whadda  (343 offers of 2,479,181 product items)

Assemble and play this all-time favourite and addictive tennis game kit. Now upgraded with VGA colour output, on board buzzer or line out and option for external power supply. Each player has his/h...

The WPSE346 / GP2Y1010AU0F dust sensor uses an optical sensing method and has a diagonally arranged infrared emitting diode (IRED) and phototransistor. It detects the reflected light of dust in air...

The RFM69HCW module is an inexpensive and versatile radio module. You can use it to send text or binary data between two or hundreds of modules. It’s perfect for building inexpensive short-range wi...

Have fun making this mini kit and enjoy the different effects of the white starlight all year round. Tip: ideal for Christmas decorations! This product is a replacement of: MK199W

PIR sensors allow to sense motion, almost always used to detect whether a human has moved in or out of the sensor’s range. This product is a replacement of: VMA314

Create your own plant watering system or build an automatic aquarium refill system by using your Arduino and this small yet powerful water pump.

Solder kits don’t get any more beautiful than Boldport’s butterfly! This wonderful bug flashes its red LEDs when its antennae touch, mimicing the movement of the wings. It uses a clock source and s...

The RFM69HCW module is an inexpensive and versatile radio module. You can use it to send text or binary data between two or hundreds of modules. It’s perfect for building inexpensive short-range wi...

The WPSE324 ( DS18B20) Digital Thermometer provides 9 to 12-bit (configurable) temperature readings which indicate the temperature of the device. This product is a replacement of: VMA324

This package includes a water level sensor and a soil moisture sensor. If the boards have water covering the sensor parts, an analogue value will be available at the “SIG” connection. The water lev...

Control your Arduino projects from anywhere in the world with a free app thanks to the Tuya IoT interface! Plug the Tuya IoT interface module into your Arduino by using the included 4 male wires. T...

This plexiglass case can be used to secure your Raspberry Pi 4® to the back of a TV or other monitor with VESA mount (10 x 10 cm). The case consists out of two transparent bottom and top plates and...

The ATmega2560 MEGA DEVELOPMENT BOARD (Arduino® Compatible) Mega 2560 is a microcontroller board based on the ATmega2560. It has 54 digital input/output pins (of which 15 can be used as PWM outputs...

The ATmega328 UNO DEVELOPMENT BOARD (Arduino® Uno compatible) is a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analo...

Description The ProtoShield makes it easy for you to design custom circuits. You can solder parts to the prototyping area to create your project, or use it with the small solderless breadboard to q...