Ebyte Cost Price WI-FI Digital Wireless Module Esp esp8266 W600 20dBm 2.4GHz Wi-Fi Module Support AT Command
[IC]：W600
[Frequency]：2.4~2.4835GHz
[Power]：20dBm
[Distance]：130m
[Size]：24.7*14.4*11.2mm
[Weight]：1.2±0.1g
[Introduction]：E103-W05A is a low-cost, cost-effective 100mW (20dBm) wifi data transmission module, the module is small in size, onboard PCB antenna, working in 2.4~2.483GHz band, low power consumption, fast data transmission, the module can use serial port for data transceiver and AT command related parameter Settings, secondly.
| No. | Pin item | Direction | Application |
|---|---|---|---|
| 1 | GND | P | Ground wire, connected to the power reference ground |
| 2 | NC | IO | Floating, GPIO0 of the internal chip, programming enable pin, low level enable |
| 3 | NC | IO | Floating, GPIO16 of the internal chip can be used as input and output pins |
| 4 | RXD | I | Serial port receiving pin, support AT command |
| 5 | TXD | O | Serial port sending pin, support AT command |
| 6 | NC | IO | Floating, WAKE pin of the chip, high level wake up |
| 7 | RST | I | Hardware reset pin, low level reset |
| 8 | VCC | P | Power supply, range 3.0～3.6V (standard 3.3V) |