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The motor works great at all voltages on the adapter - couldn't get any sense out of the speed controller though. I'm now stuck with 25 revolutions per second at the lowest setting (3v) but I need 17 revs. I thought adding the speed controller to the circuit would be the perfect answer but it...

I went through 7.5, 6, 5, 4.5 & 3v to test for speed. Of course I unintentionally totalled the speed controller when it wouldn't work connected to the adaptor wiring, I would have to source a new one. The multimeter instructions (web) are a bit confusing. There are +/- signs which come up for...

The unit is clearly marked for +/- wires going into it and coming out of it. I followed these and the wiring diagram all the way. Nothing happened when I applied current and I rotated the pot from zero to full and back again. Is it possible that there wasn't enough voltage coming in from the...

Thanks. I've got a Sinometer M-830B, will that do the job please?

yes

DIY Disaster: Just blew a speed regulator for a small electric motor. It wouldn't work from a DC adapter so I wired it into a mains cable. Silly thing to do but at wits end. Bang! Took out two 13 amp fuses, mercifully didn't blow any of the flat fuses in the main board. sigh Back to the...

Hi, Does anyone have any experience with these please? http://www.maplin.co.uk/panel-mounted-speed-regulator-module-30310 I wired this up following the instructions, it didn't work. I was using a DC adapter 3-12v, to a DC 941D Series electric motor. Absolutely nothing happened after I...