To meet the intelligent and portable requirements of nuclear radiation detecting instruments,the hardware and software implementation methods about MSP430F169-based multi-probe nuclear radiation survey meter is discussed.On the basis of introducing whole system,the key issues in instrument design is described in detail,the principle which provided high-voltage for multiple probes with MCU and the implementation of data transmission connected with multiple probes are discussed,in addition,the schematic of MCU peripheral circuits are also presented.The experiment proves that this instrument can ...