Elektronik Devre Şemaları Arşivi

[Klavyeah]

Devre Şemaları Arşivi

AC power mosfet relay
AC optically isolated solid state relay
AC TO DC power supply +/- 15vdc
AC to 12KV power supply
AC TO +/-5V power supply
Acoustic ultrasonic dog whistle
Acoustic ultrasonic generator
Acoustic ultrasonic range finder
Acoustic ultrasonic intruder detector
Acoustic ultrasonic sound receiver
AM/FM/SW active antenna
AM/FM/SW active antenna
Active antenna HF/VHF/UHF
AM broadcast band active antenna
active 125khz bandpass filter
active high pass filters
active low pass filters
active 60Hz notch filter
adc0804lcn 8bit A/D converter
Acquisition 1wire Barometer
Addressable ADC
Airflow detector
Acquisition Laser data link
Acquisition LCD counter
Acquisition Lie Detector
Aquisition Lie Detector 2
Acquisition barometer
Acquisition Strain-gage sensor
Aquisition Temperature Data Logger
Aquisition Thermostat
Acquisition Ultrasonic Range & Image
Acquisition Micromodem 4-to-8 channel A/D
Acquisition water-level sensor
Acquisition Thermometer project
Acquisition wireless weather station
AirFlow Circuit 1
AirFlow Circuit 2
AirFlow Circuit 3
Aircraft receiver
Aviation Band receiver
Alarm pump motor monitor
Alarm freezing temperature
Alarm electric field monitor
Alarm for power cords
Alarm 4 digit keypad
Alarm 5 zone
Active IR Motion Detector
Alarm motorcycle
Alarm Car Radio
Alarm Low Battery
Alarm Car Battery
Alarm Proximity
Alarm Car Flasher
Alarm Frost
Alarm Lock with PIC
Alarm cut Phone line
Alarm combination lock
Alarm Ultrasonic detection
Amplitude Modulation 4MHz
AM oscillator
Active Antenna
AM Receiver
AM Transmitter
AM RF AMP
AM Broadcast Transmitters
Amplifiers DC to 18GHz
Amplifier high linearity 70Mhz
Amplifier 1Watt 2.3GHz
Amplifier 1Watt 2.45GHz
Amplifier headphone 1.5vdc
Amplifier ear 1.5vdc
Amplifier PreAmp with Control
Amplifier Audio 30W
Amplifier Audio 1.5W 12VDC
Amplifier Audio 10Watt
Amplifier Audio 100Watt
Amplifier Audio 15Watt
Amplifier Audio 18Watt
Amplifier Power
Amplifier Audio 2Watt
Amplifier Audio 20Watt
Amplfier Audio 20Watt
Amplifier Audio 200Watt
Amplifier Equalizer
Amplifier Audio 50mWatt
Amplifier Audio 30Watt
Amplifier Audio 300Watt
Amplifier Audio 4Watt
Amplifier Audio 45Watt
Amplifier Audio 50Watt
Amplifier 60 Watt
Amplifier Audio 8Watt
Amplifier 80Watt
Amplifier 2.4Ghz
Amplifier 900MHz
Amplifier Quadraphonic
Amplifier Optical 5MHz
Amplifier AGC 150MHz
Amplifier wideband
Amplifier 40meter 4Mhz receiver
Amplifier IF receiver
Amplifier IF 7.8MHz
Amplifier IF
Amplifier IF
Amplifier VHF IF
Amplifier 100MHz AGC
Amplifier 500Watt HF
Amplifier 60Watt RF
Amplifier 3MHz 30dB
Amplifier VHF
Amplifier 450-800MHz
Amplifiers Log Converter
Amplifier Log Converter
Amplifier Log Theory
Amplifier Low Noise for PhaseNoise
Amplifier Low Noise
Amplifier TDR
Amplifier Radar
Amplifier Radar
Amplifier application guide
Amplifier LM392 comparator
Amplifier FET OpAmps
Amplfier OpAmps Basics
Amplifier Inverting NonInverting
Amplifier current feedback
Amplfier millivolt output
Amplifier current feedback
Amplifier FM Transmitter
Amplifier intercom
Amplifier Radio
Amplifier photo-transistor
Amplifier photodiode receiver
Amplifier transimpedance 1GHz
Amplifier Transimpedance
Amplifier AGC 40dB
Amplifier variable gain
Amplifier video digitizer
Amplifier video
Amplifier video sync
Amplifier video line selector
A/D serial port driven
A/D video digitizer
A/D Applications
A/D Application ADC1210
A/D microprocessor application
A/D PC oscilloscope
A/D using 555 timer
A/D ADC080x
A/D simple circuit
Analog switch
Analog switch
Analog switch Audio
Analog switch MP3
Antenna loop
Antenna active
Antenna for AM,FM,SW
Antenna for HF, VHF,UHF
Antenna active
Antenna AM loop
Antenna information
Antenna for Ham transmitters
Antenna projects
Antenna HF
Antenna loopstick
Antenna 540-1600KHz
Antenna Q-multiplying
Antenna AM Amplifier
Antenna 915MHz
Antenna Yagi uda
Astable CMOS VCO
Astable Multivibrator
Astable multivibrator
Astable flip-flop circuits
Attenuator potentiometer
Attenuator digital control
Attenuatot TEE
Audio meter
Audio mixer
Audio combiner
Audio 4-input mixer
Audio 6-input mixer
Audio source
Audio FET mixer
Audio high quality mixer
Audio voice over circuit
Audio door phone intercom
Audio high quality intercom
Audio oscillator
Audio level control
AGC circuit
AGC Wideband
AGC 60dB range
Automotive 3rd brake light
Automotive tachometer
Automotive alternator alarm


http://www.schematicmag.com/htm1/freecircuits.htm


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Bandpass filter
Bandpass filter
Bandpass notch filter
Bandpass LC filters
Bandpass Low Cost Filter
Battery Backup
Battery Backup
Battery Charger Solar
Battery charger AC
Battery Charger Alkaline
Battery charger 9V
Battery charger +/-12v
Battery charger NiCad
Battery charger NiCd and NiMH
Battery charger 12V
Battery Charger NiCd
Battery discharge monitor
Battery charger car
Battery charger with 12VDC
Battery charger 12v monitor
Battery charger constant current
Battery charger Gel Cell 6V
Battery charger Gel cell 12V
Battery charger uses LM2576
Battery charger for emergency lights
Battery charger for motorcycles
Battery charger using PIC
Battery charger simple
Battery charger with USB
Battery charger with temperature control
Battery charger lead acid
Battery monitor 12V
Battery monitor microamps
Battery monitor 2.7-5.5V
Battery Tester
Barometer
Beeper 110dB
Beeper 120dB
Buzzer using 555 timer
Beeper battery low
Buzzer
Biomedical brain Wave machine
Biomedical heart rate sensor
Biomedical cardiac monitor
Biomedical Km counter
Biomedical ECG Amplifier
Biomedical EKG circuit
Biomedical Stethoscope
Biomedical Stethoscope
Biomedical heartbeat monitor
Biomedical heartbeat monitor
Biomedical hearing aid
Bistable flip-flop
Bug FM transmitter
Bugging telephone line
Bug telephone tap
Bug detector
Bug wireless microphone
Bug insect zapper
Bug insect repellant
Bug mosquito repellant
Cable Finder Circuit
Camera 12volt stroboscope
Camera adjustable strobe light
Camera beat tracking strobe
Camera Kodak flash unit
Camera photo flashes
Capacitor Behaviour at RF
Capacitance liquid level monitor
Capacitance meter
Capacitance meter femto
Capacitance change over a wide range
Capacitive stud sensor
Capacitive touch alarm
Capacitive 0 to 10pf monitor
Capacitance touch switch
Current mains remote alert
Carrier current transceiver filter
Charger Universal
Charge pump night light
Charge pump 3.3v to 5V
Charge pump Maxim
Charge pump Maxim
Charge pump low quiescent current
Charge pump Maxim
Charge pump Maxim
Charge pump Apnote Maxim
Charge pump Maxim
Charge pump DC/DC Maxim
Charge pump 5V to 3.3V
Charge pump 4.5V to 12V
Charge pump 2.6V to 5V
Charge pump negative reference
Charge pump positive to negative
Charge pump +9V to -9V
Charge pump +9 to +18V,+25V,+33V
Charge pump delivers 50mA
Charge pump 5V to 15V
Chopped amplifier
Chopping amplifier
Clock generator 60Hz
Clock 100MHz for computers
Clock timer
Counter 7 LED
Clock synchronous
Car Clock
Clock divider
Clock doubler
Clock generator
Clock doubler
Clock using AT89c2051
Clock Timebase
Clock using PIC
Clock programmable oscillator
Clock speaking using PIC
Clock VCXO
Clock video signals
Color organ circuit
Color organ circuit
Color organ light
Colpitts oscillator 10.58MHz
Colpitts oscillator UHF
Colpitts for FM
Colpitts VCO 2.15GHz
Colpitts App Notes
Colpitts App Notes
Colpitts Oscillators and other types
Colpitts App Notes
Colpitts oscillator
Colpitts 45MHz to 70MHz
Colpitts VCO 119MHz
Comparator LM392
Comparators App Note
Comparator Light Sensor
Comparator voltage switch
Computer serial port
Computer RS232 ccable
Computer RS-232 to MSK modem
Computer serial port as a thermocouple
Computer 10 Base-T solutions

Computer 18-bit ADC using serial port
Computer RS-232 to RS-422
Computer nullmodem cable
Computer dual port COM switch
Computer RS-232 to PIC microcontroller
Computer self detection for serial devices
Computer switch handles RS-232 and RS-485
Computer bidirectional RS-232 communication
Computer circuit protects input
Computer common RS-232 cables
Computer parallel port
Computer optical link for RS-232 communications
Computer drive LIN with UART
Computer control of relay
Computer joystick
Computer video digitizer
Computer parallel port from serial port
Computer powering devices from parallel port
Computer USB decoding
Computer RS-485 operation
Computer USB notes
Computer ISA48 I/O card
Computer full duplex RS-232C
Computer microprocessor projects
Computer RS232 for PIC16F84
Computer joystick interfaces
Computer low power RS232C
Computer EEprom programmer
Computer 8-channel measurement
Computer waveform generator
Computer thermometer
Computer frequency synthesizer
Computer RS232 connections
Constant current SCR
Constant current amplifier
Constant current battery charger
Constant current load
Contact bounce circuit
AC to AC grounding and shielding
Converter Ac to AC transformer for mHZ signals
Converter AC to AC transformers
Converter AC to AC regulators
Converter AC to AC step-down converter
Converter AC to DC RMS detector
Cosine circuit
Crystal filter
Crystal filter
Crystal oscillator 32.768KHz
Crystal oscillator 40KHz
Crystal oscillator 1KHz
Crystal oscillator 1MHz
Crystal oscillaotor HCMOS
Crystal oscillator low distortion
Crystal oscillator for 1sec Time base
Crystal oscillators Applications ILSI
Crystal oscillator pierce
Crystal oscillator pierce-gate
Crystal oscillator study
Crystal oscillator 5-20MHz
Crystal App note
Current loop temperature sensor
Current loop interface
Current AC detector
Current sensing instrumentation amplifier
Current sensing using MAX4372
Current monitor for high voltages

http://www.schematicmag.com/htm1/freecircuits_2.htm

[Klavyeah]

Devre Şemaları Arşivi

DC to AC 12volt auto inverter
DC to AC 12VDC to 120AC
DC to AC inverter
DC to AC high voltage inverter
DC to 110V inverter
DC to DC voltage divider
DC +9V to -9VDC
DC 4-14V to 3.3VDC
DC to 10Kv-30Kv converter
Dc 20V to 5v 20watt converter
DC Li-ion battery to 3.3v converter
DC Li-ion battery to 3.3v converter
DC 6v to 12v converter
DC 12v to 80VDC converter
DC 0.8-5.5VDC to +5/+10/-5VDC converter
DC 12VDC to +5/-5VDC converter
DC 12VDC to -5VDC converter
DC 12VDC to 180VDC converter
DC 3VDC for relay activation
DC 1.8VDC to 3/5VDC
DC 2.7VDC to 5V coilless
DC positive to negative converter
DC 100-400VDC to +15/-15VDC
DC 2-6VDC to negative converter
DC 3VDC to 85VDC converter
DC 9VDC to +12/-12VDC
DC to DC conversion without inductors
DC 5VDC to 3.3/12 VDC
DC 36-57VDC to 3.3V/2A
DC 36-72VDC to +/-135VDC
DC 10-16VDC to -24/-5/1.5/3.3/5/12/58VDC
DC negative 36-72VDC to -5/2.5/3.3/5/8VDC
DC 48VDC to +5VDC/5A
DC to DC layout guidelines
DC 24vDC to +5 low cost
DC 8-15VDC to 5VDC/3A
DC 12VDC to -12VDC
DC positive to negative converter using 555
DC 6VDC to -9/+9/150VDC
DC 5VDC to -5VDC
DC 5VDC to 12/-12VDC
DC 36-80VDC to 3.3VDC/2A
DC 555 step down power supply
Decibel meter
Decibel peak-reading meters
Delay circuit 5Min.
Delay circuit analog
Delay compensation for video
Delay timer 2-3 hours
Delay windshield wiper
Demodulator asynchronous
Demodulator clock recovery
Demodulator costas loop
Demodulator QPSK
Demodulator BER meter
Digital readout 7 segment
D/A Applications multiplying
Dimmer 120VAC
Dimmer 230VAC
Dimmer Lamp
Dimmer neon
Dimmer regular load
Divider frequency circuits
Doorbell circuit
DTMF generation
DTMF products
Electronic lock using PIC16F84
Electronic combination lock
Electronic card lock system
Electronic combination lock with AVR
Electronic combination lock with PIC
Electronic 5 digit alarm keypad
Electronic lock (dongles)
Emergency backup light
FET buffer
FET 25W amplifier
FET amplifier
FET preamp cable
FET based gain control
FET micro spy
FET current sensing
FET power amplifiers
FET replaces switch
FET as a temperature sensor
Field strength meter
Field strength meter
Field strength meter
Field strength meter
Filter Chroma
Filter High Pass 10Khz
Fluid level detector capacitive type
Fluid level sensor
Fluid level detector
Fluorescent Lamp driver
Fluorescent Lamp inverter 40W
FM Receiver
FM transmitter
FM bug
FM 3v transmitter
FM Beacon Broadcast transmitter
FM booster
FM broadcast transmitter
FM telephone bug
FM transmitter
FM low power transmitter
FM long range transmitter
FM modulators
Frequency meter using PC
Frequency counter using 68HC11
FSK modulator
Frequency synthesizer at 2GHz
Frequency to voltage converter
Function generator




http://www.schematicmag.com/htm1/freecircuits_3.htm


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Hartley FM transmitter
Hartley oscillator
Hartley oscillator electronic canary
Hartley oscillator
Hartley VFO
Hartley wildlife tag
High frequency notch filter
Humidity and temperature measurement
Humidity transmitter
Humidity and temperature measurement
Humidity signal conditioning
Indicator 4 line telephone status
Indicator battery monitor
Indicator 3-level audio power
Indicator 50MHz frequency counter
Indicator battery charger
Indicator rate-of-change battery charger
Indicator blown fuse
Indicator cut phone line
Indicator CW tuning DTMF
Indicator fuse monitor
Indicator hot water tank heat
Indicator parking aid
Indicator phone line in use
Indicator telephone circuits
Indicator telephone headgear
Indicator water level
Indicator water level controller
Indicator water level
Infrared Transmitter
Infrared Receiver
Infrared 40KHz oscillator
Infrared info
Infrared receiver general
Infrared motion detector
Infrared cordless headphone
Infrared receiver
Infrared laser detector
Infrared control tester
Infrared transmitter
Instruments frequency counter
Instruments inductance meter
Instrumentation amplifier
Intensity Measurement
Integrator circuit
Integrator blocks for filter designs
Integrator theory
Integrator opamp
Integrator opamp
Intercom doorphone
Intercom system
Intercom system
Jacob's Ladder
Joystick build your own
Joystick Port
Joystick port
Joystick schematic
Joystick port as input
Keypad DTMF coder
keypad 4 digit
Keypad using 1 pin
Keypad using PIC16C54
Keypad using PIC16C620A
Light Bulb Regulator




http://www.schematicmag.com/htm1/freecircuits_4.htm

[Klavyeah]

Devre Şemaları Arşivi

Magnetic field detector
Magnetic field detector
Magnetic gun
Magnetic levitation
Magnetic radiation remote control
Magnetometer
Magnetic card lock
Metal detector
Metal detector
Metal detector
Metal detector
Meter for stereo
Microprocessor PIC16C508 tricks
Microprocessor PIC16C84 LCD interface
Microprocessor 68HC11 RDS decoder
Microprocessor 68HC11 external clock
Microprocessor 68HC11 stepper motor control
Microprocessor 68HC11 synthesizes sine wave
Microprocessor 8051 development circuit
Microprocessor PIC notes
Microprocessor AT89c2051/4051 downloader
Microprocessor AT89c2051/4051 terminal connection
Microprocessor AT89c2051/4051 7 segment display
Microprocessor AT89c2051 night light saver
Microprocessor AT89c2051 real time controller
Microprocessor AT89c2051 LED driver
Microprocessor 89c51/52/55 downloader
Microprocessor Atmel 8051 programmer
Microprocessor AVR AT9052313 IR detector
Microprocessor AVR beacon keyer
Microprocessor AVR digital voltmeter
Microprocessor AVR frequency counter
Microprocessor AVR motor controller
Microprocessor AVR signal generator
Microprocessor PIC DDS 0 to 6MHz
Microprocessor watchdog circuit
Microprocessor PIC16F84 combination lock
Microprocessor PIC connecting LEDs
Microprocessor PIC12c508 to 93AA46 Eprom
Microprocessor AT90s2313 temperature sensor ds1820
Microprocessor PIC electronic lock
Microprocessor Z80
Microprocessor PIC 16c84 FSK modulator
Microprocessor PIC projects
Microprocessor PIC LCD interface
Microprocessor PIC IR remote
Microprocessor AT90s8515 DRAM interface
Microprocessor PIC16c508 interfacing
Microprocessor PIC16c54 LCD interface
Microprocessor PIC noise generator
Microprocessor measures light intensity
Microprocessor PIC in-circuit serial programming
Microprocessor interface circuits
Microprocessor PIC18/PIC16 programmer
Microprocessor PIC 5x7 display
Microprocessor PIC stepper motor control
Microprocessor PIC16f84 encoder
Microprocessor PIC demo board
Microprocessor PIC LCD and keypad interface
Microprocessor PIC logic probe
Microprocessor PIC programmer
Microprocessor PIC programmer
Microprocessor PIC16f84 CW decoder
Microprocessor PIC16F84 programmer
Microprocessor PIC16F84 tone generator
Microprocessor PIC tone generator
Microprocessor PIC digital clock
Microprocessor 68HC705c8 programmer
Microprocessor PIC speaking clock
Microprocessor PIC speaking doorbell
Microwave radar detector
Microwave radar detector
Mixer SBL-1 circuit
Modem 900MHz transceiver
Modulator FSK
Modulator video
Modulator FSK
Modulator phase discrimination
Monostable using 555
Monostable flip-flops
Monostable frequency discriminator
Mosfet 25w amplifier
Mosfet 200w amplifier
Mosfet power amplifiers
Mosfet switch
Noise generator pink
Noise with PIC
Noise generator
Noise generator white noise
Noise source
Noise generator white
Noise filter
Noise filter
Notch filter 60Hz
Notch filter variable
notch filter high frequency
notch filter helical resonator
Notch filter uses lowpass filters
Notch filter RC type
Opamp application guide
Opamp building blocks
Opamp I-to-V conversion
Opamp current feedback
Opamp output goes to zero
Opamp FM transmitter
Opamp RF oscillators
Opamp high input impedance
Oscilloscope 1-GHz sampling front end
Oscilloscope 4 channel DSO
Oscilloscope jitter
Oscilloscope PC based
Oscilloscope high frequency probe
Oscilloscope NTSC sync circuit
Oscillator 200MHz to 400MHz
Oscillator 50 to 50KHz
Oscillator NE602 circuit
Oscillator simple RF
Oscillator opamps for RF
Oscillator RF uses current_feedback
Oscillator RF 350MHz-500MHz
Oscillator 1KHz sinewave
Oscillator opamp 1MHz
Oscillator DSP
Oscillator analog from digital
Oscillator generates 0 to 360 phase shifts
Oscillator low frequencies tuned
Oscillator opamp for RF designs
Oscillator 10KHz to 200KHz
Oscillator low frequency
Oscillator App notes
Oscillator sine wave low frequency
Oscillator 150Hz to 150KHz
Oscillator crystal accurate
Oscillator sine/cosine
Oscillator Wien bridge
Oscillator harmonic
Oscillator 90MHz VFO
Oscillator VCO UHF
Oscillator current-to-voltage
Oscillator PIC controlled DDS
Oscillator VCO 50Hz to 1KHz

http://www.schematicmag.com/htm1/freecircuits_5.htm


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Pedometer
Pedometer
Phase detector
Phase meter
PLL synthesis
PLL application notes
PLL clock generators
PLL LM565
Phase-locked digital synthesizer
PLL synthesizing oscillator
PLL synthesizing oscillator
PLL for FSK
Phase shifting circuit
Phase shifting using digital control
Phase shifter
Phase shifter
Photo flash at 1.5v
Photo flash charger
Photo timer circuit
Piezo amplifier 1KV
Piezoelectric alarm
Position parking aid sensors
Position sensor
Potentiometer cmos IC
Potentiometer digital for difference amplifier
Potentiometer corrects for system drift
Potentiometer controls LCD bias
Potentiometer converts voltage to resistance
Potentiometer LED dimmer
Potentiometer for programmable oscillator
Power line detector
Power meter
Power meter
Power Supply Universal
PreAmplifier with Control
Pressure air sensor
Pressure sensing for water-tank
Probe circuit RF
Probe RF 125MHz
Pulse width modulator
Pulse width modulators
Quad 303 circuit
Quad 33 CD conversion
Quad 33 circuit
Quad 405 circuit
Quad AM2 circuit
Quadrature digital delay
Quad 50E circuit
Quad op amp
Quad video amp
Quadraphonic amplifier
Radar detector
Radar detector
Radar ultrasonic detector
Radar detector
Radiation detector gamma-photon
Radiation geiger counter
Radiation geiger counter
Radiation geiger counter
Ramp Generator
RFID receiver
RFID circuit kit
RFID development kit EM4095
RFID tag reader
Rain detector
Rain detector
Receiver with microvolt sensitivity
Receiver 136.650KHz
Receiver 30Metre
Receiver 4.5MHz to 10MHz
Receiver 40metre
Receiver 40metre
Receiver/transmitter 49MHz, 434MHz, 315-950MHz
Receiver 50MHz
Receiver 80metre
Receiver 80metre
Receiver aircraft
Receiver induction
Receiver FM
Receiver AM
Receiver AM aircraft
Rectifier uses no diodes
Regulated 12V supply
Regulated bench top power supply
RF linear 30W amplifier
RF 500Watt amplifier
RF 60 watt amplifier
RF broadcast-band amplifier
RF VHF amplifier
RF UHF preamplifier
RF CMOS synthesizer
RF CMOS synthesizer
RFID 13.56MHz
RFID receiver
RFID kits
RFID kits
RFID tag reader
RMS measurements circuit
RMS to DC converter

http://www.schematicmag.com/htm1/freecircuits_6.htm

[Klavyeah]

Devre şemaları Arşivi

Safety RFI protection for line inputs
Sawtooth waveform generator
Sawtooth generator
Sawtooth generator
Sawtooth wave oscillator
Schmitt trigger programmable
Schmitt trigger
Schmitt trigger has dynamic threshold
Sensor accelerometer
Sensor accelerometer
Sensor airflow
Sensor airflow
Sensor airflow
Sensor airflow
Sensor airflow
Sensor oxygen
Sensor for studs
Sensor for currents
Sensor for flames
Sensor for flames
Sensor gas
Sensor gas
Sensor gas
Sensor TGS813 for gas
Sensor notes on gas
Sensor humidity
Sensor humidity
Sensor humidity
Sensor humidity using FM transmitter
Sensor light
Sensor light direction
Sensor light intensity
Sensor light
Sensor liquid for toilet tank
Sensor fluid level
Sensor water level
Sensor water level
Sensor electromagnetic field
Sensor electromagnetic field
Sensor geomagnetic field
Sensor magnetic levitation
Sensor metal detector
Sensor metal detector
Sensor metal detector
Sensor metal detector
Sensor PIR Infrared motion
Sensor air pressure
Sensor water-tank pressure
Sensor vibration
Sensor RF detector
Sensor surveillance detector
Sensor gamma photon
Signal generator variable frequency
Signal generator using DDS
Signal generator using DDS
Signal generator low cost
Signal generator using PIC
Signal generator video
Switch pcb softtouch
Telemetry FSK modulator
Telephone 900MHz transceiver
Telephone shared into 9 lines
Telephone caller ID
Telephone DTMF decoder
Telephone caller ID
Telephone ID decoder
Telephone caller ID display service
Telephone cellular calling detector
Telephone customized ringer
Telephone in use detector
Telephone circuit vocalizes number
Telephone cut line detector
Telephone cut line detector
Telephone ring detection
Telephone DSL filter
Telephone interface
Telephone line status
Telephone music-on-hold
Telephone in use circuit
Telephone off-hook indicator
Telephone FCC specs
Telephone amplifier
Telephone dialer
Telephone circuits
Telephone hold circuit
Television video enhancement circuit
Television 10GHz video link
Television RGB video digitizer
Television video switch
Television accurate sync signals
Television closed-caption decoder with PIC16F628A
Television video on twisted-pair
Television digital video processor
Television VGA monitor driver
Television generate video signals
Television video amplifier
Television LH0032 video amplifier
Television LM359N video amplifier
Television audio-video RF transmitter
Television RY/BY/Y to NTSC composite video
Television app notes Maxim
Television video digitiser
Television NTSC to VGA converter
Television RF modulator
Television S-video selector
Television S-video to composite video
Television S-video to VGScan converter
Television sync seperator
Television video generator
Television video line selector
Television video sync trigger generator
Television video trigger circuit for oscilloscopes
Television video pattern generator
Television video switch
Television video/audio wireless transmitter
Thermometer digital
Thermostat electronic
Thermostat heating system
Temperature controller LM3911
Temperature control circuits
Temperature controller usind AT89CX051
Temperature monitor
Temperature monitor
Temperature programmer
Temperature regulator
Temperature monitor
Thermometer AD590
Thermometer DS1620
Thermometer digital
Thermometer LCD
Thermometer PC
Thermocouple interfaces to serial port
Thermometer digital
Timer for Labs
Triac circuit
Triac dimmer

http://www.schematicmag.com/htm1/freecircuits_7.htm


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UHF 433Mhz Transmitter
UHF 433Mhz Receiver
UHF VCO
UHF remote control
UHF 100w amplifier
UHF oscillator
UHF preamplifier
UHF VCO
Ultrasound using PIC
Ultrasonic rangefinder
Ultrasonic detector
Ultrasonic generator
Ultrasonic motion detector
Ultrasonic parking sonar
Ultrasonic pest repeller
Ultrasonic radar
Ultrasonic range & imager
Ultrasonic range finder
Ultrasonic circuits
Ultrasonic switch
Unijunction transistor
UPS supply
UPS for USB devices
USB Interface Circuit
Variable gain amplifier
Variable gain amplifier low noise
VHF 20dB amplifier
VHF low-pass filter
VHF beacon transmitter
VHF transmitter
VHF/FM transistor radios
VHF/UHF TV modulator
Video Chroma filter
Video amplifier
Video S-to-composite
Video amplifier
Video Camera Intruder Detector
Voltage doubler
Water level alarm
Water level reference design
Water level sensing circuit
Water level sensor
Wattmeter AC
Wattmeter
Waveform conversion
Wideband AGC
Wideband white noise generator

http://www.schematicmag.com/htm1/freecircuits_8.htm

[Klavyeah]

Simple Uhf Am Receiver
400mhz Receiver Using Analog Device's Vga
10khz High Pass Filter
50 To 500khz Oscillator
high Linearity Rf Agc Amplifier
radio Fm Receiver
uhf 433mhz Transmitter
uhf 433mhz Receiver
capacitor Behaviour At Rf Frequencies
dc To 8ghz Simple Amplifiers
direct-conversion Mixer Using Sbl-1-1 Dbm
rfid 13.56mhz Receiver Circuit
ne-602 Voltage-to-frequency Oscillator Designs
general Circuits
preamplifier With Tone And Bass Control
video Camera Intruder Detector
ramp Generator
usb Interface For Pc
lab Timer Using St7lite09
chroma Filter
pcb Softouch Switch
30 Watt Audio Amplifier
universal Power Supply
s-video To Composite Converter
led Meter For Stereo Applications
ac Cable Detector
telephone Amplifier
universal Battery Charger
ultrasound Radar Using Pic16f628
125mhz Rf Probe For 20mhz Oscilloscopes
light Bulb Regulator
9 Channel Ir Transmitter Using Pic Microcontroller
9 Channel Ir Receiver Using Pic16c55 Microcontroller
intensity Light Measurement Meter

http://www.schematicmag.com/htm1/monthly_folder/paid_page.htm

[_Galvanize_]

ya arkadaşlar bana DSHT devresi lasım bu saati, hava sıcaklığını, nemi ayarladığımız zaman aralıklarında göstericek devre hangisi acaba bana kalırsa vardır arasında ama bi yardımcı olursanız şu öğrenciye çok iyi olur şimdiden danke schön

[batınay]

sn üstadlar acil olarak ph ölçer devre şemasına ihtiyacım var yardımcı olurmusunuz.

[can_01]

saatlerdir ups devre şeması arıyordum valla beni büyük bir dertden kurtardınız cok teşekkürler

[ferhat41]

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