The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...
We use WhatsApp almost every day so much that it has become an unavoidable part of our routine. From a simple “good morning” ...
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 ...
Various other boards can be supported if they have Arduino core available with SPI library with minimal or no editing to the sketch. Some Arduino boards use 5V logic and are not recommended.