Heltec Wireless Stick Lite V3.1 868MHz SX1262 WiFi module is a highly integrated development module designed for wireless communication and IoT (Internet of Things)...
Development board based on ESP32-S2 microcontroller. The board includes a USB-to-UART converter with USB-C connector for easy programming and debugging, TF card slot (microSD),...
The module is suitable for IoT applications based on the ESP32-PICO-D4 chip, which is powerful and versatile for low-power sensor networks and demanding tasks such as speech...
LilyGO TTGO T-Beam v1.2 LoRa32 is a development board designed for Internet of Things (IoT) projects that combines GPS, LoRa communication module and ESP32 microcontroller.
On the board you will of course find a connector for ePaper displays. Sometimes also called Eink. The display itself is very energy efficient, but it still draws some µA even...