When [upir] saw that you could buy tire valve stem caps that read pressure electronically, he decided to roll his own Tire ...

The device uses a PCB that integrates an ESP32-C3-mini with the CO₂ Sensor (SCD40). The PCB also has connectors for the ...

EsPiFF ESP32-WROVER microcontroller with RP2040 The T-Display AMOLED Touch ESP32 board represents a significant enhancement, offering new opportunities for your projects.

[Danman] got an ESP32 with built-in OLED display, and in the process of getting a clock up and running and trying to get a couple of NodeMCU binaries installed on it, thought he’d try rolling ...

As Hackaday revealed, this one comes with an E Ink display, a secondary OLED panel, and a keypad made of soft silicon that is encased within a see-through case.