Generic2
Specifications
- Double H bridge drive
- Chip: L298N (ST NEW)
- Logical voltage: 5V
- Drive voltage: 5V-12V
- 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-12v, 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
What's in the box?
1 x L298N Module
Resources
- Robotic control with python
- L298 Datasheet
- Check out tutorial from instructables
The sensor is supplied pre-wired with flying output leads.
Float switch is a used to sense the level of liquid within a tank, used to activate a pump, an indicator, an alarm or other device.
Use them with hydroponics, saltwater tanks, freshwater tanks, gardening, aquariums for power head control, pet bowls, fish tanks, filtration, heating, or what ever your project may be
Contains no mercury
Down float switch
Specifications
- Maximum Load: 50 W
- Max Switching Voltage: 100V DC
- Minimum Voltage: 250V DC
- Maximum Switching Current: 0.5 A
- Max Load Current: 1.0 A
- Max Contact Resistance: 0.4 Ω
- Temp Rating: -20~ 80℃
- Net Weight: 12g
- Material: PP
What's in the box?
1 x Liquid Float Switch
Resources

Python library
Introduction to Buttons and Switches
Types of buttons and switches
RC522 chip
MF RC522 is applied to the highly integrated read and write 13.56MHz contactless communication card chip, NXP launched by the company for the "table" application of a low-voltage, low-cost, small size of the non-contact card chip to read and write, smart meters and portable handheld devices developed better choice. The MF RC522 use of advanced modulation and demodulation concept completely integrated in all types of 13.56MHz passive contactless communication methods and protocols. 14443A compatible transponder signals. The digital part of to handle the ISO14443A frames and error detection. In addition, support rapid CRYPTO1 encryption algorithm, terminology validation MIFARE products. MFRC522 support MIFARE series of high-speed non-contact communication, two-way data transmission rate up to 424kbit/s. As new members of the 13.56MHz reader card series of highly integrated chip family, MF RC522 MF RC500 MF RC530 There are a lot of similarities, but also have many of the characteristics and differences. Communication between it and the host SPI mode helps to reduce the connection narrow PCB board volume, reduce costs.
RFID module
The MF522-AN module uses the the original Philips MFRC522 chip design circuit card reader, easy to use, low cost, and applies to the user equipment development, the reader and the development of advanced applications, the need for the user RF card terminal design/production. This module can be directly loaded into the various reader molds. Utilizes a voltage of 3.3V, through the SPI interface simple few lines directly with any user CPU motherboard connected communication can ensure that the module is stable and reliable work, distance card reader
Specifications
Electrical parameters
- Operating current :13-26mA/DC 3.3V
- Idle current :10-13mA/DC 3.3V
- Sleep current: <80uA
- Peak current: <30mA
- Operating Frequency: 13.56MHz
- Supported card types: mifare1 S50, mifare1 S70 MIFARE Ultralight, mifare
- Pro, MIFARE DESFire
- Product physical characteristics: size: 40mm×60mm
- Environmental Operating temperature: -20 to 80°C
- Environmental Storage Temperature: -40 to 85°C
- Relative humidity: relative humidity 5%-95%
Module interfaces SPI Parameter:
Data transfer rate: maximum 10Mbit/s
What's in the box?
1 x RFID-RC522 module
1 x Standard S50 blank card (Non-contact IC card)
1 x S50 special-shaped card (key ring shape)
1 x Straight and 1 x angled male to male header(Soldering required)
Resources
Setup guide
- Model Number: blank card
- Material: PV
- Colour: blank white
- Size: 85.6mm X 54mm
- Thickness: 0.8mm
- Printing: offset printing
- Chip: 1k S50
- Certification: CE,FCC
- Frequency: 13.56MHz
- Protocol standard: 14443a
- Memory: 8kbits
What's in the box?
1 x RFID Smart Card
RFID is an acronym for “radio-frequency identification” and refers to a technology whereby digital data encoded in RFID tags or smart labels
Features
- Small and durable
- Waterproof, shockproof, anti-corrosive.
- Keyring for easy carrying.
- Not re-programmable
Specifications
- Main Chip : Fudan F08 compatible S50
- Colour : Blue,Yellow, Black, Green, Red
- Size : Approx. 40.5×32×4.2mm
- Operating Frequency : 13.56 MHz
- Communication speed : 106K Boud
- Read distance : 2.5 ~ 10cm
- Read time : 1 ~ 2ms
- Operating Temperature : -20 ℃ ~ 85 ℃
- Endurance :> 100,000 times
- Storage capacity : 8Kbit, 16 partitions, each partition with 2 group passwords
Typical applications
Enterprise / campus access cards, parking, district management,attendance systems, patrol systems, enterprise systems, access control systems, radio frequency identification field etc.
What's in the box?
1 x 13.56MHz RFID Keyfob
Please note: The board colour may vary from the pic. (Green or Blue)
Standard Prototype PCB is great for prototyping and building circuits but it can be time consuming to use with components with certain pin configurations such as IC's.
These boards are especially useful for preserving a prototype or experiment you just created on a solderless breadboard by soldering all the pieces in place.
- Grid : 0.1" (2.54mm)
- Thickness : 1.6mm(5pcs)
- Hole diameter : about 1mm
- Material : FR-4 (glass fiber)
- All holes are plated through
- Both sides are identical
Resources
Introduction to soldering
Video: How to solder properly
The secrets to good soldering
2 pin through hole rectifier diodes used for electronic projects, hobbies and repairs. Used in radios, power supplies and other devices.
- Wattage: 1W
- Diode/rectifier type: DO-41
- RoHS: Yes
- Standard Recovery Power Rectifier
- Repetitive Reverse Voltage Max, Vrrm: 50V
- Forward Current Avg Rectified, IF(AV): 1A
- Forward Surge Current Max, Ifsm: 30A
- Forward Voltage Max, VF: 1.1V
- Current Rating: 1A
- Mode: IN5822, IN5408, IN5399, FR207, FR107, IN5819, IN4007, IN4148
Resources
Intoduction
Basics, Types, Characteristics, Applications & Packages
Please note: Screws are not included
This handy USB extension cable will make it easy for you to enclose a device that has a A type (USB host) port. It's short (25cm), so perfect for mounting your Raspberry Pi, Beagle Bone, Arduino etc. into a box!
The jack half has two mounting 'ears' with M3 screws installed, 8mm apart. The ears are flexible so the holes don't have to be drilled very precisely.
Features
- Length between connectors: 25cm
- Colour: Black
- 28AWG
- USB A Male to Panel Mount USB A Female
- M3 Mounting Ears
What's in the box?
1 x USB A Male to Panel Mount USB A Female
- 40pcs chromatic male to male color jumpers
- 40pcs chromatic color female to female jumpers
- 40pcs chromatic male to female color jumpers
- Durable and reusable
- Easy to use
- A popular choice for constructing electronic projects
- Use for electronic projects as including Raspberry Pi and Arduino projects
Specifications
- Length:10cm
- Compatible with 2.54mm spacing pin headers and breadboards
What's in the box?
1 x ribbon of 40pcs male to male jumpers
1 x ribbon of 40pcs female to female jumpers
1 x ribbon of 40pcs male to female jumpers
It has a recommended operating voltage of 1.5 V to 3 V, but it can operate at higher voltages to provide more power in exchange for longevity of the motor.
Approximate specifications at 3 V: free-run speed of 20,000 RPM, free-run current of 350 mA, stall current of 4 A, stall torque of 55 gf-cm (0.75 oz-in).
Specifications
- Motor size: 38x20x15mm
- Shaft diameter: 2mm
- Axial length: 9mm
- Voltage: 3-6V
Resources
Getting started with Raspberry Pi gpiozeroMotors
Controlling DC Motors Using Python With a Raspberry Pi
It is very useful in high-reduction drives in the occasion that need to improve the wrap-around capabilities of belts. Widely used in milling machine, gear shaper, drilling machine, CNC engine lathe, hobbing machine or other machinery transmission occasions.
A binding post is a connector commonly used on electronic test equipment to terminate (attach) a single wire or test lead. They are also found on loudspeakers and audio amplifiers as well as other electrical equipment.
Features
- Type : Banana plug or lug
- Solid hard plastic shell
- Quantity : 4pcs ( 2 x red and 2 x black )
- Easy installation with screws and nuts
- Suitable for : 4mm banana plugs, lugs or bare wire
What's in the box?
2 x red binding posts
2 x black binding posts
Features
- Size: 3.5 x 1cm
- Power supply: 5V DC
- Detector distance: 10mm
- Build-in Tcrt5000 Sensor NSOR
- Applicable to a variety of platforms including Arduino / AVR / ARM /PIC
What's in the box?
1 x Tracking Sensor Module
Resources
Build A Line-following robot
No soldering required, Reusable for prototyping or design applications of electronic circuits, modify or revise the circuits easily.
Accept resistors,transistors, diodes, LEDS, capacitors and other types of electronic components.
An invaluable tool for experimenting with circuit designs.
Directional movements are simply two potentiometers - one for each axis
Compatible with Arduino interface
Specifications
- Three axis (X,Y,Z and button)
- Size:37x25x32mm
- Weight: 15 g
- Tie-point 700
- ABS plastic material
- Completely reusable
- Phosphor bronze nickel plated spring clips
- Accepts a variety of wire sizes(29-20 AWG)
What's in the box?
1 x PS2 joystick module
Resources
Getting started
This battery box is designed for use as a nice switchable, portable power pack, and fits any four alkaline or rechargeable AA batteries in series. The body is moulded in black ABS Resin and has a slide on detachable lid which can be locked for extra security through use of a small provided screw. It even includes a very useful miniature on-off slide switch which is very handy for wiring to projects that don't have a switch! Connection is via two flexible stranded red (positive) & black (negative) 26AWG wire leads, which are approximately 150mm in length.
- Battery Cell Size AA
- Number of Cells 4
- Body Material ABS Resin
- Height 19.0 mm, Length 69.0 mm, Width 64.5 mm
- Terminal Type Wire Lead
- Type Battery Box
- Weight 0.03300 kg
What's in the box?
1 x switched battery box
Need batteries? You will find our battery selection here
Description:
The timing belt originally comes from the automotive sector. Later developments of belt shapes resulted from the use of timing belts in scanners. Today, the 3D printer sector is able to benefit particularly from these developments. Toothed belt drives are a very common drive element for positioning in the 3D printer industry due to their high positioning accuracy and the small installation space required. Additional advantages include their low maintenance requirements and long service life.
Specifications:
Teeth: 36 (T)
Pitch: 2 (mm)
Bore: Dia.5 (mm)
Material: Aluminum Alloy
Belt Width: 6 (mm)
Package includes:
1 x GT2 Aluminum timing belt pulley
The universal Ball Bearings is great for you to replace the damaged Ball Bearings in your devices to improve efficiency and save energy.
Widely used in home appliances, industrial, low noise and high speed electric motors, construction machinery, automotive components, pumps, and machinery. Smooth moving, low friction, high rigidity and long life. Economical, easy to maintain replace.
Specifications :
Model : SC8UU
Material : Steel, Aluminum
Size : Approx. 34 x 30 x 22cm / 1.34 x 1.18 x 0.87"
Inner Diameter : Approx. 8mm / 0.31"
Package included :
1x SC8UU Linear Motion Ball Bearing
6pcs 1/2 Inch Shaft Round Over Edging Router Bit
Specifications:
Name :1/2" Round Over Router Bits
| Size | Cutter Diameter | Total length |
| 1/2" R | 1.25’’ | 2.40’’ |
| 7/16R | 1.12’’ | 2.31’’ |
| 3/8" R | 1.01’’ | 2.31’’ |
| 5/16" R | 0.99’’ | 2.24’’ |
| 1/4" R | 0.88’’ | 2.04’’ |
| 1/8" R | 0.77’’ | 2.04’’ |
-Great for combined plunge-cutting and pattern/template routing.
6 x 1/2" Round Over Router Bit
Dual signal output (analog output, and TTL level output);
TTL output valid signal is low, can be connected directly to the microcontroller;
0 ~ 5V analog output voltage, the higher the concentration the higher the voltage;
Has a high sensitivity and good selectivity to ethanol vapor;
Has a long life and reliable stability;
Rapid response recovery characteristics;
Features
- The main chip: LM393, MQ-3 gas sensor
- Operating voltage: DC3-5V
- Response time: ≤10s
(70% Response) - Recovery time: ≤30s
(70% Response) - Heating resistance: 31Ω±3Ω
- Heating Current: ≤180mA
- Heating Voltage: 5V±0.2V
- Heating Power: ≤900mW
- Detect Voltage: ≤15V
- Ambient Temperature: -10℃ to 65℃,
- Humidity: ≤95%RH
- Storage conditions: Temperature:-20℃-70℃,Humidity:≤ 70%RH
Applications
For motor vehicle drivers and other non-drinking and operating personnel on-site testing, also used in other places of ethanol vapor detection, detection of alcohol: detection range of 10 to 1000ppm
What's in the box?
1 X Alcohol sensor module
Resources
Analog to Digital converter not included
Wiki
Give your next microcontroler project a nose for gasses with the MQ2 Gas Sensor Module. This is a robust Gas sensor suitable for sensing LPG, Smoke, Alcohol, Propane, Hydrogen, Methane and Carbon Monoxide concentrations in the air. If you are planning on creating an indoor air quality monitoring system; breath checker or early fire detection system, MQ2 Gas Sensor Module is a great choice.
Features
- Using high-quality dual-panel design, with power indicator and TTL signal output instructions
- There are four screw holes for easy positioning
- Analog output voltage with the higher concentration of higher voltage
- TTL output valid signal is low. (Low-level signal when the output light can be directly connected to the microcontroller or relay module)
- The switching signal having a DO (TTL) output and analog output AO
Special note
After the sensor is powered, wait about 20S until measured data becomes stable.
Heat in the sensor is a normal phenomenon due to the internal heating wire.
Specifications
- Size: 32mmX22mmX27mm
- Chip: LM393, ZYMQ-2 gas sensors
- Working voltage: DC 5V
- AO output :0.1-0 .3 V (relative to pollution), the maximum concentration of a voltage of about 4V
- DO output: TTL digital 0 and 1 (0.1 and 5V)
- Input voltage: DC 5V 150mA
What's in the box?
1 x MQ-2 Gas Sensor Module
Resources
Getting started with MQ-x
Analog to Digital converter not included