New Stuff on FC's Electronic Circuits

Page last updated: March 15, 2024

It's been a while since I verified the numerous links on my electronics page. All of the dead links have been removed and many sites that moved have been updated to their new locations.

Projects available as kits:

• SCC3 12V/20A Solar Charge Controller with a kit for sale.
• DAS1 12V/10A Dark Activated Switch with a kit for sale.
• LVD1 12V/15A Low Voltage Disconnect with a kit for sale. With a new mod for running a Raspberry Pi on solar power
• BVM1 12V Battery Voltage Monitor with a kit for sale.

These projects are new or they have been updated recently:

• Drake 2B receiver info, mods and calibration tips passband filter alignment process and more
• Spartacus Max AO-35 Organ to 15 Watt Guitar/Monoblock Amp Conversion with push-pull 6L6 tubes
• Basserator AO-63 Organ to 40 Watt Bass/Guitar Amp Conversion with push-pull 6L6GB tubes
• The Sol-Man Solar Powered Electric Guitar Amp solid-state amp with spring reverb
• Victoreen CDV-700 6B Geiger Counter Repairs and Improvements
• Hot-Rodding a Fender Princeton Reverb amp restoration and modification of a classic amp
• A tale of two Fender Twin Reverb amps restoration and modification of 1969 and 1972 amps
• Vacuum Tube Stereo Microphone Preamp with new first-stage gain control and improved tone stack
• Simple Telephone Intercom System using two phones
• Squasherator Vacuum Tube Compressor Altec 436c circuit with extensions
• Octopus Curve Tracer with new transistor base bias circuit
• Lightning Activated Camera Trigger second-generation circuit with many improvements
• QRP Antenna Tuner improved circuit matches more antennas
• Liquidator Phaser/Chorus greatly improved circuit and updated text
• Arduino LFO Waveform Generator new software and updated schematic
• Digital Clock/Thermometer using a Side-Lit LED Display with an aqua-colored LED eye-candy display
• The W0RIO Retro-1970s 24 Hour 12V Digital Clock a fun project made with an old-school clock chip
• Spartacus Hammond AO-44 Organ to Guitar Amp Conversion updated schematic and text
• Squirrel Monkey One Tube Guitar Amp updated schematic and text
• 5 Decade Current Meter handy stand-alone current meter
• The W0RIO Accu-Keyer Extended improved version of a classic TTL Morse code keyer with EPROM messages
• High Efficiency 12V White LED Driver
• The W0RIO 15 Meter QRP Transmitter a crystal-controlled 100mW QSK CW transmitter
• Automatic Stereo Shut-Off powers down an audio amp after the music stops
• The W0RIO Meadowlark 6JH8 Direct Conversion Receiver
• Experiments With A 6AR8 AM/DSB Modulator
• Fluorescent Magic Eye Tubes

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