![]() Running on 3V supply with a 12V 1.2VA transformer it would be no more dangerous than the circuit already published. The circuit has been thoroughly tested, and it works nicely when supplied in the 3V - 9V range.the 12V secondary winding across Q3 Collector and negative ground, and the 230V primary winding to P3 and output Electrodes. ![]() T1 is a small mains transformer 230 to 12V 100 or 150mA.Obviously we can't claim or prove any therapeutic effectiveness for this device. The use of this device is forbidden to Pace-Maker bearers and pregnant women.ĭo not place the electrodes on cuts, wounds, injuries or varices. ![]() ![]() Fine adjustments of "Pulse rate" and "Pulse width" were also added, plus a switch allowing to obtain more complex wave forms of the output ac voltage signal (SW1 when closed). This circuit is a big improvement of the small Muscular Bio-Stimulator design, available on these pages since 2000.Ĭircuit improvements are due to Bo Braendstrup, from Technical University of Denmark, and feature a very effective and much safer way to adjust output amplitude. ![]()
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