The circuit diagram of this system represents the interconnection between the ESP32-CAM, OLED display, and rotary encoder.

When it comes to measuring time on microcontrollers, there’s plenty of ways to go about things. For most quick and dirty purposes, such as debounce delays or other wait states, merely counting away a ...

You can buy all kinds of conventional clocks that have hands and numbers for easy reading. Or, like [Fabio Ricci], you could build yourself something a little more esoteric, like this neat shadow ...

The NFL Draft has come around again, and you might have questions on how all of this works. The draft annually kicks off with round one, followed by the second and third rounds on Friday and rounds ...

Clawdmeter is a DIY ESP32-S3-powered desk dashboard that displays Claude Code token usage on a 2.16-inch AMOLED screen so you know when you’re about to reach the limits in real time. It’s mostly a ...

SIM800L GSM module library for Linux systems like the Raspberry Pi. This library was also successfully tested with SIM800C and should also support SIM800H. This library provides a driver for SIMCom ...