Hobbyists, electronic enthusiasts, and makers may be excited to learn that Adafruit has announced the arrival of the NeoTrellis RGB driver PCB for 4×4 keypad. This new release is an upgrade from the ...

[Andrea] just sent us this great student hack he made for his room. He’s constructed an Arduino keypad door lock — without using any proper fastening hardware! The entire build is made out of scrap ...

This is an ESP IDF driver for this device. It provides similar functionality to that provided by the Arduino Library but ommits all the additional code for other SeeSaw based devices. Note that the ...

A keypad is one of the most commonly used input devices in microprocessor applications. In a standard keypad wired as an X-Y switch matrix, normally-open switches connect a row to a column when ...

The Adafruit Metro RP2350 is a Raspberry Pi RP2350 development board that closely follows the Arduino UNO form factor for compatibility with existing Arduino shields. Key features include 37 GPIOs, a ...