Are you tired of trade-offs due to the lack of I/O ports while developing your designs with the preferred platform? Do you want more to handle your multitude of signals and actuators? This breakout ...

This guide describes a fairly straightforward way of measuring whether a light, motor, boiler ... has been switched on. The power is captured with a relay that switches the input of an MCP23017 to GND ...

This is a Raspberry Pi driver for controlling a MCP23017 I/O chip over I2C. Previous topic: Step 2: Setting up Home Assistant native on the Raspberry Pi. An MCP23017 is a digital IC with 16 ...

Over the last few months we’ve seen an influx of homebrew RC controllers come our way, and we’re certainly not complaining. While the prices of commercial RC transmitters are at an all-time low, and ...

The MCP23017, a 16-bit I2C GPIO expander, has always been a tasty chip. With 16 GPIOs addressable over I2C, proper push/pull outputs, software-enabled pull-ups, eight addresses, maskable interrupts ...

Chess is a great mind strategic game and played between two people. But since the inception of video games and computer, it became very popular in computers where computer plays against human. But in ...

The Raspberry Pi has 26 ports out of which a handful GPIOs left to do great works. But to further impress your neighbor with your fancy Raspberry Pi here's how you can connect additional micro ...