When I wanted to control the Motorized ALPS pot for my PASS B1, I started
doing research and found that most MCUs used a H-Bridge using PNP+NPN transistors or HBridge ICs to drive the motor bidirectionally.
Then by chance I came across this article in elektor...
Just to let you know that I have started building my Pass B1 - Buffer Preamp for my Active 3-way floorstander project.
With great pleasure and happiness I am showcasing this DIY to our GUILD.
Here are the few...