Espressif ESP8266 Manual

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4. Test Procedure
5.
Running command prompt on the PC again, and input the command shown below to
ping ESP8266 Station (IP address is 192.168.31.181 in this case) as Step 4 shows
above.
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Figure 4-11. PC Pinging the ESP8266 Station
6.
The result of ping test is as shown below:
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Figure 4-12. Ping Test Result!
📖 Note:
The “-n 100” in the ping command specifies that the ESP8266 Station should be pinged 100 times.
Espressif
# /#10 19
2016.09

Espressif ESP8266 Specifications

General

Digital I/O Pins	17
Analog Input Pins	1
Wi-Fi	802.11 b/g/n
Operating Voltage	3.0V - 3.6V
Clock Speed	80 MHz / 160 MHz
Operating Temperature	-40°C to 125°C
Dimensions	24mm x 14mm
Processor	Tensilica L106 32-bit micro controller