Ai-Thinker Technology ESP-12F - 4.1. Recommended Operating Conditions; 4.2. AT commend Testing

ESP-12F User Manual
Shenzhen Ai-Thinker Technology Co., Ltd http://www.ai-thinker.com
11
Rating
Condition
Value
Unit
Storage Temperature
-40 to 125
℃
Maximum Soldering Temperature
260
℃
Supply Voltage
IPC/JEDEC J-STD-020
+3.0 to +3.6
V
4.1Recommended Operating Conditions
Table 7 Recommended Operating Conditions
Operating Condition
Symbol
Min
Typ
Max
Unit
Operating Temperature
-40
20
125
℃
Supply voltage
VDD
3.0
3.3
3.6
V
4.2.AT commend Testing
1.Hardware connection
As shown in Figure 7, ESP-12F via a USB to TTL Tool connected to the computer, software tool through the serial
port on the computer can be AT instruction test
Figure 7 ESP-12F connect with computer
4.3.AT commend
Espressif AT instruction set functions and methods of use