Elektor December 2001

Table of Contents Elektor December 2001

• 1.5-V White Led
  
• 12-V Light Organ
  
• 89S8252 Flash Microcontroller Board
  Educational hardware and software platform for the Microcontroller Basics course
• 9-way sub-D Connector Adapter
  
• Audio/Video Switch
  
• Battery Cooler
  
• Battery Discharger/Capacity Meter (2)
  keyboard, discharger and assembly
• Code Lock
  
• Digital Bechtop Power Supply (2)
  soldering, sawing and drilling
• Digital Three-Phase Sinewave Generator
  
• Digitising Video Imagery
  everything together on a single site
• Economical Transistor Radio
  
• Electronic Code Lock
  
• Electronically Trimmable Capacitor
  
• Energising Coils with a Polyswitch
  
• Full-Duplex Data Transmission
  
• Fundamental/Overtone Crystal Oscillator
  
• Getting the Best from Your Clock Radio
  
• Global Time Standard
  
• I2C Temperature Sensor
  
• Induction Radio
  a nostalgic listening experience
• Intelligent Fan Controller
  
• ISAC (3)
  the software development environment
• KITT Scanner
  
• Led Flasher
  
• LED Photosensor
  
• LF DAC Driver
  
• Lithium-Ion Charger (1)
  
• Memory Modules
  CompactFlash, MemoryStick, SmartMedia, MMC, SDC and others
• Mini RS232 Data Switch
  
• Novel Liquid-Level Sensor
  
• PC-to-PC with Two Printer Cables
  
• Polyswitch Thermal Protection
  
• Precision Level Gauge
  
• RC5 Remote Control
  
• Remote ADC with RS232 Output
  
• Shoo Dog!
  
• Short-Circuit Protection with a MOSFET
  
• Soft-Start Circuit for Step-Down Switching Regulator
  
• Speech Filter
  
• Speed-up for Darlingtons
  
• Stereo Peak Indicator
  
• Symmetric Output for USB AudioDAC
  
• Symmetrical Switching Power Supply
  
• Thermostat with Remote p-n Diode Sensor
  
• Thyristor Switch
  
• Turning your Bench Supply intoa Dual Supply
  
• Twilight Switch
  
• USB UART (1)
  allowing access to all ports
• Virtual PC Pinball Kit
  
• Voltage Tester for Model Batteries