Robotic Circuits

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Hi-Fi stereo Preamplifier with tone controls
Temperature Sensor
Harmonic Generator
digital thermometer with data
motion sensor using pir sensor module
pic thermometer
arduino circuit
fan 220v ac speed control
pwm lamp dimmer using ne555
Mobile cell phone detector (sniffer) circuit diagram: engineering and diploma project
250mW audio amplifier
0-40V lab power supply circuit diagram electronic project using LM723 L146
Tube 3TF7 Current Regulator
Magnetic Phono Cartridges Transistor RIAA Preamp
High and low frequency signal generator circuit diagram
Hybrid power amplifier 01