26-06-2010, 09:08 PM
1.Lead Acid Battery Charger
2.Simple 78xx Current Booster
3.Simple Touch Switch
4.Two way Simple Small Telephone Exchange
5.Open GPS Tracker
6.USB Sound Card with PCM2702
7.PCB Exposure Box with countdown system
8.MCU controlled Bluetooth automation with IR Automatic Fan Controller
9.Low cost / Automatic Emergency Light
10.Simple FM Transmitter
11.230V Blinking LED
12.2500W Phase Control
13.MAX6953 Development board
14.IR Digital Thermostat for FAN
15.Simple Crystal Tester
16.12V Relay on 6V power supply
17.Transistor tester
18.Mini variable power supply
19.Ultra High Sensitive Probe
20.Charger for mobile phones
21.Li-Ion Charger
22.Super Bright Led Flasher
23.RIAA Corrector
24.13.8V/40A Stabilized Power Supply
25.Logic probe plus
26.Centrifugal fish autofeeder
27.Pulse generator
28.Digital Volt and Amp Meter with Temp Control
29.Dual Voltage Power Supply
30.Cheap Audio Booster
31.Universal Preamplifier
32.Portable Audio Amplifiers
33.Breadboard header for ATTiny 25/45/85
34.A power source for simple LED projects
35.PIC based WWVB clock
36.1.2v LED Flasher - Joule thief
37.Motorcycle Universal Gear Indicator
38.Church bell Controller
39.Toggle ON / OFF switch
40.89Sxx Development Board
41.600W Audio Amplifier
42.5 Lamp / LED Flash Driver
43.5-Band Graphic Equalizer
44.200W Audio Amplifier
45.Infrared cordless Headphone Amplifier
46.Three Channel Audio Mixer
47.Active Bass & Tremble Controller
48.Ethernet Controller
49.The Nic Nac Tic Tac Crystal Radio Set
50.IR remote extender
51.Solar Mailbox project
1.4 channel infrared remote relays
2.The experimenter's pot - Digital Potentiometer
3.MAX6953 Development board
4.Centrifugal fish autofeeder
5.Flyback Transformer Driver
6.Simple optical switch
7.Audio VU meter 9 leds
8.Phone line indicator
9.Phone Busy Indicator
10.IR Remote Volume Controller
11.Solid state relay switch
12.Dual Relay Driver Board
13.Solar Mailbox project
14.The Link "P" - Privacy Link! (Telephone Intercom)
15.Two way Simple Very Small Telephone Exchange
16.Led display digital Voltmeter
17.Mosfet TESTER
18.Inductance meter adapter
19.Toggle ON / OFF switch
20.Telephone Hold Button
21.The Link Telephone Intercom
22.The Link A2B+1 (the Link Telephone Intercom - DTMF version)
23.The Link 4+0 – Internal Intercom
24.Transistor tester
25.Simple Crystal Tester
26.Ultra High Sensitive Probe
27.The Original 2 Phone Link Design
28.Voltage Monitor
29.Logic Probe
30.Logic probe plus
31.IR remote extender
32.Simple Touch Switch
33.Voltmeter + Ammeter LCD panel
34.IR Digital Thermostat for FAN
35.Mini efficient coil launcher from disposable camera flash
36.iButton electronic lock
37.FM radio
38.4W FM Transmitter
39.Nostalgic Crystal Radio
40.AM to FM Converter
41.Water level buzzer
42.Ethernet based Security System
43.4W FM Transmitter
44.CB receiver
45.Simple FM Transmitter
46.The Nic Nac Tic Tac Crystal Radio Set
47.PlayPIC
48.CB transmitter
49.PIC diode tester
50.AquaCont - Aquarium Control
51.Digital Volt and Amp Meter with Temperature Control
52.MCU controlled Bluetooth automation with infrared sensor
53.PCB Exposure Box with Fluorescent Lamps and countdown system
54.89Sxx Development Board
55.Transmitter FM 45W with valve
56.60W Linear amplifier
57.AM FM Simultaneous Transmitter Using Digital IC
58.The "UnFETtered Crystal Radio!
59.Ponyprog Circuit for AVR & PIC16F84
60.Ponyprog Circuit for ATMEL'S AVR
61.An Improved Infrared Receiver with status led (Billy's Plug)
62.A Laboratory Control System for Cold Atom Experiments
63.8 Channel LPT relay board
64.USB Sound Card with PCM2702
65.ATMEL 89 Series Flash Microcontroller Programmer
66.EPROM adapter for ATMEL 89 Programmer
67.Breadboard header for ATTiny 25/45/85
68.PIC based WWVB clock
69.Casio Cable
70.On-Off Temperature Control
71.The 8Way Relay Board
72.LCD2LPT with LIRC
73.Build your own printer cable LCD Display
74.Improved Infrared Receiver with status led
75.8 Channel software controlled fanbus with PWM
76.Ethernet Controller
77.Light Control System
78.High current bipolar stepper motor controller
79.DC servo motor driver
80.2500W Phase Control
81.Dark Sensitive Switch
82.Simple Servo Tester
83.Sound Level Indicator
84.A power source for simple LED projects
85.Simple DC motor PWM speed control
86.6 Channel Auto Reverse Sequential Disco Running Lights
87.Automatic Fan Controller
88.Low cost / Automatic Emergency Light
89.5 Lamp / LED Flash Driver
90.200W Lamp Flasher
91.Pulse generator
92.Car Battery Indicator
93.555 stepper pulse generator
94.12V Relay on 6V power supply
95.Super Bright Led Flasher
96.Digital Stopwatch 0-99sec
97.Digital Stopwatch 0-60sec
98.Adjustable High/Low Frequency Sine wave generator
99.Photo Timer Circuit
100.Digital Volume Control
101.FET Audio Mixer
102.Sound Level Meter
103.Darkroom Timer v2.0A for PCB Exposure Box
104.230V Blinking LED
105.Speech Recorder
106.Amplifier of acoustic frequencies with preamplifier
107.Motorola Hi-Fi power amplifier
108.Automotive 12V to +-20V converter (for audio amplifier)
109.Simple but reliable car battery tester
110.Synchronized multi-spark module (SMSM) for Electronic Ignition Devices (EID)
111.Nite Rider Lights
112.20W Audio Amplifier using LM1875
113.Active Bass & Tremble Controller
114.Motorcycle Universal Gear Indicator
115.10W Mini Audio Amplifier
116.2N3055 Power Amplifier
117.5-Band Graphic Equalizer
118.5,000W ultra-light, high-power amplifier, without switching-mode power supply
119.Tiny audio amplifier using LM386
120.Stereo tape head preamplifier using LA3161
121.20W Bridge Audio Amplifier
122.600W Audio Amplifier
123.Portable Audio Amplifiers
124.Universal Preamplifier
125.Cheap Audio Booster
126.RIAA Corrector
127.Three Channel Audio Mixer
128.Infrared cordless Headphone Amplifier
129.200W Audio Amplifier
