Pulse width modulation (NE555) speed controller max. 20W LED strip or DC motors. Operates on 12V DC. Circuit board 45 x 33 mm.
- Adjustable pulse width range: 5%...95%
- tested: hardly needs a separate heat sink at 1A load
- workshop tip: if the squealing is annoying, replace the 10nF ceramic capacitor at the edge with a 1nF value.
Note! The kit is preassembled (= FK804).