SparkFun Thing Plus - ESP32-C5 is an Adafruit Feather-compatible board with dual-band WiFi 6, BLE, 802.15.4 radio, and LiPo battery support ...
It's all about filament and microcontrollers.
Abstract: Accurate meteorological monitoring in remote regions is vital for water-resource management, climate research, and natural-hazard preparedness. This paper presents a modular, low-power ...