Tiny ESP32-C3 development board has USB support for serial communication, but it's not work in Platformio without by default. Here is simple solution to fix ESP32-C3 with Platformio.
How to use your electrical bike battery as power supply system (power bank) to charge you laptop, smartphone and have an LED light ☀? Here is an full assembly manual with chosen parts for build a custom high-power and high-energy power bank.
