Whadda Kits (78 items)

A rotary encoder is an input device that indicates the rotating direction and how much the knob has been rotated. A rotary encoder is useful for for stepper and servo motor control.

This module is an Arduino compatible LCD display module with high speed I²C interface. It can display 20×4 characters (white characters on a blue background).

The 1 A LITHIUM BATTERY CHARGING BOARD (2 pcs) is a complete constant-current/constant-voltage linear charger for single cell lithium-ion batteries. This product is a replacement of: VMA321,MM104

This 4-channel relay interface board can control various appliances and other equipments with high current. It can be controlled directly by any micro-controller.

This module converts the microcontroller’s power supply into a higher, adjustable voltage.

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

This 8-channel relay interface board can control various appliances and other equipments with high current. It can be controlled directly by any micro-controller.

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...

The HC-SR05 ultrasonic distance sensor enables you to create a project that can measure distances up to 4.5 m. Project tip: add this sensor to any robot project in order for the robot to avoid obst...

This high sensitivity sound detection module detects sounds between 48 and 66 dB and has an analog as well as a digital output. The AO or analog output creates a real-time output voltage signal of ...

DHT11 DIGITAL TEMPERATURE HUMIDITY SENSOR MODULE The DHT11 temperature and humidity sensor features a calibrated digital signal output with the temperature and humidity sensor complex. Its technolo...

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

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

The Line Tracking Sensor based on TCRT5000 is an type of infrared reflectance sensor, and is commonly used in line following robots, it is mounted at the bottom of the robot chassis. The line track...