This Multi-function timer circuit can be used to generate many different timing outputs at different desired ranges. A timer is practically unachievable without IC 555 or counter ICs along the […]
LM317 Dispaly Intensity Controller Circuit
The following post explains how the IC LM317 can be used for automatically controlling 7 segment LED display intensity with respect to the variations in the ambient light conditions, detected […]
Exponential Waveform Generator Circuit
This exponential waveform generator circuit provides you with a waveform which sinks exponentially from a specific voltage to near-zero, after which quickly resets to reactivate the sequence. How it Works […]
Automatic Day/Night Switch Circuit using Bi-Metal Strip and LDR
The following explained automatic day night switch circuit using a Bi-Metal strip and an LDR is able to automatically illuminate your porch light or power up some other equipment once […]
Gas Sensor Circuit
This gas sensor circuit is going to identify just about all pollutants available as gaseous material when it is more than a specific predetermined limits. Just to illustrate the suggested […]
Simple Code Lock Circuit
This simple code lock circuit can be used to lock doors by pressing a 3 button keypad. As the simple code lock circuit consists of extremely few components it is […]