No monthly fees, no SIM cards, just code and ... alerts from Arduino, ESP32, NodeMCU, or Raspberry Pi using Circuit Digest's free SMS API, no GSM module needed. Ideal for IoT and embedded projects in ...

(Hint: there’s no Arduino-provided code involved; hardware registers and the __asm keyword show up.) If you learned embedded programming in an earlier era, this will probably seem glaringly obvious.

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Wemos D1 Mini (ESP8266) or Wemos ESP32 D1 Mini (ESP32) based universal shield for WLED firmware ...