In electronics, a small audio amplifier can improve sound quality for many applications, also this Simple Mini Audio Amplifier Circuit uses the TDA7052 IC, and the diagram below shows its design. Moreover, it needs few parts and easy to build and is good for better sound in small projects; also this circuit is very good […]
Simple Battery Eliminator Circuits using 3 Methods
To begin with, this article shows how to make Simple Battery Eliminator Circuits using 3 Methods with many useful features. When we need steady DC power for devices then battery eliminator is very useful, as there is no need of normal batteries. Furthermore, these circuits change AC from transformer to DC power for electronics; also […]
Battery Charger Circuit using SCR
Battery charger is important in electric system as it give back power to rechargeable battery; also circuit is good way in using SCR (Silicon Controlled Rectifier). SCR is strong, reliable and control well and it have four layers, three junctions and work like switch and rectifier. Furthermore, small current go to gate turns it ON […]
Simple Positive Voltage to Negative Voltage Converter Circuit
This article for Simple Positive Voltage to Negative Voltage Converter Circuits shows how to change positive DC voltage to negative DC voltage using special converter circuit; also this circuit is useful for many electronic things. One popular and easy way to generate a clock signal is to use the IC 555; also this reliable IC […]
Fire Alarm Circuit using Thermistor and IC 555
The Fire Alarm Circuit using Thermistor and IC 555 help to find and warn people about fire, as this design uses IC 555 and thermistor to check temperature change and maybe fire. Furthermore, thermistor is special part which feels the temperature change, also circuit is easy to make and thermistor changes resistance with heat and […]
Function Generator Circuit using IC L8038
Function Generator Circuit using IC L8038 is chip makes sine, square and sawtooth wave; it changes frequency using outside capacitor and resistor from 0.001Hz to 300KHz. We can change and sweep frequency with outside voltage, as it gives strong and clean output and make all 3 waves of same time. Thus, circuit need few extra […]





