Massage digital display circuit

Display circuit as shown in a typical digital massager. The core of the control circuit is a microprocessor EM78156, it then received instructions manual operation of the circu
Massage digital display circuit - schematic

it, on the one hand by triggering the two transistors to provide a DC motor supply voltage (A +, A- and B +, B-), with displacement through 8 bit register N2 digital display drive circuit.

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