Light Level Indicator (Window Comparator).LED Traffic Lights Analog / RF Circuits.IR Remote Control Tester using a IR LED.3.6 Volt (cell phone) LED Battery Meter.12 Volt Lamp Fader (LEDs or incandescent).Descrete LED fading circuit using 5 transistors.10 to 100 LED Sequencer Using a Matrix.40 LED Bicycle Light (555 Timer - 6 volt).Telephone Ring Generator Using Switching.PIC Security System Dials Your Cell Phone.Digital Electronic Lock Telephone Circuits.32.768 KHz Oscillator Using A Common Watch Crystal.32 Bit Serial Receiver (57.6 K Baud TTL & CMOS).Parts, plans, schematics and programmng available. 24 bit ISA card Installs into your computer.Most circuits have been built, tested,Īnd believed to perform as described, however possible mistakes may be found. Most of the circuits can be built using common components availableįrom Radio Shack, Digikey, Jameco, Mouser, Allied electronics, or salvagedįrom scrap electronic equipment. Projects, newsgroups, and educational areas. Site includes 100+ circuit diagrams with text descriptions, severalĮlectronic calculators, links to related sites, commercial kits and A small collection of electronic circuits for the hobbyist or student.
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