Miscellaneous Schematics
- 1uS Light Pulse Detector Circuit (PDF)
- 1uS Pulse Discriminator & Pulse Stretecher (PDF)
- 1490 Digital Compass
- 2MHz Fiber Optic Light Probe (PDF)
- 40 KHz Modulated Light Receiver Circuit (PDF)
- 5MHz Optical Fiber Light Probe (PDF)
- 741 Light/Dark Sensor
- 75MHz Optical Fiber Light Probe (PDF)
- Analogue Opto Isolator
- Analogue Pulse Counter
- An Inexpensive APRS Weather Station
- Assorted ASCII Schematics V1.00
- Auto Shut-Off for Cassette Players and Amplifiers (PDF)
- Automatic Heat Detector (PDF)
- Automatsko isključenje
- Battery Powered Dust Monitor (PDF)
- Battery Powered Optical Interrupter (PDF)
- Bang Bang Heater
- Building a FRED Photopopper
- Burdette switcher
- Cable Descrambler
- Capacitive Sensor
- CD4013 One-Shot and Latch Circuits (PDF)
- Charge Cupled Mosfet Relay (PDF)
- Chua's Circuit
- Dark Activated Switch
- Dark/Light Activated Relay
- Darkness Monitor
- Decimal to BCD Convertor
- Digital dial
- Dual Hi/Lo Switched Relay Board (PDF)
- Earclip Pulse Detector
- Electronic Card-Lock System (PDF)
- Elektronska zamena glasa
- Exclusive-Or Gate Applications (PDF)
- Finger Activated Switch Circuit (PDF)
- Flash Slave Trigger
- Fluid-Level Sensor
- Fogger Controller
- FSK Modulator
- G STRAIN ENERGY ABSORBER
- Geiger Counter
- Hierarchical Priority Encoder
- Inclinometer
- LDR Light/Dark Activated Relay Switch (PDF)
- Light Barrier Detector
- Light/Dark Detector
- Light Detector Circuit
- Light Detector Circuit 2
- Light Sensor with Hysteresis
- Lightning Detectors
- Machine Vibracion Activated Hour Meter (PDF)
- Magnetic Gun
- Magnetic Levitation Schematic
- Magnetometer (PDF)
- Metal Detector
- Metal Detector 2
- Morse Code Keyer
- Nitrogen Spark Generator (PDF)
- Nocturnal Animals Whisker
- Ograničivač signala
- One-Way Audio by Fiber Optic Cable (PDF)
- Optička serijska komunikacija
- Optoelectronics Circuit Collection (PDF)ns
- Parasite Zapper
- PBS Switch Debouncing Circuit
- PE3342 Programmer Schematic (PDF)
- Phase Sound
- Plants Watering Watcher
- Pljeskom aktivirano paljenje
- Pljeskom aktivirano napajanje 2
- Programmable Light-Activated Relay
- Pulse Width Modulators
- Radio Control Interface
- Red Box Detection Circuit (PDF)
- RJ45 Network Cable Tester
- Robotics Projects
- Robotski glas
- ScrewTerm Controller Schematic (PDF)
- Simple BFO metal detector
- Simple light sensor adapter for oscilloscope
- Soft ON/OFF switch
- Solid State Relais
- Sound Controlled Filp Flop
- Sound Operated Switch
- Sound Activated Switch (PDF)
- The Tesla Coil
- Time Delay Relay
- Toggle Switch Debounced Pushbutton
- Touch Activated Switch (PDF)
- Touch Switch/Plate (PDF)
- Touch Switches
- Tragač rupa u metalu
- Transimpendance Amplifier (PDF)
- Use the CD-ROM drive as a audio CD player
- Vibrating Pocket Bug Detector
- Voice-Activated Tape Recorder Switch (PDF)
- Water Activated Relay
- Whistle Responder
- Zero Beat Circuit