It is well known that a 555 timer in astable mode can be frequency modulated by applying a control voltage (CV) to pin 5. The schematic on the left of Figure 1 shows this classic 555 VCO. Figure 1 ...

It is pretty easy to go to a big box store and get a digital speedometer for your bike. Not only is that no fun, but the little digital display isn’t going to win you any hacker cred. [AlexGyver] has ...

A convenient timer set with circular progress indicator, supporting 9 presets and custom time. Designed for Arduino UNO with the same hardware as the arduino_flappybird project.

This library enables you to use Interrupt from Hardware Timers on an STM32H7-based Portenta_H7 board. The most important feature is they're ISR-based timers. Therefore, their executions are not ...