Alarms and security
Alarms and security electronics projects Directory 4 Photo-Detector circuit with delayed release and bipolar output 5 Zone alarm circuit 5 Zone Alarm Circuit 5 Zone Alarm System Alarm control keypad...
View ArticleAudio power amplifier
Audio power amplifier electronics projects Directory 10 Watt Audio Amplifier 10 watt audio power amplifier using discrete transistors (includes PCB layout) 100W audio amplifier including PCB layout...
View ArticleAudio pre amplifier
Altec 1564A Preamp Power Supply Altec 428B Microphone Preamplifier schematic API 321 mic preamp schematic Application note showing RIAA phono preamplifier based around the National LM833 (PDF) Audio...
View ArticleAutomotive, car and motorcycle
Automotive, car and motorcycle electronics projects directory 12V 300W 4 channel car amplifier schematic diagram 12V battery level indicator for car batteries 12V to 9V car coverter 15W mono car...
View ArticleData acquisition (DAQ) and data logging
Data acquisition (DAQ) and data logging electronics projects directory 1-Wire Barometer Project 4 Bit Digitizer / flash ADC using discrete components 8 Photo-Detector Circuit Board A PIC Based...
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