Engineering · 01.10.2016

2019-05-12 Update: Fixed typo in "logic table" 2019-04-05 Update: Fixed an error in the schematics: Q2, Q3 should be "B" type. The previous version had C and E swapped on Q2 (fixed in the version below). 2016-10-08 Update: Modified schematics to include additional MOSFET protection components (D3 - D6). Thanks to Eric (OceanSeaSpray) from nordkyndesign.com for pointing this out. This post describes an electronic circuit which can be used to drive latching (bi-stable) relays from a controlling...