potentiometer
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Battery Charger
Lead Acid Battery Charger Schematic Circuit Diagram
The IC LM 317 is used in this lead-acid battery charger circuit. The IC here ensures that the battery receives…
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Amplifier Circuit Diagrams
Mini Audio Amplifier Schematic Circuit Diagram
Audio amplifiers are electronic amplifiers that are used to amplify weak audio signals from an input like a mic to high…
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Radio Circuit Diagrams
FM radio (may be used with PC) Schematic Circuit Diagram
TECHNICAL CHARACTERISTICS: The stabilized tendency of catering: Vcc=9~12V The frequency of reception: 88~108MHz Consumption: 100mA Materially: [color=green]The resistances are 1/4W.[/color]…
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Amplifier Circuit Diagrams
Simple Contact Microphone Schematic Circuit Diagram
Unlike other microphones, a contact microphone makes you look at the world in a different way. At the heart of…
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LCD-LED Display
Simple DC Dimmer Circuit Schematic Circuit Diagram
Sometimes you want to have specific modules in your lab that are not available off the shelf — a compact…
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Lights and Display Board Circuits
PHOTOTRANSISTOR-BASED LIGHT-SENSITIVE SCHEMATIC CIRCUIT DIAGRAM
When the phototransistor comes on in the circuit, this element passes through the conduction transistor BC547. When BC547 is transmitted,…
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Clock & Timer Circuit Diagrams
DIMMER CIRCUIT FOR 40W SOLDERING IRON SCHEMATIC CIRCUIT DIAGRAM
I do not use so expensive ironware for everyday use. Those with 30W are sufficient for mounting but it is quite difficult…
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Battery Circuit Diagrams
Lead Acid Battery Protector Schematic Circuit Diagram
The circuit described here can be used to ensure that a 12 V sealed lead acid (SLA) gel battery isn’t…
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Lights and Display Board Circuits
Flowcode for Garden Lighting Schematic Circuit Diagram
Flowcode is well known from the many ‘Eblocks’ projects that have been published by Elektor over the last few years.…
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Motor Circuit Diagrams
3 Amp PWM DC Motor Controller Schematic Circuit Diagram
This circuit is intended for motion control applications, a common occurrence in robotics! This affordable PWM DC Motor controller can…
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