Miscellaneous Schematics

  1. 1uS Light Pulse Detector Circuit (PDF)
  2. 1uS Pulse Discriminator & Pulse Stretecher (PDF)
  3. 1490 Digital Compass
  4. 2MHz Fiber Optic Light Probe (PDF)
  5. 40 KHz Modulated Light Receiver Circuit (PDF)
  6. 5MHz Optical Fiber Light Probe (PDF)
  7. 741 Light/Dark Sensor
  8. 75MHz Optical Fiber Light Probe (PDF)
  9. Analogue Opto Isolator
  10. Analogue Pulse Counter
  11. An Inexpensive APRS Weather Station
  12. Assorted ASCII Schematics V1.00
  13. Auto Shut-Off for Cassette Players and Amplifiers (PDF)
  14. Automatic Heat Detector (PDF)
  15. Automatsko isključenje
  16. Battery Powered Dust Monitor (PDF)
  17. Battery Powered Optical Interrupter (PDF)
  18. Bang Bang Heater
  19. Building a FRED Photopopper
  20. Burdette switcher
  21. Cable Descrambler
  22. Capacitive Sensor
  23. CD4013 One-Shot and Latch Circuits (PDF)
  24. Charge Cupled Mosfet Relay (PDF)
  25. Chua's Circuit
  26. Dark Activated Switch
  27. Dark/Light Activated Relay
  28. Darkness Monitor
  29. Decimal to BCD Convertor
  30. Digital dial
  31. Dual Hi/Lo Switched Relay Board (PDF)
  32. Earclip Pulse Detector
  33. Electronic Card-Lock System (PDF)
  34. Elektronska zamena glasa
  35. Exclusive-Or Gate Applications (PDF)
  36. Finger Activated Switch Circuit (PDF)
  37. Flash Slave Trigger
  38. Fluid-Level Sensor
  39. Fogger Controller
  40. FSK Modulator
  41. G STRAIN ENERGY ABSORBER
  42. Geiger Counter
  43. Hierarchical Priority Encoder
  44. Inclinometer
  45. LDR Light/Dark Activated Relay Switch (PDF)
  46. Light Barrier Detector
  47. Light/Dark Detector
  48. Light Detector Circuit
  49. Light Detector Circuit 2
  50. Light Sensor with Hysteresis
  51. Lightning Detectors
  52. Machine Vibracion Activated Hour Meter (PDF)
  53. Magnetic Gun
  54. Magnetic Levitation Schematic
  55. Magnetometer (PDF)
  56. Metal Detector
  57. Metal Detector 2
  58. Morse Code Keyer
  59. Nitrogen Spark Generator (PDF)
  60. Nocturnal Animals Whisker
  61. Ograničivač signala
  62. One-Way Audio by Fiber Optic Cable (PDF)
  63. Optička serijska komunikacija
  64. Optoelectronics Circuit Collection (PDF)ns
  65. Parasite Zapper
  66. PBS Switch Debouncing Circuit
  67. PE3342 Programmer Schematic (PDF)
  68. Phase Sound
  69. Plants Watering Watcher
  70. Pljeskom aktivirano paljenje
  71. Pljeskom aktivirano napajanje 2
  72. Programmable Light-Activated Relay
  73. Pulse Width Modulators
  74. Radio Control Interface
  75. Red Box Detection Circuit (PDF)
  76. RJ45 Network Cable Tester
  77. Robotics Projects
  78. Robotski glas
  79. ScrewTerm Controller Schematic (PDF)
  80. Simple BFO metal detector
  81. Simple light sensor adapter for oscilloscope
  82. Soft ON/OFF switch
  83. Solid State Relais
  84. Sound Controlled Filp Flop
  85. Sound Operated Switch
  86. Sound Activated Switch (PDF)
  87. The Tesla Coil
  88. Time Delay Relay
  89. Toggle Switch Debounced Pushbutton
  90. Touch Activated Switch (PDF)
  91. Touch Switch/Plate (PDF)
  92. Touch Switches
  93. Tragač rupa u metalu
  94. Transimpendance Amplifier (PDF)
  95. Use the CD-ROM drive as a audio CD player
  96. Vibrating Pocket Bug Detector
  97. Voice-Activated Tape Recorder Switch (PDF)
  98. Water Activated Relay
  99. Whistle Responder
  100. Zero Beat Circuit

 

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