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The speed controller of collector motors on the TDA1085 chip still remains popular among users, although it seemed that everyone and sundry had already done it. For 2-3 years I made a lot of versions of such regulators and tried to optimize the circuit and design and continue to do so until now. I currently offer a version of the Optima regulator – the diagram is shown below.
2 Layers PCB 68 x 99 mm FR-4, 1.6 mm, 1, HASL with lead, Green Solder Mask, White silkscreen.- Basic controls on TDA1085 chip speed are used to work with the commutator motor of washing machines from 220 volts. All of these engines are equipped with tachosensor. But there are many collector engines of various capacities around the same voltage.
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