How about two contacts inside the wrist band, and a Fet that pulses a small inductor to get 100 volts or so spikes? Probably less power than a motor.
And the more you sweat, the better it works 8)
How about two contacts inside the wrist band, and a Fet that pulses a small inductor to get 100 volts or so spikes? Probably less power than a motor.
And the more you sweat, the better it works 8)