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Dave's Circuits
Circuits designed by David Johnson, P.E.

Master Category List - Dave's Circuits
 Last Updated on: Friday, July 18, 2008 11:34 AM


Latch Circuits

Low Voltage Latching Relay Driver
Using some small super capacitors, this circuit can latch and unlatch a mechanical relay with 10 amp contacts, from a small 3 volt power source.  By using a latching relay, power can be controlled to a load with a tiny battery.

Click on Drawing Below to view PDF version of Schematic

Low Voltage Latching Relay Driver designed by David A. Johnson, P.E.

Latch Circuits

Master Schematic Category List - David A. Johnson, P.E.
 

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