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

The DS1302 trickle-charge timekeeping chip contains a real-time clock/calendar and 31 bytes of static RAM. It communicates with a microprocessor via a simple serial interface. The real-time clock/c...

A keypad is a simple method of entering user input into your project.

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

If you want to add a camera to your Raspberry Pi board, but also want night vision to see in the dark, then this module is your solution! The 2 IR lights boards with build-in light sensor can be co...

This product is a replacement of: VMA406,MM105

This breadboard 3.3V / 5V power supply module fits the power rails on most breadboards. It also features a mini USB power port to supply power to external devices.

This product is a replacement of: VMA404

This product is a replacement of: VMA411,MM106 - operating voltage: 3 to 5 VDC - max. load voltage: 0 to 24 VDC - input: SIG pin, logic level 3 to 5 VDC - max. load current: 5 A (a heatsink is requ...

CM2302 is a temperature and humidity composite sensor. It uses dedicated digital module acquisition technology and temperature and humidity sensing technology to ensure high reliability and excelle...

This laser module produces a small intense light beam (650 nm, red).

This NFC/RFID controller shield is based on the PN532 chip and can be used for field communication close to 13.56 MHz. This shield comes with an onboard antenna. It is compatible with SPI, IIC, UAR...

This module is an inexpensive solution for an obstacle avoidance sensor, perfect for robotic projects and very easy to interface directly with Arduino® and compatible boards. The module has two pot...

This sensor shield is a low-cost board that allows you to connect a range of sensors and external devices to your Arduino using easy-to-attach jumper cables.

The 16×2 LCD and keypad shield for Arduino Uno, Mega, Diecimila, Duemilanove and Freeduino boards.

This set includes a soldering iron, tools, electronic parts and the necessary printed circuit boards to complete two minikits. An ideal introduction to soldering. Comes complete with a handy storag...