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  • Controlling Raspberry Pi GPIOs from the command line (MIC032E)

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  • Isolated Shields For Arduino and Other Microcontrollers (MEC031E)

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  • Stepped Timer (ART726E)
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Circuit Bench

  • Sinusoidal to Square Converter (CB12150E)

      This circuit uses a JFET CA3140 operational amplifier to convert a low frequency sinusoidal signal...

  • 1 W amplifier with the LM390 (CB13753E)

      This circuit is from the National Semiconductor Audio Handbook. The amplifier operates with 6 V...

  • Headphone Amplifier (CB24050E)

      This simple amplifier was found in a Radio Electronics magazine from July 1970. The transistors are...

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