LM1875 Datasheet | pinout | HIFi audio amplifier circuit
Here is a LM1875 datasheet, used for a 20W audio amplifier on Class AB type. Voltage Gain is 90dB. Low Harmonic Distortion Noise is 0.015%, 1KHz, 8 ohms […] Read more
LM317 Voltage Regulator: Pinout, Calculator, and Circuits
When we build variable DC power supply,output 1A and adjust up to about 30V. Most use LM317, because high-efficiency, easy to apply and cheaper[…] Read more
Insects and mice repellent circuit using IC556
Use high frequency out of the piezo speaker and IC-556 is base as oscillator between 22kHz and 56kHz
This projects is safer and more convenient. Read more
LM317 Lead Acid Charger | 6V, 12V, 24V
See 4 LM317 Lead-acid battery charger circuits for 6V, 12V, and 24V battery, with automatic charging and full charged Indicator Easy to build. Read more
36 Hobby Electronic Projects
Are you bored? Watching TV or playing games not your way. Let’s do the Hobby Electronic Projects. I try to collect project lists. You may build quickly them when having free times. Most cheap and easy to find parts. Read more