ESP-01/07/12 Series Modules User's Manual V1.4
Table Of Contents
1 Product Overview .............................................................................................. 1
1.1 Product Features ..................................................................................... 1
1.2 Application Plan ..................................................................................... 1
2 Module Interface ................................................................................................ 2
2.1 Package Size ........................................................................................... 2
2.1 Pin Definition ......................................................................................... 6
2.2 Boot Mode .............................................................................................. 7
3 Electrical Characteristics ................................................................................... 8
3.1 Maximum Ratings .................................................................................. 8
3.2 Suggested Working Environment ........................................................... 8
3.3 Digital Port Features ............................................................................... 8
3.4 Power Consumption ............................................................................... 8
3.5 Transmit Power ..................................................................................... 10
3.6 Receive Sensitivity ............................................................................... 10
4 Hardware Guidance ......................................................................................... 11
4.1 Typical Applications ............................................................................. 11
4.2 PCB Antenna Display Instructions ....................................................... 13
4.3 Module Peripheral Routing Instructions ............................................... 14
4.4 GPIO Level Conversion ....................................................................... 15
4.5 Power Supply Reference Design .......................................................... 15
4.6 ADC Supply Reference Design ............................................................ 15
4.7 Automatically Download Reference Design ........................................ 16
4.8 Reflow oven temperature curve ............................................................ 16
5 Usage Guide .................................................................................................... 17
5.1 Introduction To The Basic AT Command ............................................ 17
5.1.1 AT .............................................................................................. 17
5.1.2 AT+GMR .................................................................................. 17
5.1.3 AT+RST .................................................................................... 17
