Below is the Inverter & mains change over circuit, in this circuit both Inverter supply & mains supply combined which is called UPS , for this purpose 8 pin DPDT relay (220 V ) were used as explain in the diagram , Blue wires are for Inverter ON & OFF switch, in absence of MAINS supply Inverter will be inContinue reading “Auto Changeover from Inverter / Generator to Mains Supply”
Author Archives: obaid1470
Over voltage protection circuit (passive)
Below circuit is about over voltage protection related, here 2 relays (220 v) are used of 14 pins, pins # 13 & 14 of both relays are kept in series, and both 13 pin of 1st relay & 14 pin of 2nd relay connected direct to main AC, at the other end pins 9 toContinue reading “Over voltage protection circuit (passive)”
GSM Remote Control
Today I am going to introduce a simple mobile phone remote control circuit which is so simple that everybody can easily assemble it, In this circuit following items which are easily available every where. here Mobile phone set, Relay (3V DC), Capacitor 4700 uf, 25 v will required I think 3V DC relay is not difficult to find in theContinue reading “GSM Remote Control”
KSF Electronics 