See how to control outputs on the PICO. Examples for blinking an LED or two LEDs in an alternate mode. Use the amchine module and control the state of any GPIO in micropython.
New Microcontroller on the market, the Raspberry Pi PICO. Let's start programming this in Micropython with examples for ADC read, PWM signal, I2C with an OLED display and more..
Tutorial on a prototype for a MPPT charger for solar panels or wind turbine and a 12V lead-acid battery. It is made with Arduino and you can see the circuit, prototype PCB and example code.