This is an update/refactor of https://github.com/br3ttb/Arduino-PID-Library, since the original library seems pretty much abandoned. For an explanation of many of the ...

"Windup" occurs when the integral term grows indefinitely while the actuator is saturated (at max limit). Standard PID calculates d(Error)/dt. This library calculates ...

A few weeks ago, I installed an automatic water heater switch to my bathroom, but it was a crude device. What I really want to do is design a universal heater driver. That basic idea can be adapted to ...

In case you missed it, the big news is that a minimal Arduino core is up and working on the ESP32. There’s still lots left to do, but the core functionality — GPIO, UART, SPI, I2C, and WiFi — are all ...