Simple Mic circuit
  Components List S.No Name Quantity 1. Condenser Mic 1 2. Resistor 10KΩ 1 3. Capacitor 1uF 1 Components List-Mic …
Simple FM transmitter
Frequency Modulation reaches several meters to kilo meter with low power transmitter circuit. Here two transistor based FM circuit diagram …
Audio Amplifier-Lowpower
Simple two stage resistor capacitor coupled amplifier using npn transistor BC547, This circuit works with 12 Voltage bias and two …