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Posts
- Category: Audio
- 10 W amplifier using TDA2003
- 18 Watt Power Amplifier using TLE2141C
- 2-Way Active Crossover with Linear Phase Response Using a TL072
- 200 MHz Cascode Amplifier Circuit
- 3 Band Equalizer Using TL072
- 300 Watt Subwoofer Power Amplifier
- Audio level meter using LM3915
- Audio Perimeter Monitor System
- Audio Voice-Over Circuit using LM380
- Circuit Delay and Speakers Protektor Using TL071
- ECM Mic Preamplifier
- Hearing aid circuit diagram using transistors
- HI-FI STEREO Simple Amplifier
- High-Pass Filter 20Hz to 200HZ Using TL072
- Mini Simple Buzzer Electronic
- Pre-Amp Equalizer Using TL074
- Simple Audio Level Indicator Circuit uses 3 LEDs
- Simple Circuit Mini Bicycle Bell
- Simple Filter 300Hz to 3KHZ using TL072
- Simple Stereo Preampifier
- speaker to microphone circuit converter
- Stereo indicator of the balance using uA741
- Tone Control Using TDA1524
- Category: Basic Function Circuits
- 0 to 360 Phase Shifter Circuit
- 4-Channel Commutator Circuit
- Current Monitor Using JFET
- JFET Nixie Drivers Circuit
- Level-Shifting-Isolation Amplifier Circuit
- Negative Voltage Reference Circuit
- Positive Voltage Reference Circuit
- Schmitt Trigger Circuit
- Simple Analog Multiplier Circuit Using LM107
- Simple Inverting Amplifier USing LM101
- Simple Precision Current Source Circuit
- Wein Bridge Sine Wave Oscillator LM101
- Wien Bridge Sine Wave Oscillator Circuit Using LM107
- Category: Controller
- 73 MHz Hallogene Radio-Controlled Lights
- Alternative on-off switch circuit using 4069
- Audio Perimeter Monitor System
- Automatic fan controller uses the temperature
- Automatic Street Light Controller Circuit
- DC Motor Speed Control with PWM using NE555
- Digital volume control using CD4067
- Door Handle Alarm
- DTL-TTL Controlled Buffered Analog Switch
- Fluid Level Control System Using the LM1830
- Linearized Thermometer Circuit
- Motor Speed Control Circuit USing LM3524
- NiCad Battery Charger
- PWM motor speed control using C4093
- Radio Remote Control Using DTMF
- Radio-controlled toy car.
- Security system with anti-theft alarm
- Simple Hot Water Level Indicator Using NTC
- Simple Intercom Circuit Transistor
- Simple Power Saving Devices
- Simple Water Level Indicator
- Temperatur Controller Using LM392
- Time Delay Relay Circuit Using 555
- Utilizing LDR For Alarm lamp
- Voltage Level Indicators for battery Using LM324
- Water Activated Relay
- Category: Converter
- 4-Channel Commutator Circuit
- Converting current to voltage transducer circuit Using LM107
- Exponential V/F Converter For Electronic Music
- Simple PC Serial Port Buffer Using transistor
- Simple Telephone Transmiter
- speaker to microphone circuit converter
- Temperature To Pulse Width Converter Circuit Using LM3524
- USB to RS232 converter Using FT232
- Category: Detector
- Door Handle Alarm
- Fluid Level Control System Using the LM1830
- Metal detector Using TDA 2822
- Mosquito Repellent Schematic
- Motion Detector Sensor Circuit
- Motion Detectors with Infrared Sensors
- PCB Circuit Board Simple Rain Alarm
- Simple Automatic Air Flow Detector Circuit and Circuit Board
- Simple Hot Water Level Indicator Using NTC
- Simple Rain Alarm Circuit Using NE 555
- Simple Voltage comparator using CA3140
- Simplified scheme of vibration sensor using a CA3094
- Static Detector Negative Ion Detector
- Utilizing LDR For Alarm lamp
- Water Activated Relay
- Category: Lighting
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