|
Audio
10W Mini
Audio Amplifier
Speech
Recorder
Digital
Volume Control
FET Audio
Mixer
Sound Level
Meter
Amplifier
of acoustic frequencies with preamplifier
Motorola Hi-Fi power
amplifier
2N3055 Power Amplifier
5,000W
ultra-light, high-power amplifier, without switching-mode power
supply
Tiny audio amplifier using LM386
Stereo tape head
preamplifier using LA3161
20W Bridge Audio Amplifier
20W Audio Amplifier using LM1875
Active Bass & Tremble Controller
Three Channel Audio Mixer
Infrared cordless Headphone Amplifier
200W Audio Amplifier
5-Band Graphic Equalizer
600W Audio Amplifier
Portable Audio Amplifiers
Universal Preamplifier
Cheap Audio Booster
RIAA Corrector
Automotive
Car Battery Indicator
Automotive 12V to +-20V
converter (for audio amplifier)
Simple but reliable car battery tester
Synchronized multi-spark module (SMSM) for
Electronic Ignition Devices (EID)
Nite Rider Lights
Motorcycle Universal Gear
Indicator
Games and
entertainment - Robots
PIC16F84A
discolight effect with bass beat control
The Millipede
3V LED Chaser
6V Ultra-Bright LED Chaser
High Power LED mood Lamp
LED effects
Motion Activated Led Dice
Bomb Game
Hand Steadiness Tester
Halloween Scare
using 12F683 and ISD2532
Motor, light and power control
2500W Phase
Control
Sound Level Indicator
On-Off Temperature Control
A power
source for simple LED projects
Simple DC motor PWM speed control
6 Channel Auto Reverse Sequential Disco Running Lights
Automatic Fan
Controller
Low cost /
Automatic Emergency Light
5 Lamp / LED
Flash Driver
Light Control
System
High current bipolar stepper motor controller
DC servo motor driver
200W Lamp
Flasher
555 stepper
pulse generator
Dark
Sensitive Switch
Simple Servo Tester
12V Relay on 6V
power supply
Super Bright Led Flasher
PIC PWM Fan
controller
USB Single Cell LiPoly Charger
Infrared
Toggle Switch for Home Appliances
Digital Impulse
Relay
Motorized Curtain with Remote control
A Very Simple Power Failure Light
Super Flux RGB LED Controller
Infrared / Light
Controled Switch
Oscillators and timers
Digital Stopwatch 0-99sec
Digital Stopwatch 0-60sec
Adjustable High/Low
Frequency Sine wave generator
Photo Timer Circuit
Darkroom Timer v2.0A for PCB
Exposure Box
230V Blinking LED
Pulse generator
MSF Radio Time Clock
PC related
Casio Cable
The 8Way Relay Board
LCD2LPT with LIRC
Build your own printer cable LCD
Display
Improved Infrared Receiver with
status led
8 Channel software controlled fanbus
with PWM
An Improved Infrared Receiver with
status led (Billy's Plug)
A Laboratory Control System for Cold
Atom Experiments
8 Channel LPT relay board
USB Sound Card with PCM2702
Ethernet Controller
XBMC USB Controller
MCU (Microcontrollers)
PlayPIC
Ponyprog Circuit for AVR & PIC16F84
Ponyprog Circuit for ATMEL'S AVR
ATMEL 89 Series Flash Microcontroller Programmer
EPROM adapter for
ATMEL 89 Programmer
PIC diode tester
AquaCont - Aquarium Control
Digital Volt and Amp Meter
with Temperature Control
MCU controlled Bluetooth
automation with infrared sensor
PCB Exposure
Box with Fluorescent Lamps and countdown system
89Sxx Development Board
Breadboard header for ATTiny
25/45/85
PIC based WWVB clock
Learning Board for
PIC12F683 Microchip
3-Wire Serial LCD using a Shift Register
USB Low Pin Kit
OSCCAL Value Finder
LED UV exposure box
Arduino Solar Day
Night Controller
Microcontroller Clapper Switch
MCS08DZ60 Evaluation Board
MultiKey - One Wire Keypad
Digital & Binary clock
with thermometer & hygrometer
RF Circuits
4W FM Transmitter
CB receiver
CB transmitter
Transmitter FM 45W with valve
FM radio
4W FM Transmitter
Nostalgic Crystal Radio
AM to FM Converter
60W Linear amplifier
AM FM Simultaneous Transmitter Using Digital IC
The "UnFETtered Crystal Radio!
Simple FM Transmitter
The Nic Nac Tic Tac Crystal
Radio Set
Relay Sequencer Board
Power
0-30 Vdc Stabilized Power Supply With Current Control 0.002-3 A
13.8V 20A power supply
0-50V 2A Bench power supply
3-30 V/2.5 A
Stabilized power supply
500W low cost
12V to 220V inverter
TTL Power
Supply with "Crowbar" protection
Batteries
charger & PSU - ideal for digital cameras
Pulse Charger
for reviving tired Lead Acid batteries
NiCd - NiMH
Charger
1.2 - 15V/3A
adjustable regulated power supply
Dual Voltage Power Supply
13.8V/40A
Stabilized Power Supply
1.2v LED Flasher -
Joule thief
Simple 78xx Current Booster
Lead Acid Battery Charger #1
Lead Acid
Battery Charger #2
Li-Ion Charger
Charger for mobile
phones
Mini variable power
supply
Digital Multiple
Voltage Power Supply
1.2 - 36V / 5A Adjustable Power Supply
Power Supply Short Circuit Protection
Robotics
- GPS
Open GPS Tracker
Church bell Controller
Security and other sensors and detectors
iButton electronic lock
Water level buzzer
Ethernet based Security
System
IR remote extender
Simple Touch Switch
Flood Detector
PIR Motion Sensor
Programmable Home Security Alarm System
XBee Accelerometer Demo - Wireless Tilt Mouse
Application
IR Remote Control Jammer
Science related
Mini efficient coil
launcher from disposable camera flash
Plants Watering Watcher 2
Electronic Stethoscope 2
Telephone related
Phone
line indicator
Phone
Busy Indicator
Telephone Hold Button
The Link Telephone Intercom
The Link A2B+1 (the
Link Telephone Intercom - DTMF version)
The Link 4+0 –
Internal Intercom
The Original 2 Phone Link Design
The Link "P" -
Privacy Link! (Telephone Intercom)
Two way Simple Very
Small Telephone Exchange
Test and measurement
Led display digital Voltmeter
Mosfet TESTER
Inductance meter adapter
Voltage Monitor
Logic Probe
Logic probe plus
Voltmeter + Ammeter LCD panel
IR Digital Thermostat for
FAN
Transistor tester
Simple Crystal Tester
Ultra High Sensitive
Probe
Single Chip
Temperature Data Logger
DDS Function Generator
PIC16F84A Gas
Detector using GH-312 sensor
Digital Room
Thermometer
PIC16F688 Digital
Voltmeter
Analog Temperature
Controller - Temperature Relay
Miscellaneous
Flyback
Transformer Driver
Simple optical
switch
Audio VU meter 9
leds
IR Remote Volume Controller
Solid state
relay switch
Dual Relay
Driver Board
4 channel
infrared remote relays
The
experimenter's pot - Digital Potentiometer
MAX6953 Development board
Centrifugal fish
autofeeder
Solar Mailbox
project
Toggle ON / OFF
switch
Dot matrix LED running display
|
Projects
