The Schematic diagram for the MAX4466 Microphone Amplifier Module is given below. The circuit consists of bare minimum components. As we know the main component is the MAX4466 chip. Along with the ...

The circuit diagram of a dual microphone preamplifier is shown in Fig. 1. It is built around two electret microphones (MIC1 and MIC2), ... (CON3 and CON4) can be directly connected to an ADC, MCU kit, ...

Arduino Based Spy Bug – Schematic Diagram. The complete Schematic diagram for the Arduino Based Spy Bug is shown below. The brain of the project is the Arduino Nano that you can see in the schematic.