I decided to build a compact, yet effective alarm. My demands were:- simple construction, reliable operation, very small power consumption, and, most of all, small size. I started with CMOS logic gates, but was soon forced to abandon the concept after a few unsuccessful attempts. Then I suddenly realized that a simple transistor switch might […]
Posts tagged remote
How to make a remote control Kit Universal
How to make a remote control Kit Universal
5 BAND Audio GRAPHIC EQUALIZER
5 BAND Audio GRAPHIC EQUALIZER AMPLIFIER using KA2223 5 BAND Audio GRAPHIC EQUALIZER AMPLIFIER using KA2223 The KA2223 is a monolithic integrated circuit consisting of an operational amplifier with five resonant circuits and a active filter, an it is suitable for radio-cassette tape recorders, car stereos or music center audio systems. FEATURES Tone control with […]
TDA1175P – LOW-NOISE TV VERTICAL DEFLECTION SYSTEM
TDA1175P – LOW-NOISE TV VERTICAL DEFLECTION SYSTEM It is intended for use in black and white and colour TV receivers. The functions incorporated are : synchronization vertical circuit, oscillator and ramp generator.
Mic preamp circuit For Shure microphone
Mic preamp circuit For Shure microphone using NE5532
Bass Guitar
Bass Guitar 100W Guitar Amplifier circuit Mk II 2 100W Guitar Amplifier circuit Mk II 2
