Elektor July - August 2006

Table of Contents Elektor

• Design for Märklin Light Signals
• USB Switch for Printers
• Stepper Motor Controller
• Paraphase Tone Control
• Multi-colour Flashing LED
• USB Fuse
• Electronics Torricelli Barometer
• Contrast Control for LCDs
• Hands-On
• Looking for a Needle
• GBPLC — Gameboy PLC
• GBPLC I2C I/O Box
• Electroshack
• BBC Radio-MP3 for Seniors
• Laser Alarm
• RC Servo Tester/Exerciser
• IR Remote Control Tester
• Step-Down Converter Controller
• Fuse Saver
• Hyper-Simple Battery Capacity Tester
• Modulated Light Barrier
• Power MOSFET Bridge Rectifier
• Multimeter as Lightning Detector
• Preset Circuit for Servos
• Direction Sensitive Light Barrier
• 89LPCxx USB Programming
• DC-coupled Audio Amplifier
• Phono Splitter
• Transcutaneous Electrical Nerve Stimulator (TENS)
• Slave Flash Trigger
• Model Railway Turnout Control
• Pipe Descaler
• Mains Indicator
• Simple Slave Flash
• Hybrid Headphone Amp
• Antenna Heigth and Range
• Simple Hybrid Amp
• Programming the Propeller IC
• LED Phototherapy Unit
• E-blocks = cheaper PLC design
• Rear Fog Lamp for Vintage Cars
• Adjustable Current Limit for Dual Power Supply
• Tiny RGB
• Gentle Breeze
• Toothbrush Timer
• Opamp VHF Transmitter
• Presence Simulator
• Thrifty LED Protector
• Binary Clock
• 1-Wire Thermometer with LCD
• Easy Home Control
• Recycling Flasher Lights
• Earth Fault Indicator
• On/off Infrared Remote Control
• Charlieplexing
• R8CKey
• Automatic Range Hood
• Eight-channel Scope Input
• 84x48-pixel Graphics LCD
• Call Acknowledged!
• Protection for Telephone Line
• SMD Crystal-Adapter
• Batter Saver
• Electronic Touch Switch
• Audible Flasher Warning
• SCSI Adapter
• Telephone Ringer
• Slug Repellent
• Miller Capacitor
• Automatic Windshield Washer Control
• Optical Pulse Generator
• Hard-wired Code Lock
• LM35 to ADC
• Zigbee Switching for Remote Control
• Measuring Battery Capacitance
• High-voltage Regulator
• Driver for 20 LEDs
• Tiny Simon
• Harmonic Generator with Single Opamp
• Quad Power Supply for Hybrid Amp
• Mains Slave Switcher I
• Serial to Bluetooth
• Thunderstorm Predictor
• Active Antenna
• Alternative Halogen Supply
• Low Loss Step Down Converter
• 10,000 x with One Transistor
• Programmer Board for the R8C/13
• Intelligent Interface for 1 to 8 Servos
• Bicycle Speedometer with Hub Dynamo
• Temperature Sensitive Switch for Solar Collector
• Simulation Applets
• Universal LCD Module
• Hard Disk Switch
• How to! Connect your project to the PC
• Expansion for Universal Interface
• New KW 1281 Interface
• Multimedia RIAA Preamplifier
• Multicolour HD LED
• RC Switch
• Increased Range for DVM
• Geiger Counter
• DRM Receiver Upgrade
• Computer Off Switch
• Speed Pulse Generator for PC Fans
• Mains Slave Switcher II
• Alphadoku

No Mirrors Please!

Elektor 2004 - 2007 Collection: Download