The PCA9698 is an I2C, 40 pins parallel IO expander. These 40 pins can be configured as INPUT or OUTPUT and are addressable via 5 banks (groups) of 8 IO pins. The library provides read/write access to ...

Communication between multiple controllers is almost a must when it comes to large projects. So, in this Lab we’ll investigate in brief the use of the atmega32L, PIC16F877a and the Arduino Uno in some ...

This easy-to-build walking reindeer can be constructed with only a bow motor, battery, wires, and a few other parts.

The nRF9151 SMA Development Kit (DK) from Nordic Semiconductor helps engineers build cellular IoT, DECT NR+, and NTN ...

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you already have one ...

Recently, the World Health Organization launched a flagship report declaring social connections a global public health priority. This is a monumental step in elevating the importance of social ...

Scroll down for hints and conversation about the puzzle for Thursday, Dec. 25, 2025. By New York Times Games Scroll down for hints and conversation about the puzzle for Wednesday, Dec. 24, 2025. By ...