The Raspberry Pi is a credit card-sized computer capable of running full-fledged Linux distributions such as Raspberry Pi OS, ...

[Tommy] has a great write-up about designing and building a minimalistic handheld electronic game called “Higher Lower”. It’s an audio-driven game in which the unit plays two tones and asks ...

Add articles to your saved list and come back to them any time. These six graphs break down expected sources of state tax revenue, the budget’s bottom line over the coming years, the scale of ...

This library provides a simple device independent interface for interacting with Adafruit IO using Arduino. It allows you to switch between WiFi (ESP8266, ESP32, ESP32-S2, ESP32-S3, ESP32-C3, RP2040, ...

4 and 19 pins are used to adjust the display contrast through a resistor. I use a 1 Mega Ohm variable resistor. Acceptable contrast ~270kOm.