Motor stage for Openflexure microscope. Based on Raspberry Pico.

Board functions:

- 3 motors controllers

- condenser LED connector (current limit resistor onboard)

- no need to use a USB cable (power and serial from GPIO header)

- connector for grid ilumination (not tested yet)

- powered via Raspberry GPIO header or external 5V

Configuring the Raspberry to work using the GPIO header serial instead of USB:

WARNING! This process will turn off your bluetooth function. Tested on a Raspberry pi 3B+

First login via SSH to your Raspberry

Turn on Serial without console! To do this use:

sudo raspi-config

Find Serial under Interfaceing Options, click select.

Answer NO to the first question.
Answer YES to the second question about serial hardware port.

Execute:

sudo nano /boot/config.txt

at the end of opened file add line:

dtoverlay=disable-bt

save file and exit.

Execute:

sudo systemctl disable hciuart

ready :)