In this post I have explained about a simple battery current sensor with indicator circuit which detects the amount of current consumed by the battery while charging. The presented designs also have an auto cut off when the battery stops consuming current at its full charge level.. Why Current Drops as Battery gets Charged We […]
Triggered
Darkness Triggered Car Safety Park Light Circuit
In this post I have explained a circuit concept for enabling cars with an add-on automatic safety park light which triggers during night and signals the position of the car and consequently prevents a mistaken collision or dashing by another vehicle. The design ensures minimum consumption and relatively higher brightness for the involved LED lights. […]
Music Triggered Amplifier Speaker Circuit
The circuit idea I have explained below enables a power amplifier loudspeakers to switch ON only when there’s an input music available, otherwise it makes sure that the loudspeakers remain shut off. The idea ws requested by Mr. David Alda. Technical Specifications Your site is just awesome. I’m hoping you can post a tweak to […]
Cellphone Display Light Triggered Remote Control Circuit
In this post I have explained 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 circuit above but I will use the LED of mobile phone as light source so I can turn ON and OFF the […]
Cell Phone Triggered Night Lamp Circuit
Feeling difficult to grope for a light switch in deep sleep when someone calls you at night? Then may be this cellphone triggered RF night lamp circuit can solve your problem….This is a very simple basic circuit and is easy to construct compared to other online available circuits which switches on a relay when it […]