Why the CH340C? The 328p is the chip at the heart of the Arduino Uno, but it doesn't have a native USB connection, which is useful for easily uploading new programs to it. This means that another chip ...

In this post, I am going to probe the components and compatibility of a cheapest Arduino Uno Wi-Fi board you can buy for your IoT projects. The UNO R3+WiFi (ATmega328P+ESP8266) board is an unofficial ...

Use "Arduino as PIC Programmer" Sketch Install ArduinoPICProgrammer firmware on Nano (Google "Arduino PIC Programmer GitHub"). Connect Nano to PC, upload the PIC programmer sketch. Use picprog tool to ...

Add in the CH340C chip for USB to serial duties, and it’s easy to program with the Arduino IDE, too. Code is available on Github for those keen to take a closer look.

Lolin S2 Mini vs Wemos D1 mini Not all ESP32-S2 variants come with embedded flash and PSRAM, but the ESP32-S2FN4R2 selected here embeds 4MB flash and 2MB PSRAM, which enables the same compact design ...

USB – 1x Micro USB Port for power and programming (via CH340C) Expansion EasyC / Qwiic connector with I2C Headers for power signals, I2C, SPI, ESP32’s GPIO, and MCP23017 I2C I/O expander ...