GPRS Relay Board

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Revision as of 13:36, 28 May 2020 by Chao (talk | contribs)
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Wiring

Arduino USB-TTL Tool -
TXD RXD -
RXD TXD -
RST DTR -
5V 5V -
GND GND -
  • Board should select Arduino Pro Mini 5V/16M
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