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Supersized(10mm) for high visibility in your project.
R17.90  Inc VAT
R167.91  Inc VAT
R219.90
Designed with learning in mind
R89.90  Inc VAT
R24.90  Inc VAT
MAX7219 Dot Matrix MCU LED Display Control Module Kit (MAX7219 soldered matrix display single)

Description:

The MAX7219 are compact, serial input/output common-cathode display drivers that interface microprocessors to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs. Included on-chip are a BCD code-B decoder, multiplex scan circuitry, segment and digit drivers, and an 8x8 static RAM that stores each digit. Only one external resistor is required to set the segment current for all LEDs. 



Specifications:

1 single module can drive an 8 * 8 dot matrix common cathode
Module Operating voltage: 5 v
Module dimensions: length 32 mm X 32 mm wide X 13 mm high
4 mounting holes : diameter of 3 mm
Support for cascading multiple modules

Wiring instructions:

VCC: 5 v
GND: GND
DIN: P2.2
CS: P2.1
CLK: P2.0


Package includes:

1 x LED module
R37.90  Inc VAT
10mm F10 Red Yellow Blue Green White Diffused Bright 5K MCD LED Diode (10) (mixed Big LED 10x10mm)
Features:
 
Great for electronic projects and kits.
Perfect use for home, office and industry electrical equipment and electrical appliances
Size: 10mm
Voltage:1.8V ~ 2.2V for Red, Yellow 
               3.0V ~ 3.4V for Blue, Green and White
Current: 20 mA
Luminous Intensity: 5000 MCD
Color: RED, BLUE, YELLOW, GREEN, WHITE
Lens Color : Diffused
Total Quantity: 10pcs (2pcs of each colour)

10Pcs Five Colors 10mm Round Bright Light LED Assortment Kit
ColorSizeCurrent(mA)Lens ColorQuantity
Red10mm20red2Pcs
White10mm20white2Pcs
Yellow10mm20yellow2Pcs
Green10mm20green2Pcs
Blue10mm20blue2Pcs
 
 
Package includes:
 
10 x 10mm LED (Assorted Kit)

Resources:
Python library
Introduction
Supersized(10mm) for high visibility in your project.
R17.90  Inc VAT
Resistors (3.3K Ohm 5%) (10 pack) (Resistor 3.3K)
Pic is for illustration purposes only
Description:

These are carbon film axial leaded through hole type and can handle up to 1/4W of power.  1/4W resistors are the most commonly used size for breadboarding, electronics and most common types of hobby projects.

Specifications:

  • Power:  up to 1/4W
  • Material:  carbon film 
  • Lead diameter:  0.55 mm
  • Tolerance : 5%
  • Operating Temp :  -55C – 155C

What's in the box:

10 x 3.3K ohm resistors

Resources:

Resistors basics
Types of Resistors
Resistor colour codes
R4.90  Inc VAT
LED Traffic Light Building Block Board 5V (traffic light 5V Arduino)
Description:

Great beginning point to get started with LEDs, and speaking to the outside world with electronics

Features:
 
Size: 56mm x 21mm x 11mm
Fixing hole: 3mm
Pitch: 15mm
Color: red yellow green
LED: 5mm x 3
Brightness: Normal brightness
Voltage: 5V
Input: Digital level
Interface: common cathode, red, yellow and green separate control
Platform: Arduino, microcontroller
 
Package includes:
 
1 x LED Traffic Light Module

Resources:

Read the Docs
R26.90  Inc VAT
6V/12V 10A Solar PWM Charge Regulator With Intelligent LED Indicator (mini solar charge controller)
Description:


A PWM (pulse width modulation) controller can be thought of as an (electronic) switch between the solar panels and the battery: The switch is ON when the charger mode is in bulk charge mode. The switch is “flicked” ON and OFF as needed (pulse width modulated) to hold the battery voltage at the absorption voltage.

A great charge control module for smaller sized solar projects

Features:

PWM controller,Long standby time
Three stage charging can effectively improve battery life.
Easy installation and easy operation
LED indicator, battery power display
Manual adjustable discharge mode


Specifications:

Charging mode: PWM
System current:5A/10A
Voltage:6V/12V
Interior input power:≤30W/≤60W
Overload, short circuit protection: 1.5 times rated current, five minutes off;Five minutes to recover
Rated voltage no-load current:≤6mA


Package includes:

1x Solar controller
1x User manual
R239.90  Inc VAT
Geekcreit® Assembled Aluminum Heating Block Extruder Hot End For 3D Printer 1.75mm MK8 0.4mm Nozzle (1.75mm block extruder hot end)
Description:

The 3d printer hotend’s heater block undergoes a massive amount of stresses: thermal stress from the heater, pressure stress from the extruder and tension stress from the nozzle.

This kit makes it easier to replace the heatblock with the cartridge, thermister and nozzle of most Reprap type 3D printers.

Specifications:

Material: Aluminum & Stainless Steel & Brass
Installation type: External thread connection
Scope of application: 3D printer
Nozzle size: 0.4mm
Throat pipe length: 30mm
Aluminum block size: 20 mm x 20 mm x 10 mm
Operating temperature range: -40°C to 260°C (-40°F to 500 °F)
Thermistor and heater cable length: 1M

Features:

Tip of the nozzle, aluminum heating block, Throat pipe (built-in Teflon).
MK8 Extruder Hot End kit, white wire is temperature thermistor, red wire is heating tube 12V40W.

Package included:

1 x Aluminum block
1 x Heating tube (heating tube 1 m long, 12V 40W)
1 x 1.75MM 0.4MM Brass Nozzle
1 x M6 x 30mm Throat pipe (built-in Teflon)
1 x Thermistor Brass sleeve (1 meter long)
R169.90  Inc VAT
12V Alarm Red security Flashing Light (red flash light alarm)
Description:

Small red security alarm signal emergency warning strobe light excluding the mounting bracket. It can be used for anti-burglary alarm signal indication, entrance and construction site warning lights and other similar applications.

Specification:

Rated voltage: 12V DC
Rated current: 120mA
Strobe rate: 90s / minute
Diameter: 7.2cm
Height: 4cm
Lamp cover color: red

Features:

Led strobe flashing light
Suitable for security, status etc...
Also ideal for construction site as a warning light

Note:

This product only has a flashing light, no sound.

Package includes:

1 x Alarm Signal Lamp
2 x Bases
4 x Screws
R209.90  Inc VAT
12V 7Ah Sealed Lead Acid Battery (12V 7Ah lead/Acid Batt)
Description:

12 Volt 7Ah Lead Acid Battery

Ideal for robotics and hobby related projects.

Specifications:

Housing size: 150mm x 65mm x 100mm
Weight 1982mg

What's in the box?

1 x Lead cell battery
R219.90  Inc VAT
White – Scroll pHAT HD (HD scroll phat white)
Description:

A whole heap of LED pixels with individual brightness control, for scrolling messages, animations, and more - Scroll pHAT HD!

Scroll pHAT HD packs 17x7 pixels (119 total) onto a single pHAT, and gives you full PWM brightness control over each pixel. Create beautiful animations and even anti-aliased text by taking advantage of the per-pixel brightness.

Now also available in beautiful coloured versions: red, orange, yellow, green, blue, and pink!

Use Scroll pHAT HD as a scrolling message display for your tweets, the weather or the news, or use it as a 17-band spectrum analyser for your audio. There's even enough pixels for simple games like Tetris, Pong, or snake.

Features

  • 17x7 matrix of bright white, or coloured, pixels (119 total)
  • Individual PWM brightness control of each pixel
  • Uses the IS31FL3731 LED matrix driver chip
  • Scroll pHAT HD pinout
  • Compatible with Raspberry Pi 3B , 3, 2, B , A , Zero, and Zero W
  • Python library
  • Female header requires soldering

Software

Our handy one-line installer will install the Scroll pHAT HD Python library for you. We've included a bunch of examples too, to show off what you can do with Scroll pHAT HD.

Our software does not support Raspbian Wheezy.

R167.91  Inc VAT
R219.90
Portable LED tester 2-150mA (LED tester)
Description:
 
Handy device for testing LED's. Simply plug your LED into the correct holes (all of which are marked) and push the button to see its brightness, illuminant color, etc.
Handy device for testing LED's (2-150mA)

The top row is for 2 pin LED's with currents ranging from 2mA - 30mA
The bottom row is for 4 pin LED's (piranha LED's) with currents ranging from 20mA - 150mA
 
Specifications:

Material: Plastic
Color: White
Lightweight & compact
Powered by a 9V battery (not included)

What's in the box?

1 x LED tester
Item size(L*W*H) : Approx. 80mm x 55mm x 22mm
Quantity: 1PC
R69.90  Inc VAT
HT16K33 LED Dot Matrix Drive Control Module Digital Tube Driver Development Board (HT16K33 LED Dot Matrix Driver)
Description:

The HT16K33 is a memory mapping and multi-function LED controller driver. The max. Display segment numbers in the device is 128 patterns (16 segments and 8 commons) with a 13*3 (MAX.) matrix key scan circuit. The software configuration features of the HT16K33 makes it suitable for multiple LED applications including LED modules and display subsystems. The HT16K33 is compatible with most microcontrollers and communicates via a two-line bidirectional I2C-bus.

Features:

Operating voltage: 4.5V~5.5V.
Integrated RC oscillator.
I2C-bus interface.
16*8 bits RAM for display data storage.
Max. 16 x 8 patterns, 16 segments and 8 commons.
R/W address auto increment.
Max. 13 x 3 matrix key scanning.
16-step dimming circuit.
Selection of 20/24/28-pin SOP package types.


Applications:

Industrial control indicators.
Digital clocks, thermometers, counters, multi meters.
Combo sets.
VCR sets.
Instrumentation readouts.
Other consumer applications.
LED Displays.


Package included:

1 x Module

Getting Started

R57.40  Inc VAT
R79.90
Pi Stop - Traffic Light Add-on for Raspberry Pi (GPIO 3.3V stand traffic light)
Description:

The Pi-Stop is a low cost hardware module designed to allow Raspberry Pi users to take their first steps into interfacing with the real world.

Designed with the learning in mind, everyone will recognise and identify its familiar elements encouraging their use along-side their own projects.

Move past the Stop light

The Pi-Stop is designed to remove many of the common hurdles people are faced with when getting started using hardware with the Raspberry Pi. Often it is difficult to know what components to use and how to connect them, the Pi-Stop makes it simple by plugging directly onto pre-set positions on the Raspberry GPIO connector.

By plugging the Pi-Stop directly on to the Raspberry Pi GPIO header, no extra cables or wires are needed. Unlike many other add-on boards, they do not block unused GPIO pins, keeping them open for other uses. The Pi-Stop can be fitted in 4 standard locations, allowing up to four Pi-Stops to be controlled independently or combined with other hardware.

Prepare to go!

The Pi-Stop provides a simple stepping stone, between pure screen based programming and using physical hardware to interact with the real world. Components like the Pi-Stop will provide a flexible and non-restrictive way to build understanding through experimenting.

Since it is only a step away from a bag of components, it also allows the programming of hardware to be introduced, and the electronics involved can be introduced separately, if desired. Allowing the pupils to discover they can control real things, and then again to discover they can also build their own circuits and control them in exactly the same way.

Often, people are faced with a magic board which they plug in and tell it to do stuff, however it isn't always clear to them why or how it does it. By providing something which they can remove and replace with something (apparently) completely different (- wires, breadboards and LEDs) they will be able to understand the link.

By keeping the hardware very simple, it allows better understanding of what is happening, and allows space to come up with your own projects and apply the concepts with your own ideas in mind.

GO Full throttle

The documentation and guides are openly available for the Pi-Stop for educational use. There will be guides, tutorials and workshop material available all of which can be taken as is[available as PDF format] or adapted to your own needs [available in markdown format].

It is encouraged that similar materials can be submitted back for others also to share and make use of.

The materials will demonstrate the concepts, methods and provide the building blocks to explore ideas and take learning further by with creative projects, activities and games.

Pi-Stop Documentation

The following material is available (in both PDF and markdown format):

Designed with learning in mind
R89.90  Inc VAT
Yellow blue double colour 128X64 OLED LCD Display Module For Arduino 0.96" I2C IIC SPI Serial (OLED display)
Description

OLED displays driven by SSD1306 driver IC. SSD1306 is a CMOS OLED driver with controller for OLED dot-matrix graphic display system.
This is a popular OLED display with Portable and wearable devices becoming the new trends. 

Specifications:

Driver: SSD1306
Interface type: IIC interface
Pin definition: GND, VCC, SCL, SDA
        1:GND(OLED power supply)
         2:VCC (OLED 3.3~5V)
         3:SCL(OLED IIC Clock line)
         4:SDA(OLED IIC Cable)


What's in the box?:

1 x OLED display

Resources:

We used these instructions to get it working on Pi: https://circuitdigest.com/microcontroller-projects/ssd1306-oled-display-with-raspberry-pi
R64.90  Inc VAT
Automatic DC 5V-30V 10A Infrared PIR Motion Sensor Switch For LED Light Strip (black pir switch DC)

Description:

Great for small 12 volt DC solar panel LED Lighting systems to conserve battery power; also well suited for occupancy LED lighting control and security LED Lighting systems

Specifications:

  • Influence control: Light Infrared PIR
  • Two light modes: all day/at night(Auto switching on when detecting people coming.)
  • Super energy saving, super sensitivity within 7 meter distance.
  • Built in light sensor which can identity day and night by itself,
  • Sensor sensitivity distance: ≥7m
  • Sensor sensitivity angle: 145°
  • Load current:10A
  • Working voltage:DC 5V-30V
  • Delay time: If people leave, light will delay 30s-150s(Adjustable) to turn off
  • Certificate: CE
  • Suitable for use in homes, wardrobes, kitchens, stairs, camping tents...
  • Size:50mm x 43mm x 20mm(approx)
  • 5.5 x 2.1mm male to male cable length:1M(approx)
  • 5.5 x 2.1mm male to female cable length:1M(aprpox)
  • Color:Black
Package includes:
  • 1 x PIR sensor
  • 1 x 5.5 x 2.1mm male to male cable
  • 1 x 5.5 x 2.1mm male to female cable
R249.90  Inc VAT
R249.90
DC 0-100V 10A Digital Voltmeter Ammeter Dual Display Gauge 0.28" Red Blue LED (volt/amp meter 10A)
Description:

This is a Panel Meter that measures Voltages and Current. The display can measure voltages from 0v to 100v dc and measure current from 0 to 10 Amps. The display has 3 segments and can simultaneously calculate the power consumption in watts.



Specifications:

  • Voltage 0.0V to 100V
  • Current 0A to 10A
  • Working voltage DC 4 to 30V
  • Working current <20mA
  • Size 48mm x 29mm x 22mm

R74.90  Inc VAT
100K ohm 100cm NTC Thermistors with cable for Reprap Mend glass sealed thermistor 3950 Resistant hotend sensor (thermistor cable)
Description

(1) Electrical characteristics
A: Resistance value: R(25°C)=100K±1%
B: B Value: B=3950±1% (calculated from resistance value at 25°C and 50C)
C: Insulation resistance 50MΩ or over by DC500V megger (between glass and lead wire)
(2) Thermal time constant (τ): τ≤10~17s (in still air)
(3) Thermal dissipation constant (δ): δ=1.1~1.6mW/°C (in still air)
(4) Operating temperature range:-50~+260°C
 
Package Includes:
1 x  NTC Thermistor with cable
R42.90  Inc VAT
10pcs LilyPad LED Modules (wearable led's(10))
Description:

This is a simple pack of five White LilyPad LEDs that are still attached to one another, letting you snap the LEDs apart at your leisure to sew into clothing or whatever else you can dream up.

Each LilyPad piece was creatively designed with large sew tabs to allow them to be sewn into fabric. Various input, output, power and sensor boards are available.

They're even washable (with special care)!

Specifications:

  • Operating voltage: 3-5V
  • Operating current: 40MA
  • Weight: 1g (5 by one weight)
  • Size: 12.7 mm x 5.2mm x 2.2mm


Package Includes:

10 X LilyPad Led Module

Documents:

R24.90  Inc VAT
Tri-Colour RGB LilyPad LED Module wearable (wearable RGB module)
Description:

Blink any colour you need!

Use the Tri-Colour LED board as a simple indicator, or by pulsing the red, green, and blue channels, you can create any colour. Very bright output.

This is a common anode(positive) design - to turn on a channel you simply need to ground one of the R/G/B pins to illuminate that channel.

LilyPad is a wearable technology developed by Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad was creatively designed to have large connecting pads to allow them to be sewn into clothing. Various input, output, power, and sensor boards are available. They're even washable!

Package Includes:

1 x Lilypad common anode RGB module

Getting started with lillypad tri-color LED
R15.90  Inc VAT
DC 5V WCS1800 Hall Current Detection Sensor Module 35A Precise With Overcurrent Signal LED (WCS1800 Hall Current)
Description:

The WCS1800 Hall Current sensor has two functions

  • current detection
  • over current protection (can be preset from 0.5A to 35.0A)

Features:

Operating voltage: DC 5V
Current detection range: DC +-35A, AC 25A
Linearity: K=60mV/A
Limit current range: 0.5A to 35A(for on/off value output)
Over current signal indicator LED
Sampling current conversion analog voltage signal output and it can connect ADC; TTL level signal output and it can connect MCU IO port control
Board size 37mm x 31mm
Working temperature: 25 to 85C

Interface



VCC: power positive
DOUT: TLL high/low level signal output
GND: power negative
AOUT: sampling current signal conversion voltage output port

Analog voltage signal output (AOUT)

Relationship between detection current and analog signal output is shown below:

Analog signal output: V0=Vcc*0.5±la*K (la is actual current through current detection pin, and K is linearity)

Eg: Input current is 1A, Vcc=5V and WS1800 linearity is 60mV/A
  1. When the current flows in from positive direction: V0=Vcc*0.5+la*K, V0=(2.5+0.06)V=2.56V
  2. When the current flows in from negative direction: V0=Vcc*0.5-la*K, V0=(2.5-0.06)V=2.44V
  3. If it is an AC signal: V0=Vcc*0.5+la*K, V0=(2.5+0.06)V=2.56V

The above are ideal values. There might be some precision errors.

On/Off output(DOUT)

  1. Make sure the current flows in from the positive direction. Adjust to the desired current warning level.
  2. LED will be on when current is below the setting and DOUT will be low.
  3. When the detected current is higher than your setting, the LED will turn off and the DOUT pin will go high.

Package Includes:

1 x WCS1800 Hall current detection sensor
R219.90  Inc VAT
Adafruit Monochrome 0.96" 128x64 OLED graphic display (Ada OLED 0.96 display)
Cables not included

Description:

These displays are small, only about 1" diameter, but very readable due to the high contrast of an OLED display.

This display is made of 128x64 individual white OLED pixels, each one is turned on or off by the controller chip. Because the display makes its own light, no backlight is required. This reduces the power required to run the OLED and is why the display has such high contrast; we really like this miniature display for its crispness!

This breakout can be used with either an SPI or I2C interface - selectable by soldering two jumpers on the back. The design is completely 5V-ready, with an onboard regulator and built in boost converter. It's easier than ever to connect directly to your 3V or 5V microcontroller without needing any kind of level shifter!

TheRaspberryPiGuy has done an *excellent* video on getting this display running with your Pi.

Guy Carpenter has a guide for using OLEDs like this one with the Raspberry Pi it's well worth a read!

Using this display with a Raspberry Pi? Check out Adafruit's SSD1306 OLED display guide.

Adafruit have provided a detailed tutorial and example code in the form of an Arduino library for text and graphics. You'll need a microcontroller with more than 1K of RAM since the display must be buffered.

On the Raspberry Pi, Adafruit now have a Python library available that works with these displays in both i2c and SPI mode.

You can download the Adafruit SSD1306 OLED display Arduino library from github which comes with example code. The library can print text, bitmaps, pixels, rectangles, circles and lines. It uses 1K of RAM since it needs to buffer the entire display but its very fast! The code is simple to adapt to any other microcontroller.

TECHNICAL DETAILS

Dimensions:

  • PCB: 38mm x 29mm (1.5" x 1")
  • Screen: 25mm x 14mm
  • Thickness: 4mm
  • Weight: 8.5g
  • Display current draw is completely dependent on your usage: each OLED LED draws current when on so the more pixels you have lit, the more current is used. They tend to draw ~20mA or so in practice but for precise numbers you must measure the current in your usage circuit.
  • This board/chip uses I2C 7-bit address between 0x3C-0x3D, selectable with jumpers

Netduino driver, Netduino sample and documentation. This sample displays bitmaps and animations on the display.

R321.34  Inc VAT
R369.90
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