This design uses the reliable IC 555 chip to manage the water level in a way thats both straightforward and efficient. Lets break down how the IC 555 circuit controls […]
Water Level Controller Circuit using only Transistors
I have got this gadget called an automatic water level controller circuit. It’s pretty neat, it checks if the water in my tank is too low or too high and […]
Transistorized Music Level Indicator Circuits for Amplifiers
A series of LEDs is illuminated successively in a push-pull switching fashion in response to an audio source, indicating the different intensities of the music. This type of indication is known […]
Audible Spirit Level Indicator Circuit
This audible electronic spirit level circuit is extremely valuable for folks with hearing or vision imperfections. Not only that, but it is also useful for people who wish to align […]
LED Sound Level Indicator Circuit
The proposed LED sound level meter will detect the sound hitting the MIC, and indicate its volume level through an array of LED, connected as a bar graph. Circuit Description […]
Noise Level Meter Circuit
There are numerous potential applications currently to explain the use of a noise level meter – for example, monitoring the sound output at dances, discos etc. The unit explained in […]