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DiscoverCircuits.com -- Hobby Corner
Last Updated on: Wednesday, June 02, 2021 06:28 AM

Hobby Circuits List

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AC Power Control
AC to AC Converters
AC to AC Power Supply


Active Filters

Acquisition / Data Logging

Amplifiers:
  Buffers
  High Frequency

  High Impedance
  High Speed
  Infrared
  Logarithmic

  Low Noise
  Operational
  RF (Radio Frequency)
  Transimpedance
  Video
  Wide Band
Alarm
Annunciator
Antennas
Astable Oscillator
Audio Amplifiers

Audio Oscillator
Automotive

Band Pass Active Filters
Battery Chargers
Battery Monitor
Battery Tester
Beepers & Buzzers
Bistable Multivibrator

Blinkers
Buffer Amplifiers
Burglar

Capacitance Touch Switch
Capacitance Sensors
Charge Pump

Clock
Comparator
Crystal Oscillators
Control

Constant Current

Converters:
  Current to Voltage
  DC to DC
  Frequency-Voltage
  Period to Voltage

  Sine-Square Wave
  Switchmode
  Voltage
  Voltage-Frequency

Counters & Timers
Current to Voltage Converters
Current Loop
Current Monitors
Current Source

Data Logging / Acquisition
DC to DC Power Supplies
Delay
Digital
Driver
Discriminator
Display
Doorbell

FET
Fiber Optic
Flame Detector
Flashers & Blinkers

Flip / Flop
Fluid Level Detectors
Fluorescent Light
Freespace Communication
Freezer / Frost Alarm

Frequency Dividers
Frequency-Voltage Converters

Gadgets
Geophones

H-Bridge
High Frequency Amplifiers
High Impedance Amplifier
High Speed Amplifiers
High Voltage Power Supplies
Hour Meter

Human Motion Monitors

Ideal Diodes
Indicator
Infrared
 

 

Lamp / Lighting Controls
Laser
Latch

LED (Light Emitting Diode)
Light Beam Communication
Light Dependent Resistors
Light Detectors
Light Flashing

Limiter
Liquid Detector
Low Noise Amplifiers
 

Got Designs?
Please eMail
if you want me to link to and/or post your original design Thanks.


Microphone
Micro Power
Models
Moisture Sensors
Monostable
MOSFET
Motion Detectors
Motor Controls
Multivibrator

Musical

Noise Generators
 

One Shot
Opto-Isolator
Optical Sensors

Oscillators:
  Astable
  Audio
  Crystal
  Radio Frequency
  Sine Wave

  Square Wave
  Triangle Wave
  Voltage Controlled


PWM
Passive Filters
Peak Detectors
Period to Voltage Converters
Pink Noise Generation
Piezoelectric
Photography
Photo Flash


Potentiometer
Power Control
Power Failure
Power Line

Power Supplies:
  AC to A - C

  AC to DC
  DC to A - C
  DC to DC
  High Voltage
  Switchmode
  Variable

Probes
Protection
Pulse Generation

Pulse Width Modulators
Push Pull


RFID

Radio Frequency:
  Amplifiers
  Detectors
  Oscillators
  Receivers

  Transmitters

Receiver
Rectifier
Relay
Remote Control
Repeaters
Resistance Meters

RF Amplifiers
RF Detectors
RF Oscillators
 
SCR
Sample & Hold
Safety/Protection
Security

Seismic
Strobe Lights
Switching Regulators

Sensors/Detectors: 

  Capacitance
  Current Monitors
  Flame Detector
  Human Motion
  Light and Optical
  Liquid Sensor
  Motion Detectors
  Peak Detectors
  Position Detectors
  Resistance Meters
  Seismic (Geophones)
  Temperature
  Vibration Monitors
  Voltage Detectors

  Water / Moisture
Signal Generators
Silicon Controlled Rectifier
Sine Wave Oscillators
Sine to Square Wave Converter
Snow Level Sensor
Solar Cells / Panels
Solar Energy Monitors
Solid State Relay
Sound Operated
Square Wave Oscillators
Switch
Switch Mode Power Supplies

Sync Circuits

Telephone
Temperature Alarms
Temperature Sensors/Monitors
Tester
Timers & Counters
Touch Switch
TRIAC

Traffic Counter
Train Models
Transformer
Transimpedance Amplifiers
Transistor
Transmitter
Thermistor

Thermocoupler
Triangle Wave Generators
TV Remote Control

Ultrasonic
Ultrasound
Under Voltage Monitors

VCO
Variable Gain
Variable Power Supplies
Vibration Monitors

Voltage Comparators
Voltage Converters
Voltage Controlled Oscillators
Voltage Detectors
Voltage Monitors
Voltage Regulators
Voltage-Frequency Converters

Water Sensors
Watt Hour Meters
Waveform Generator
Wave Shaping
Wide Band Amplifiers
White LEDs

White Noise Generation
Wireless Telephones

Xenon Lamps
Zero Cross Detectors

Master Schematic Category List - David A. Johnson, P.E.


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