Posted by dapj20 on Feb 15, 2016 in 80C31-SBC, Embedded-Systems
This circuit can be used as a low cost SRAM and Microcontroller or Microprocessor Battery Backup. All the diodes are 1N4148, The diodes prevent battery discharge back to power source. D8 gives a one way path to charge Battery thru R13 which limits… more »