Production-readiness engineering review of the ESP32-C5 Node Cluster V2 EasyEDA design, including schematic, PCB, Gerbers, BOM, pick-and-place, power, RF, and battery safety.

Black Magick Heavy Industries KYB1 programmable wireless keyboard, model BLKMGK-KYB1-BASIC, featuring a 69-key layout, XIAO ESP32-C5 controller, Seeed Studio Wio-SX1262 LoRa/Wi-Fi module, configurable RGB backlighting, microSD storage, dual USB-C interface

Black Magick Heavy Industries KYB1 programmable wireless keyboard, model BLKMGK-KYB1-BASIC, featuring a 69-key layout, XIAO ESP32-C5 controller, Seeed Studio Wio-SX1262 LoRa/Wi-Fi module, configurable RGB backlighting, microSD storage, dual USB-C interface

USB-Powered ESP32-C5 Indoor Air Quality Monitor with STCC4 CO2/SHT41 (I2C), PMS7003 (UART), AP2112K 3.3V LDO, Polyfuse Protection on 55×45 mm 2-Layer PCB