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Working Vintage Murphy Swichgage 05051431 0-400 PSI Great Condition Made In USA For Sale

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Working Vintage Murphy Swichgage 05051431 0-400 PSI Great Condition Made In USA:
$173.70

Great used working condition Please view pics. Thanks storage us shelf

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Working Vintage Kingsley Model M Hot Foil Gold Stamping Machine 23K Gold Type Se

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Vintage Operating Surgical Light Working

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Popular Tutorials

Alarms and Indicator Circuit diagrams

• Power supply failure alarm
• Theft preventer alarm
• Rain Alarm
• A simple electronic buzzer
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Audio electronic circuits list

• Stereo Channel Selector
• Low cost intercom using transistors
• Infrared Head Phones
• Use the CD-ROM drive as a audio CD player without the computer
• Audio Visual Indicator for Telephones
• Ultrasonic pest repellent

Circuits for Cars/Motorcycles

• Charge Monitor for 12V lead acid battery.
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Computer/PC Hardware Circuits :

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• Simple Analog to Digital Converter
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Design Ideas :

• Soft ON/OFF switch

Fun/Games Circuits :

• Electronic Scoring Game
• JAM(Just A Minute) Circuit
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Signal/Sequence/Misc. Generators :

• Simple IF Signal Generator

Home/Garden related Circuits :

• Ultrasonic Pest Repeller
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Lights & LED Circuits :

• Light Flasher (blinking lights)
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• Running Message Display

Motor Circuits :

• Automatic Speed Controller for fans & Coolers
• Soft Button type Motor Direction Controller
• Super simple stepper motor controller
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Music related Circuits :

• Digital Volume Control
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< Oscillator Circuits :

• Simple variable frequency oscillator
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Power Supply (PS) Circuit diagrams :

• Negative supply from single positive supply
• Self switching Power Supply
• Ultra low drop linear voltage regulator

Radio,transmitter,receiver circuits :

• Car anti theft wireless alarm.
• Long range FM transmitter
• Remote control using VHF modules
• 40 meter Direct Conversion Receiver

Remote Control Circuit diagrams :

• Remote control using VHF modules
• Remote control using telephone
• A simple Remote control Tester
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Robotics related Circuits :

• Magnetic proximity sensors
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Sensors :

• Magnetic proximity sensors
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• Metal Detector
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Telephone Circuit diagrams :

• Telephone Ringer using 556 dual timers
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Test & Measurement Circuits :

• High Resistance Voltmeter
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