Technical FAQ

Reasons of gibberish are as below: 1.The setting of baud rate, data bits, check bit are not matched between serial device any our converter. 2. Hardware Serial TTL RS232 RS485, they are different level types, cannot be connected directly. Need to be converted via 232 or 485 chip. It is wrong to link TTL to PC
What is FAQ? FAQ is Our company Jinan USR IOT Technology Limited, in order to facilitate users to understand and use my company’s products faster and create plates. We record the solve solutions during we technical support.
Q: Wifi module has no response for a long time,and it must be reset and reconnected. How could this be? A: Pay attention to the design of powe