This post talks about an excellent ultrasonic alarm circuit that could be efficiently established for detecting sound pressures over the natural human hearing capability, which could cover from 20 kHz […]
Li-Ion Solar Charger Circuit
The article describes a straightforward Li-ion solar charger circuit with automatic cut-off applying transistors mainly. Solar Charger Circuit using Transistors with Automatic Cut-off Loking at the above simple solar charger […]
IC 555 Inverter Circuits
The first IC 555 inverter circuit with triacs makes use of an IC 555 for generating the oscillations and triacs for converting these oscillations into mains voltage through the transfomer. […]
Voltage Double Circuit using NE555
The following circuit diagram below illustrates a voltage doubler. Here, it uses IC NE555, running on 9KHz (approx.) and working as astable multi-vibrator. The Q1 and Q2 as the transistors […]
PWM Lamp Dimmer using IC 555
This project discusses in detail about the PWM lamp dimmer. It will use IC NE555. Earlier the dimmers built on linear regulators was not efficient compared to the current one. […]
555 Timer Ramp Generator
The post explains how a IC 555 timer ramp generator circuit can be made using a single IC 555 and few other passive components When a capacitor gets charged from […]