There are 60 unique lighting patterns 🎉, ranging from simple blinks to complex effects! The system selects a pattern based on the mode: Random Mode: Selects a ...

The aim of this project is to port the ESP32-Marauder firmware to the Cheap Yellow Display (CYD), offering powerful WiFi and Bluetooth testing features on an affordable and accessible hardware ...

Acting as a GSM module that can send and receive SMS messages is just the tip of the iceberg for this tiny device which we saw once before for a DIY GPS tracker. With a USB TTL serial data module ...

Presumably, the core phone module will have regulatory acceptance ... Of course, we’ve seen GSM and cell phone shields for Arduino before. Difficult to imagine sticking those in a dog collar ...