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Twin T Notch Band Reject Filter
Multiple Feedback Bandpass Filter for Woofer
DIY Turntable and PCB Etching Shaker Circuit
DIY LM386 Audio Amplifier : Datasheet,Circuit,PCB,Hardware
P10 DMD Display With Arduino and RTC DS3231
LDR Based Light Sensor/Detector
MQ2 Gas Sensor/Detector (for Arduino and Other Microcontrollers)
OPAMP(741 Types) AND 555 TESTER
Stereo Amplifier (6W+6W) Using LA4440 IC
Joystick Controlled Remote Car
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