Boards in 2 GitHub repositories, designed in KiCad, that use the 10D390K by RUILON (25V 3.5J 3.7nF@1kHz 31V 35V~43V 500A 50mW 77V 插件,P=7.5mm Varistors ROHS). See how each wires it, with its parts, size, README and files; the 10D390K’s symbol, footprint and pinout are on its own page.
cukier/LoraProgrammer
Firmware ESP32 (ESP-IDF) para programar e configurar módulos de rádio LoRa, expondo a configuração através de um servidor HTTP em Wi-Fi (SoftAP/STA), acessível também via mDNS (http:// .local/).
HakanD1/24v-to-5v-50w-buck-converter-stm32
24V to 5V 50W Digital Controlled Buck Converter Hardware, Software, and Control Design. Features an STM32-based closed-loop PI regulation, 120kHz PWM, custom PCB, and a Nextion HMI display interface.