Difference between revisions of "SIM7080"
(No difference)
|
Latest revision as of 20:48, 4 January 2021
Pin definition 01
Pin definition 02
- Please try to add pull up or pull down resistors on serial uart TXD RXD line, when you occur any communication problems (no response, wrong data output, garbled)
- To use 3V3 logic serial, please feed 3V3 from pin of external power power supply, the board does not provide 3V3 power supply.