The power supply is unstable. Nanjing Qinheng Microelectronics Co., Ltd. is an enterprise mainly engaged in instrument manufacturing. According to the enterprise information, the company is mainly engaged in the research and development and sales of new integrated circuits and chips. The reason why the chip is unstable is that the power supply is unstable. Users can contact the after-sales department for replacement. Due to the company's good service level, its reputation in the industry is among the best.