Beam is an easy and affordable way to control and monitor 3D printers via WiFi, USB-enabled serial, and SD I/O. Beam is very robust and power-efficient as it runs on an MCU (ESP32) while still offering a wide range of functionalities. ...
Event-driven API for network applicaitons, which faciliates developers writing code running on a 5mm*5mm sized MCU in Nodejs style. Greatly speed up your IOT application developing process. Introduction: ESP32 is already integrated antenna and RF balun, power amplifier, low-noise amplifiers, filter...
Heltec Meshtastic LoRa IoT SX1262 ESP32 LoRa OLED Display WIFI Lora 32 V3 Development Board for Arduino 2PCSUSD 35.50-42.99/lot Heltec Meshtastic LoRa Smart Price Tag E-Ink Display with ESP32 and LoRa Black and White 2.13-Inch 863~928MHz SX1262 Wi-Fi BLEUSD 17.50/piece ...