This simple IC 555 based circuit can be used to generate many different noises whose pitch and modulation can be adjusted as per user preference. Numerous achievable applications for noise […]
PWM Amplifier Circuit
The post explains how to make a simple PWM amplifier circuit also called class-D amplifier or switching amplifier. A PWM amplifier is an electronic amplifier in which the amplifying devices […]
Variable Windscreen Wiper Delay Circuit
Practically in most windscreen wiper delay circuits the wiper speed is self-governing of the speed of the vehicle. However the quicker the vehicle travels, the more rain falls on the […]
Non-stop Newton’s Cradle Circuit
Many individuals have witnessed the desktop ornament/toy known as a ‘ Newton’s cradle’ (see figure 1), which includes generally five steel balls suspended in a row from a set of […]
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 […]
Automatic Lead Acid Battery Charger Circuits
The high quality lead acid battery charger circuits explained in this article are specially designed for charging all types of lead acid batteries very efficiently. They are designed to automatically […]