The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...
In this video I'm using the Reyax RYRR30D NFC module to create a system that logs records to a Notion Database. The RYRR30D ...
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 ...