In the following post I have explained a simple yet useful car speed limit warning indicator circuit which can be used in vehicles for getting an instant indication of a possible over speed limit conditions. The idea was requested by Mr. Abu-Hafss. Technical Specifications: Shall appreciate, if you could design a circuit to warn with […]
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How to Recharge Dead Batteries
In this post I have explained how to recharge and use bad, defective discarded batteries using an innovative battery charging process invented by John Bedini. Lead acid batteries can sometimes be a problem to get rid of. They can also be high priced to upgrade. In case discarded in the wrong way, they have a […]
Grid Mains to Generator Changeover Relay Circuit
In this post I have explained a simple configuration which can be used as a automatic changeover circuit for switching AC grid mains to generator mains, during power failures or outages. The explained circuit will effectively switch the connected appliances to the generator mains during power failure however it won’t be able to switch start the generator automatically, […]
55V 110A N-Channel Mosfet IRF3205 Datasheet
The following post explains the main features of mosfet IRF3205 which is fundamentally rated with drain current at a massive 110 Amps, and voltage ranging up to 55V, ideally suitable for inverter, motor control, choppers, and converter applications. Main Features The IRF3205 leading-edge N-Channel HEXFET® Power MOSFETs from International Rectifier implements hi-tech processing solutions to attain incredibly […]
12V 5 Amp Fixed Voltage Regulator IC 78H12A Datasheet
The post explains the technical specifications, datasheet, and application notes of the IC 78H12A which is a voltage regulator IC capable of providing a fixed regulated 12V output at maximum 5 amp current. 5 Amp Regulator Specifications We are familiar with the popular 78XX ICs such as the 7812 IC which can produce 12V fixed voltage at […]
Pellet Burner Controller Circuit
In this post I have explained a programmable sequential timer with controller circuit which may be used for automatically controlling a homemade pellet burner/boiler system. The circuit was requested by Mr. Vasilis. Technical Specifications I have used your circuit on my homemade pellet burner that uses a 12V Ac motor for the feeder screw running […]
