Soil detection and remediation device

The invention relates to the technical field of environmental protection, and provides a soil detection and remediation device which comprises a sensor interface circuit and a heating unit which are connected with a main control circuit, the sensor interface circuit is used for being connected with an organic matter detection sensor, and the temperature control circuit comprises an oscillation branch circuit, a time base chip U1, a frequency decoding chip U2 and a relay K1. The oscillation branch circuit comprises a resistor R1, a thermistor R2 and a capacitor C1 which are connected in sequence, one end of the resistor R1 is connected with the RST end of the time base chip U1, the end, connected with the resistor R2, of the capacitor C1 is connected with the TRIG end of the time base chipU1, the other end of the capacitor C1 is grounded, the OUT end of the time base chip U1 is connected with the IN end of the frequency decoding chip U2, the OUT end of thefrequency decoding chip U2 isconnected with a coil of a