Hardware test engineer requires 1, computer related major, good English reading and writing, great interest in hardware, and usually pays more attention to this aspect; 2. Master the hardware structure, application technology and product performance of hardware products; 3. Skillfully use various software and hardware testing tools, and be able to independently build a software and hardware testing platform.

What hardware test engineers need to learn includes: 1, basic knowledge ①R&D is public knowledge; ② Test methods of switching power supply and PWM inverter drive; (3) The technical principle of DSP or single chip microcomputer and the hardware test method of control panel; ④ Test methods of electromagnetic compatibility and safety; ⑤ Complete the machine transmission test, various protection tests and extreme work tests. 2. Operating instruments: EMC tester, ESD tester, extreme laboratory motor system, oscilloscope, constant temperature and humidity tester, temperature rise tester, electronic load tester, etc. 3. Business knowledge ① Master the topology of the company's existing switching power supply (including working principle, main circuit calculation, main performance parameters, typical waveforms, etc.). ) and understand other typical topologies of the power industry; ② Master the basic working principles of inverter main circuit and IGBT drive circuit; ③ Master the basic working principles of DSP or MCU control circuit, signal processing and input/output interface circuit; ④ Familiar with RS485 and ModBus industrial control bus physical layer interface circuit; ⑤ Familiar with national standards and safety regulations related to electromagnetic compatibility of frequency converters; ⑥ Be familiar with the company's product development process, and define the roles and responsibilities of the pilot engineer in the product development stage.