Study of the Self-Potential Method Based on STM32

To measure the electric field generated by Self-potential weak signals,we proposed STM32-based submarine Self-potential detection system.The weak signal detection plays the key role in the system,this system uses instrument op-amp for amplification treatment of weak signal,then transmits data to the microcontroller after AD transform,and the microcontroller outputs the collected data through a serial port.It is easy to view the measurement result.The experiments prove that the system can be successfully applied on hydrothermal sulfide ore exploration.