Table of Contents
Audio + Video
- 200W Power Pack ... 349
- 3V Amplifier for Headphones ... 183
- Acoustic Noise Control ... 504
- Anti-Remote Control ... 262
- Audio Click Suppressor ... 328
- Bluish Flasher ... 306
- Budget Booster for EDiTS Pro ... 353
- The Secret of MD Remote Control Codes ... 276
- DC Protection for IGBT Power Amp ... 480
- Digital Camera as IR Tester ... 479
- DVI – The Technology ... 477
- Simple Infrared Remote Control Extender ... 394
- Simple Audio Peak Detector ... 46
- EL Driver with HV832MG ... 443
- Radio Remote Control Extender ... 205
- Radio Remote Control Extender ... 207
- High Voltage Amplifier ... 86
- High Voltage Power Supply ... 83
- IR Remote Control Receiver ... 414
- IR S/PDIF Receiver ... 130
- IR S/PDIF Sender ... 171
- IR Sender with HT12E ... 44
- Small RC5 Sender ... 435
- Compressor for Electret Microphone ... 310
- LCD Status Display ... 195
- LM4906 Boomer® Audio Amp ... 224
- MD Preamplifier with Scratch Filter Effect ... 390
- Microphone Preamplifier ... 467
- MP3 Adapter for TV Sets ... 72
- MW/LW Broadband Noise Reducer ... 352
- Precision Headphone Amplifier ... 273
- RGB Generator ... 487
- Tube Sound Converter ... 62
- Stereo LED VU for Car Radios ... 314
- Symmetrical Microphone Preamplifier ... 67
- Daughter Flash ... 245
- Tube Box Upgrade ... 367
- Universal Output Stage Protector ... 457
- Amplifier with Squelch ... 297
- Amplifier with Surround System ... 166
- VHF Preamplifier with Single Chip ... 82
- Video Sync Generator ... 141
- Videosync Generator ... 455
- Quad Bridge Amplifier for Car Hi-Fi ... 64
- Quad Amplifier for Car Hi-Fi ... 198
Computer + Peripherie
- Adapter for 9-pin Sub-D Connection ... 313
- Hard Disk Selector ... 279
- Hard Disk Switch ... 99
- Hard Disk Selector Switch ... 322
- Gigabit Crosslink Cable ... 250
- Home Network for ADSL ... 160
- IrDA Retrofit ... 77
- IrDA Interface ... 309
- LCD Module in 4-bit Mode ... 277
- Fan Control for Processors ... 418
- Master-Slave Switch ... 12
- Multicolor HD LED ... 227
- MIDI Adapter for PC Sound Cards ... 15
- Optical Serial Interface ... 220
- Patch Cable Crossover ... 278
- PCI Express ... 188
- Slave Switch ... 33
- Power Supply for USB Devices ... 490
- Temperature Display for PC ... 516
- Universal USB Power Supply ... 212
- USB for the Xbox ... 451
- USB LED ... 225
- USB Power Booster ... 339
- V24 Voltage Regulator ... 238
- Xport ... 450
Prozessoren + Controller
- 2708 Replacement ... 432
- AVR Dongle ... 362
- BCD to HEX Converter ... 164
- Bidirectional Level Converter for I2C ... 463
- Digital Isolator up to 100 MBit/s ... 393
- Flipflop with CMOS-NAND ... 241
- FT639: 1-Chip Servo Control ... 247
- IR Remote Control Transmitter with BASCOM-AVR ... 364
- Long Times with the 555 ... 214
- Minimalist Microcontroller ... 347
- MSP430 Programmer ... 459
- Level Converter with Logic Functions ... 464
- PICAXE-08 Port Expansion ... 396
- Programming Tool for ATtiny15 ... 445
- Versatile PIC Programmer ... 338
- Xilinx JTAG Interface ... 222
High Frequency
- 1 MHz Frequency Counter ... 107
- 1:800 Oscillator ... 57
- The Medium Wave Modulator ... 210
- DRM Direct Mixer with EF95/6AK5 ... 372
- DRM Double Super with EF95/6AK5 ... 13
- Single-Component Oscillator (1...10 MHz) ... 288
- Simple Radio MVV ... 56
- Elliptical Filter 9th Order ... 376
- FM Microphone ... 242
- Straight-Through Receiver ... 118
- Card Radio ... 300
- Shortwave Monitor ... 24
- Shortwave Tuner ... 340
- Shortwave Audio for AM and DRM ... 331
- Shortwave Converter ... 186
- Longwire Antenna Matching for SW Receiver ... 424
- Linearly Modulatable 1.2 GHz VCO ... 153
- Linear RF Power Meter ... 39
- Notch Filter High Q ... 497
- Faster Oscillator ... 511
- SSB Extension for AM Receiver ... 237
Home + Garden
- 12V Glow Plug Voltage Converter ... 48
- Battery Switch with LDO Regulator ... 275
- Demand-Controlled Toilet Ventilation ... 216
- Binary Clock ... 124
- Blink Light Control ... 159
- Egg Timer ... 21
- Simple Alarm System ... 68
- Simple Shadow Alarm ... 158
- Electronic Watering Can ... 324
- Electronic Telephone Bell ... 162
- Bicycle Rear Light ... 508
- Garage Timer ... 420
- IR Multi-Switch ... 156
- Cat and Dog Repeller ... 447
- Car Interior Lighting with Switch-Off Delay ... 155
- Car Voltage Regulator ... 117
- Comfort Car Interior Lighting ... 9
- Refrigerator Thermostat ... 182
- Short-Circuit Detector with Multifuse ... 385
- Charger for Cordless Telephones ... 103
- Long-Term Stay Switch ... 252
- LED Flashlight with 2 Monocells ... 211
- Line Occupancy Indicator ... 105
- Navigator Assistant ... 412
- Roller Shutter Control ... 42
- Second and Minute Timing from DCF77 ... 365
- You Have Mail! ... 302
- Soft Start for (Halogen) Incandescent Lamps ... 326
- Surge Protector ... 391
- Kettle with a Whistle ... 79
- Central Locking ... 75
- Second Doorbell ... 305
Measurement + Testing
- Active Broadband Probe ... 521
- Acoustic Sensor ... 90
- CCO Metal Detector ... 270
- Digital VU Meter ... 217
- Dual LED Voltage Display ... 307
- Simple Audio Cable Tester ... 330
- Simple Function Generator ... 110
- Adjustable Duty Cycle ... 431
- Experimenter's Board ... 371
- Color Generator ... 114
- Filtered 50 Hz Sine Wave Generator ... 383
- GSM Tester ... 434
- High Voltage Regulator ... 461
- Pulse Generator (long period) ... 469
- Infrared Light Barrier ... 121
- Cable Tester ... 29
- Position Sensor ... 93
- Lambda Sensor Measuring Device ... 194
- LED Dimmer with Potentiometer ... 493
- Light Barrier with Counter ... 123
- Low-Cost Step-Down Converter ... 271
- Low-Cost Induction Meter ... 144
- Low-Power 32 kHz Oscillator ... 256
- Airflow Monitor ... 137
- Floating 9V Power Supply for DVM Modules ... 317
- Measurement Attenuator ... 139
- Measuring Bridge Simulator ... 422
- Measuring Filter for Class D/T ... 35
- Minus Switching Regulator ... 375
- Mains Voltage Monitor ... 398
- PDM Pulse Generator ... 416
- Level-Controlled Relays ... 319
- Floating Fuse Indicator ... 163
- Programmable Temperature Switch ... 438
- Pulse Alarm ... 335
- PWM Modulator ... 333
- PWM Control with Microcontroller ... 344
- Quartz Frequency Multiplier ... 91
- Quartz Oscillator ... 506
- Rain Detector ... 403
- Relay Current Saving Circuit ... 221
- Reset Module with Selectable Voltages ... 471
- Directional Light Barrier ... 230
- RMS/DC Converter ... 407
- Servo Tester with the 4538 ... 318
- Spike Detector for Oscilloscopes ... 289
- Stable Zener Diode ... 78
- Steep Low-Pass Filter ... 406
- Stop And Go Detector ... 135
- Transistor Dip Meter ... 190
- Over-Temperature Warner ... 495
- Amplifier with Programmable Gain ... 465
- Virtual Experimenter's Board ... 481
- Converter with Integrated Schottky Diode ... 193
Play + Hobby
- Control for Flight Simulators ... 323
- AT90S2313 Programmer ... 131
- Step-Up Converter for 20 LEDs ... 97
- Block Occupancy for Model Railway ... 453
- Steam Whistle ... 292
- DC Control for Triac ... 402
- The Eternal Flasher ... 106
- Dimmer with MOSFET ... 499
- Simple 5-Stage LED Display ... 191
- Simple Stepper Motor Control ... 388
- Interference Suppression for Model Building Receivers ... 387
- Exotic LED Flasher ... 468
- FM Radio Remote Control Receiver ... 148
- FM Radio Remote Control Transmitter ... 151
- Wireless Camera on Train ... 11
- Infrared Proximity Detector ... 147
- LED Flasher ... 218
- LED Light from the Mains Socket ... 175
- LED Microscope Illumination ... 286
- LED Alternating Flasher ... 263
- Metal Detector – Super Simple ... 491
- Model Railway Short-Circuit Beepers ... 25
- Model Building Alternating Flasher ... 70
- Multisound for Electric Guitar ... 392
- Proximity Detector ... 101
- Random LED ... 155
- Switch for Remote-Controlled Models ... 31
- Stepper Motor Generator ... 290
- Safe Button ... 361
- Control Panel with Feedback for Märklin Turnouts ... 425
- Conversion of a DCM Motor ... 260
- False Track Occupancy Detector ... 472
- Universal Clock Generator ... 427
- Irregular Flashing Light ... 181
- US Siren ... 283
- Turnouts Sequentially ... 239
Power Supply + Charging Technology
- +3.3/5V from the Mains Socket ... 404
- 100V Voltage Regulator ... 321
- 12V Dimmer ... 17
- 9V Battery Replacement ... 304
- Battery Voltage Monitor ... 484
- Battery Workshop ... 228
- Auto. Switch for Voltage Converter ... 133
- Automatic Mains Disconnection ... 51
- Automatic Polarity Reverser ... 501
- Battery Saving Circuit ... 167
- Battery Sitter ... 460
- Buck/Boost Voltage Converter ... 293
- DC/DC Converter with 555 ... 193
- Direct 5V Power Supply ... 179
- Three Power Supplies ... 174
- Triple LED Power Source ... 127
- Efficient Power Source for Power LEDs ... 19
- Inrush Current Limiter ... 178
- Adjustable 3A Voltage Stabilizer ... 483
- Energy Saving Changeover Switch ... 373
- Discharge Circuit ... 185
- Extension of LiPo Charger ... 359
- Rules of Thumb for Voltage Regulators ... 284
- Constant Current Sink ... 244
- Li-Ion Charger with only Three Components ... 413
- LiPo Battery Balancer ... 27
- Low-Cost LiPo Charger ... 356
- Low-Drop Constant Current Source ... 111
- More Current with the LM2575 ... 120
- Micropower Voltage Regulator ... 215
- Motorcycle Battery Monitor ... 201
- Mains Indicator ... 441
- NiMH Charger up to Six Cells ... 258
- Phantom Power Supply with Batteries ... 408
- Gentle Battery Regulator ... 251
- Switchless Battery Charger ... 405
- Simple NiCd Charger ... 282
- Solar Charger with High Efficiency ... 332
- Solar Relay ... 380
- Voltage Inverter with Switching Regulator ... 204
- Stable Tube Heating ... 128
- Plug-in Power Supply (Symmetrical Output) ... 400
- Current Limiter Switch ... 439
- Super Polyswitch ... 234
- Universal Mains Filter ... 173
Miscellaneous
- 3V to 5V without Coil ... 294
- Aeternum 555 ... 449
- Automatic Preselector ... 524
- Case Modding ... 419
- Code Lock with Single Button ... 342
- Discrete Robot ... 95
- Three-Hour Timer ... 50
- On/Off Button ... 337
- Simple Window Comparator ... 410
- EMC Improver ... 115
- Flicker Light II ... 267
- Longer Lifespan for Incandescent Lamps ... 54
- Intelligent Flicker Light ... 265
- Isolated 1 Hz Clock ... 382
- LED with Bridge Rectifier ... 59
- LED Flasher for 230V ... 358
- Power Summer ... 379
- Low-Power 2 Hz Clock Generator ... 269
- Fan Control with only Two Components ... 450
- Multi-Voltage Reset ... 255
- Negative Auxiliary Voltage ... 177
- Optical Mixer ... 370
- Power Reduction of Relays ... 518
- Power Reduction for Relays ... 296
- RC5 Repeater ... 203
- Reset Sequencer ... 233
- Servo Switch ... 474
- Step-Up Booster for White LEDs ... 369
- Controllable Zener Diode ... 41
- Modifying Stripboard for SO Housings ... 100
- Swapping without Buffer ... 475
- Title Generator for MD ... 47
- Toslink Repeater/Splitter ... 60
- Triac as Power Flip-Flop ... 236
- Universal Key Set ... 52
