The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...
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 ...
Volos Projects recently showcased an easy-to-reproduce, inexpensive DIY ESP32-S3 Internet radio based on a Waveshare ESP32-S3-LCD-1.54 development board ...
It's why DIY smart home projects suddenly got cheap (and actually doable) ...
The Texas Instruments CC1101 is a very versatile, high quality and cheap transceiver, supporting a wide range of frequencies and modulations. Ready-to-use CC1101 modules are as cheap as 5.00€ and at ...