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| 100w audio power amplifier | 12 Volt 30 Amp PSU | 12 Volt Lamp Fader (Automatic) |
| 120 watt audioförstärkare | 13 Volt 20 Amp PSU | 200mW 2 Km Transmitter circuit |
| 205 watt audioförstärkare | 230V dimmer | 300mW VHF Tracking Transmitter |
| 40m direct conversion receiver | 5 to 30 Minute Timer | 5 volt power supply |
| 5 Zone Alarm System | 5v Regulated Power Source | 60 watt audioförstärkare |
| 78xx power supply | 9 Volt 2 Amp Power Supply | A Passive Pre-amp |
| Active Tone Control - Three Band | Adjustable power supply using LM317 | Aktiva likriktare |
| Alarm Power Supply | AM Receiver | AM,FM,SW active antenna |
| Amplifier - 22 Watts | Amplifier - 8 Watts | Amplifier - Inverting Non Inverting |
| Amplifier With Bass Boost | AM-Sändare 2 | AM-Sändare 3 |
| AM-Sändare 4 | AM-Sändare 5 | Audio Pre-Amplifier |
| Auto-Fan Temperature Control | Bandspelare detektor | Basic FM Transmitter |
| Basic UPS | Basic UPS Power Supply | Battery charger |
| Battery Charger with Peak Detect | Battery voltage monitor | Bi-amplifier |
| Car 12V Battery Charger | Car Battery Charger | Car Battery Charger 2 |
| Centronics port D A converters and low-pass filter | Charger for gel lead acid batteries | crococlip20 |
| Crystal radio with amplifier | CTCSS Tone Encoder | DC to AC Inverter With The 555 |
| DC-AC inverter (1) | Demodulator Schematic | demp |
| Digital Combination Lock | Digital ljudnivåkontroll | DotBar Rx Voltmeter |
| Dreams MP3 (NEW) | DTMF microphone | Dual 12V Power Supply |
| Dual Polarity Power Supply | Dual Regulated Power Supply | Easy 2-meter transmitter |
| Economy radar detector | Electromagnetic Field Detector | Electronic Charger for accumulator with discharge |
| Electronic code lock | Electronic Dice [1] | Electronic Keypad |
| Electronic Security door key 1 | Electronic Security door key 2 | Elkonstruktion |
| Fiber Optic Voice Communications | Fire alarm | Fixed Voltage Power Supply |
| FM Receiver | FM Transmitter from David Sayles | FM VHF Stereo Transmitter |
| FM-Sändare 9 | FM-Spårsändare 1 | FM-Spårsändare 2 |
| FM-Spårsändare 3 | FM-Spårsändare 4 | FM-Spårsändare 5 |
| FM-Station 1 | FM-Station 2 | FM-Station 3 |
| FM-Station 4 | FM-Station 6 | FM-Station 7 |
| Four-in-one burglar alarm | Frequency counter (0 HZ - 1 MHZ) | Frequency Meter 1HZ to 1MHZ |
| Fridge door Alarm | Garmin - PC kopplingsscheman | Gate Alarm Circuit |
| Handy Telephone Receiver | HF to VHF 18dB Pre-amplifier | High Current Power Supply |
| High Quality Intercom | Hög ström från 78XX | Högspänningsgenerator för lysrör |
| Högspänningsgenerator med 40 kV pulser | Homemade Binaural Mics | How to Build a 300MHz AM, RF Remote Control System |
| How to make a FM antenna | INTEGRATED CIRCUIT RECEIVER | Intelligent Battery Charging Circuit |
| Interfacing 5 volt CMOS to 12 volt 25 Watt Loads | laser mikrofon | Temperature Monitor |
| TV-Jammer | VHF and UHF Video Transmitters | Video Stabilizer |
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