Speed Stabilizer for Dremel Drill
Mondo Technology has a PIC microcontroller circuit for running your Dremel at slower speeds. “The Dremel drill fitted with a mini drill-chuck on a stand is a great setup for drilling circuit boards. The problem is that it does not do low speeds very well. My unit had a failed internal speed controller, so I just wired around it and connected it to a regulated 24 volt DC supply. This