Last Updated or created 2025-12-31
While this is a old project from 2019, I decided to make a more responsive one, after my friend Tyrone mentioned a project somewhere on the internet (forgot where).
Time to dust off this project!
Above version worked but was slow.
I used a python script to send values to de controller.
Memory setup was the same.
Below my new schematic, using an opamp to drive the analog meter.
Utilizing a MCP41000 digital potmeter and a LM358 signal amplifier I hope to get a more responsive setup.
Input to display MQTT and maybe Serial.