The post explains a cell phone remote control circuit using the light from its display. The idea was requested by Dondon. Technical Specifications I need a circuit similar to the […]
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Programmable Solar Porch Light Circuit
The post explains a porch light circuit with programmable timer controller which enables the connected LEDs to light up or shut off after some delay, as preferred by the user, […]
Customizing Car Side Marker Lights to Flashing Side Markers
The article discusses a car side marker modification which enables it to respond to the existing turn signal pulses and flash in tandem with the turn signal flashing. The idea […]
Automatic PWM Door Open/Close Controller Circuit
The post explains a simple PWM controlled automatic turnstile or door circuit featuring an automatic open/close action via a photo-interrupter stage. The idea was requested by Mr. Bruce Clark. Technical […]
Lithium Polymer (Lipo) Battery Charger Circuit
The post explains a simple lithium polymer (Lipo )battery with over charge cut off feature. The idea was requested by Mr. Arun Prashan. Charging a Single Lipo Cell with CC […]
Battery Charger for Positive Earth Cars
The post presents an 6v or 12v battery charger circuit for positive earth cars which could be used for upgrading 6V positive earth cars, facilitating an external 12V battery to […]