The Sailor Hat is based around a standard ESP32-WROOM-32 module. Interfaces include a CAN bus transceiver, opto-coupled input and output, I 2 C, 1-wire and QWIIC interfaces, USB Micro-B ...

As Hackaday revealed, this one comes with an E Ink display, a secondary OLED panel, and a keypad made ... The device comes powered by an ESP32-S3 processor and supports Wi-Fi 4 and Bluetooth ...

At its core, the ESP32 chip is not much more than an integrated circuit, a huge mass of transistors sealed inside an epoxy resin package with some leads. Of course, most of us won’t buy discrete ...