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  • Strip LED Lamp
    Strip LEDs are available in different colours powered by direct current (DC) source. These LEDs are available as surface mount devices with...
  • Speech Filter
    In communications receivers and microphone amplifiers for transmitting equipment, there is frequently a need for a narrow, low-frequenc...
  • Inverter 5000 Watt PWM Circuit Diagram
    This is a simple Inverter 5000 Watt PWM Circuit Diagram . This inverter uses PWM (Pulse Width Modulator) with type IC SG3524. IC serves ...
  • Simple Cmos Universal Logic Probe Circuit Diagram
    Simple Cmos Universal Logic Probe Circuit Diagram . Only the CD4009AE hex buffer, two resistors, and two LEDs are required for a logic pr...
  • Simple +12v to +9v converter Circuit Diagram
    This little circuit uses a LM317 variable voltage regulator to adjust the input voltage down to +9 volt, or whatever else you need. Ju...