Basic Circuits 1/5

Super High Voltage Magic Wand
15/01/2022 | by: ELECTRONOOBS      
analog video camera schematic tutorial
Homemade high voltage magic wand with HV generator and voltage multipllier. Creates static electricity and cool experiments.

Powerful Coilgun PCB + multiple stages
04/12/2021 | by: ELECTRONOOBS      
analog video camera schematic tutorial
Homemade coilgun with separate PCB for each stage. Big coils, huge high voltage capacitors and thyristor control for powerful magnetic field. Very high speed metal bullet detected with phototransistors.

Vacuum Tube Pre-Amplifier PCB
20/11/2021 | by: ELECTRONOOBS      
analog video camera schematic tutorial
Homemade Vacuum Tube Preamplifier PCB design with analog parts and through hole components. Audio amplifier board with volume control and cool look, purple color.

Metal Detector Circuit and PCB
30/10/2021 | by: ELECTRONOOBS      
analog video camera schematic tutorial
Metal detector circuit and schematic with colis on the PCB. Detect metals and ring a buzzer and LED. Homemade detector.

TL431 delay timer circuit
26/09/2021 | by: ELECTRONOOBS      
analog video camera schematic tutorial
How to make a delay timer with the TL431 and select the delay tiem with the capacitor and resistor. See the schematic and the results.

TL431 undervoltage protection
26/09/2021 | by: ELECTRONOOBS      
analog video camera schematic tutorial
How to make an under voltage protection circuit with the TL431 and select the cutoff value with a resistor. See the schematic and the results.

TL431 Current Limiter Circuit - Fixed Value
26/09/2021 | by: ELECTRONOOBS      
analog video camera schematic tutorial
How to make a current limiter with the TL431 and select any value with a resistor. See the schematic and the results.





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Last tutorials

Super High Voltage Magic Wand
Powerful Coilgun PCB + multiple stages
Homemade Huge Nixie Tube
Vacuum Tube Pre-Amplifier PCB
Arduino Automatic Cat Feeder - 3D Printed

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