A neat little voltage controlled oscillator circuit could be designed and applied for a given purpose using a single IC 555 and a few other passive components, let’s learn about […]
Quartz Mosquito Repellent using a single IC4060
In this post we will make a highly effective mosquito repellent circuit using a single Ic 4060 oscillator reinforced with a quartz crystal for better reliability and better impact on […]
+/-5V to 12V Adjustable Power Supply Circuit
The concurrent adjustment of the two outputs enables it to be used to supply integrated circuits and other kinds of devices that require a dual supply of between + -5 […]
Keypad Lock Circuit using a Single IC
The post explains a simple failproof digital keypad security lock circuit using a keypad module and a single CMOS IC . Introduction A decimal keyboard, a CMOS IC, about three […]
Simple Sawtooth Generator Circuit
The post explains how an efficient sawtooth generator circuit can be built using just a handful of ordinary parts such as BJTs and resistors. Sawtooth generators are often recommended in […]
Music Stroboscope Circuit
In this post we detail the construction of a music triggered stroboscope light circuit,which can be used in parties or festive occasions for creating powerful strobe lights in response to […]





