Elektor Magazine July/August 2008

Elektor Magazine July/August 2008
English | PDF | 136 p | 15.07 MB

Table of Contents Elektor July/August 2008

* Tracking Solar Panel
* Portable Thermometer
* Multitasking Pins
* Environmentally-friendly Mosquito Repeller
* Dimmable LED Light
* Solar-powered Automatic Lighting
* Fog Lamp Sensor
* Battery Discharge Meter
* Mysterious Self Charging
* LED Tester
* Wireless Audio Transmitter
* Gas Flow Meter
* RFID Door Opener
* Bell Alarm
* Smart Chocolate Block
* Slave Flash Trigger
* Operating Hour Counter
* Put that Light Out!
* Post-box Monitor
* Lamp in a Wine Bottle
* Pitch Meter for Model Helicopters
* Smooth Flasher
* Deluxe 123 Game
* Temperature Sensor with 2-Wire Interface
* Video Isolator
* Reaction Race using ATtiny13
* 48-V Microphone Supply
* Discrete PWM Generator
* Simple One-wire Touch Detector
* Solar Cell Voltage Indicator
* Minimalist Oscilloscope
* Underwater Magic
* Flowcode for Garden Lighting
* The Gentle Touch
* High-intensity LED Warning Flasher
* Stroboscope with Trigger Input
* Remote Control Mains Switch
* Tent Alarm
* Gratis Symmetrical Opamp Supply Voltages
* Simple Audio Power Meter
* Mini High-voltage Generator
* Programmable Servo Driver
* Simple USB AVR-ISP Compatible Programmer
* 123 Game – all MCU-free
* Cheap 12 V/230 V Invertor
* USB RS-232 Cable
* Car & Motorcycle Battery Tester
* Mobile Phone Data Cable goes Interface Converter
* Intelligent Presence Simulator
* Low-Voltage Step-Down Converter
* LiPo Manager
* DCF77 Preamplifier
* Camera = Data Store
* RC Mains Sockets with Feedback
* Magnetic Flip-flop
* Indicator for Weller Soldering Stations
* Play the Guitar – Recycle Tip
* Automatic Range Switching
* Active Rectifier
* GPS Receiver
* ZigBee-based Wireless Motion Sensor
* Logic Goats
* Simple Capacitive Touch Sensor
* TV Muter
* Universal Thermostat
* DTMF-controlled Home Appliance Switcher
* USB-standby-killer
* Fog Lamp Switch
* 22-bit A/D Converters
* Solar-powered Battery Charger
* Simple LED Bike Light
* Solar-powered Uninterruptible PSU
* RGB Lights
* FM Microbug
* Energy-efficient Backlight
* SimpleProg
* Radio Control Signal Frame-rate Divider
* FL Twilight Switch
* The OC171 Mystery (solved)
* Pseudo-random Glitter
* Microlight Fuel Gauge
* PWM Control for Permanent Magnet Motors
* Five-output Video Distribution Amplifier
* Turbo BDM Lite ColdFire Interface
* Automatic S/PDIF Selector
* Phantom Supply for TV Antenna
* Mini Bench Supply
* Servo Control
* Software-defined Valve Radio
* Detector with Amplification
* Piezo-powered Lamp
* Digital Rev Counter for (Older) Diesels
* Golf Tally
* Solar Cell Array Charger with Regulator
* Assistance for BASCOM Programmers
* LED Spinning Top
* Cigarette-lighter Battery Charger
* AlphaSudoku
* Automatic car Battery Charger
* Auto-off for Audio Gear
* LED Switching Regulator
* Lighting Governor
* Solar lamp using the PR4403
* 12V Fan Directly on 230 V
* Outside Light Controller
* ISO Standard for Car Radios
* PR4401/02 off the Beaten Track


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