Free Electronics Circuits, Projects and Ideas
12V Battery Low Voltage Indicator using TL431
TL431 Adjustable Shunt Regulator Circuit for Stable Regulated Output Voltage
1 Transistor Fuzz Circuit: Generates a Classic Fuzz Distortion Sound
Push Button Switch with an Integrated 3V White LED From sayal electronics
Soft Start Circuit for Amplifier Transformer Without Relay
12V DC Motor Protection Circuit: Reverse Polarity and Low Voltage Cutoff
Crystal Tester Circuit: Verify Quartz Crystal Oscillator is Functioning
Fuse Failure Indicator Circuit For 12V DC Supply
Sound Activated LED Circuit using BC547 and C1815 Transistor
2 Channel Chaser Works on 230V AC Circuit and PCB Layout
230V AC 4 Channel Chaser Circuit and PCB Layout
Heat Sensitive Amplifier Fan Speed Controller Circuit & PCB
LED Vu Meter Using LB1403 or CD1403 IC: Circuit and PCB Layout
Relay Module Optocoupler: Schematic and Working Explained
LED Delay OFF Circuit using IRFZ44 N Channel MOSFET
Light Sensor Circuit using LM741 Op-amp IC and 12V Relay
