 76-108MHZ automatic digital tuning.
High sensitivity, high stability, low noise, radio module.
A low-power electro-tuning FM stereo radio circuit, which integrates the IF frequency selection and demodulation network.
High sensitivity (Using low noise RF input amplifier)
High-gain automatic gain control (AGC) circuit
LC tuned oscillator fixed chip.

Specifications:

Board size: 31 x 30 mm
With a power reverse-protection diode
Board comes with power output filter inductor
Multiple capacitor combination filter
Blue power indicator
You can directly pull and plug the antenna port
I2C bus communication
FM radio TEA5767 dedicated chip module
Onboard headphone amplifier chip TDA1308 for audio amplification
Onboard 3.5mm audio interface, can be directly connected to headset amplifier
If connected with single chip, only need to connect the power ground and two I2C communication lines

Package includes:

1 x TEA5767 Radio Module
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Create your own little Arduino FM radio using this receiver
R161.30  Inc VAT
RPi 3 Paddle Breakout Kit (1B2 GPIO paddle breakout kit)

The ModMyPi Raspberry Pi 3 Paddle Breakout Kit enables you to bring the Raspberry Pi B+/2/3 GPIO out from your Raspberry Pi to a 'push wire' paddle terminal board! This kit requires absolutely no soldering, but will allow you to jump straight from the Pi to your project or breadboard without the use of a cobbler kit. All terminals are labelled on the PCB silkscreen and the kit includes a GPIO Ribbon cable.

The 'push wire' terminals can be utilised with solid core wire stripped to around 10mm of exposed copper.

The GPIO Paddle Board Breakout Kit Features:

  • Included 40 Pin GPIO Ribbon Cable
  • Included Cobbler Printed Circuit Board (PCB)
  • Fully Labelled Silkscreen for Easy Identification
  • Push Wire Terminals for Quick & Easy Connections

This kit comes pre assembled so no soldering is required!

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R190.66  Inc VAT
ModMyPi Serial HAT (RS232) (2C4 MMP Serial HAT)

RASPBERRY PI NOT INCLUDED


The Serial HAT from ModMyPi features a Male DB9 RS232 port connected to the Pi's UART pins via a MAX3232 IC. The MAX3232 IC converts the Pi's UART port to RS232, which enables serial communication with any RS232 compatible serial device!

RS232 is a legacy serial communication standard used in millions of devices globally including: printers, modems, data terminals, interface devices (keyboards/joysticks/mice), medical equipment, servers, instrumentation, industrial control equipment (PLC's, CNC, embedded computers), microcontroller development kits, service access points, sensor interfaces and many more! Many are being superseded by USB or even Bluetooth Low Energy but RS232 is still used in a lot of places and on loads of legacy equipment!

You can connect to the RS232 port on the Serial HAT via the male DB9 port (through use of a serial/null-modem cable) or via the TX/RX/GND solder points on the Serial HAT PCB. The Serial HAT can also be used for remote terminal access to your Raspberry Pi using a computer. You'll need a Female to Female Null Modem Cable, and a Serial to USB cable to achieve this!

The included 40 Pin "Single Shroud" Header, and 14mm Mounting Kit are designed to work with the HighPi Raspberry Pi Case.

Features:

Downloads

MAX3232 Data Sheet

Set Up & Configuration

Pinout Diagram

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R180.57  Inc VAT
ModMyPi PiOT Relay Board (2A3 MMP PiOT relay board)

Raspberry Pi board not included

The ModMyPi PiOT (Pi of Things) relay board is smart! Not quite Skynet smart, so you can tell John Connor to stay at home and play with his Raspberry Pi. But it's much smarter than your average relay board! We've created a Raspberry Pi Relay Board that does away with the complicated wiring and fiddly jumper configuration of your standard relay board, and bundles that control into an on-board PIC, making configuration faster, easier and safer. The PiOT relay board can be connected directly on top of the Pi, or via a GPIO ribbon cable (not included), and also features mounting points for the Raspberry Pi Zero. Each is board is fully assembled, and ready to plug and play! We also stock cases for the Raspberry Pi B+/2/3 & Raspberry Pi Zero.

The PiOT relay board allows you to bond a GPIO pin to a relay with the touch of a button. No need to tie pins using resistors, and no need to re-wire the circuit when you want to change which GPIO pin fires which relay. Simply select your GPIO pin using the on-board tactile buttons and two-digit 7-segment display, and switch that pin high or low to fire your designated relay!

The on-board display can be configured to show the Pi's BCM or Pin number system for GPIO/relay bonding, and also demonstrates visual feedback of the relay on/off status for easy monitoring. The display can also be used to test relays before configuring them with your Pi, in addition to providing menu access for setting configuration.

The PiOT relay board also features multiple innovative start-up modes designed to combat "chatter" on the GPIO which can lead to unexpected behavior. Variable delayed start-up allows users to pause activation of the relays for a short period during boot, ensuring that GPIO pins are correctly set prior to use, or the alternative handshake mode utilises a specific pulse train to enable activation and de-activation of the relay board at the user's will. No more accidental switching of relays at boot!

The PiOT relay board uses low current (~100mA) PWM (pulse width modulation) to significantly reduce the current required to hold the relays on when compared to other relay boards. This means that relay boards can be stacked up to 5 high without requiring additional external power.

Warning! Relays can be used to switch large voltages and currents. Please, please, please be careful when undertaking any work with this type of power - it can kill!

The ModMyPi PiOT Relay Board Features:

  • 4 x OMRON G5LA-1 Relays for Switching up to 10A @ 250VAC, or 10A @ 24VDC
  • 4 x Tactile Buttons for GPIO/Relay Bonding
  • Two-Digit 7 Segment Display for Visual Feedback & Setting Control
  • Micro-controlled GPIO/Relay Setting & Switching (No Jumpers Required!)
  • 40 Point Raspberry Pi GPIO Modelled Input
  • 5V & 3.3V Input Compatible
  • Low Holding Current via PWM ~ 100mA per Relay Board
  • Stackable Relay Board (Up to 5 Without External Power)
  • Multiple Start-Up Modes to Negate Boot GPIO Chatter (Delayed/Handshake)
  • Pi Zero Mounting Points

Tutorials

ModMyPi PiOT Relay Board Wiki

Example Code

Downloads

OMRON G5LA-1 Datasheet

45K22 PIC Datasheet

Video

Review and Introduction by Garage Tech Tips:

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The PiOT relay board allows you to bond a GPIO pin to a relay with the touch of a button.
R516.87  Inc VAT
Unicorn HAT (3B4 Unicorn HAT)

What's going to protect your beloved Raspberry Pi from an onslaught of rainbow-coloured fusion? That's right, it's Unicorn HAT.

Sporting a matrix of 64 (8 x 8) RGB LEDs and powered directly from the Pi, this is the most compact pocket aurora available.

Unicorn HAT provides a wash of controllable colour that is ideal for mood-lighting, 8x8 pixel art, persistence of vision effects, status indications, or just blasting colour into your surroundings.

The MagPi said that Unicorn HAT was "one of the coolest HATs around"

Features

  • 64 RGB LEDs (WS2812B)
  • LED data driven via DMA over PWM
  • Unicorn HAT pinout
  • Compatible with Raspberry Pi 3, 2, B+, A+, Zero, and Zero W
  • Python library
  • Comes fully assembled

Software

We've put together a Unicorn HAT Python library to make it a breeze to use, including lots of beautiful examples of what it can do.

Notes

  • Warning: WS2812 LEDs are bright enough to cause eye pain, do not look at them directly when brightly lit. We recommend the use of a diffuser.
  • Photo-sensitivity warning: flashing, strobing, and patterns of lights may cause epileptic seizures. Always take care and immediately stop using if you feel unwell (dizziness, nausea, affected vision, eye twitching, disorientation).
  • Power: Unicorn HAT requires a >2A microUSB power supply for your Pi. We recommend the official Raspberry Pi power supply.
  • Compatibility (audio): as Unicorn HAT uses PWM and GPIO18, it will interfere with analogue audio playback (random colour patterns and flickering). HDMI should work just fine!

Short video on the Unicorn HAT

Tutorials & Projects

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