Based on the theory of resistance welding,the paper introduces an AVR microchip-controlled system for resistance solder welding and analyzed the construction of hardware and software about the system.

• 在电阻钎焊基本原理的基础上,介绍了利用AVR单片机设计开发的电阻钎焊控制系统,分析了单片机的软硬件结构。