Users Manual

DOITING
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ESP-M1/M2 User Mannual
Doctors of Intelligence & Technology (www.doiting.com) Copyright@2014-2019
Page 3
2. Interface Definition
ESP-Mx
module interface definition is shown as below
Fig. 2.1 ESP-M1 Pin Definition
Fig. 2.2 ESP-M2 Pin Definition
Working mode and pin function is shown in Table 2.1.
Table 2.1 Working mode
Mode
GPIO0 Level
GPIO2 Level
UART Download Mode
Low
High
Flash
Boot Mode
High
High