E103-W01 Ebyte 2.4ghz Serial Uart Wifi 100mw Embedded Pcb Antenna Esp8266 Wireless Module
[IC]：ESP8266EX
[Frequency]：2.402~2.483GHz
[Power]：20dBm
[Distance]：100m
[Interface]：UART
[Weight]：1.5±0.1g
[Introduction]：E103-W01 is 100mW (20dBm) UART-wi-fi module with competitive price. Small-size, embedded PCB antenna, operate at 2.4~2.4835GHz frequency band, with all those features, based on ESP8266EX, transparent transmission is available, easy for user to operate.
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| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | RST | Input | External reset signal (Low voltage level: Active) |
| 2 | ADC | Input | ADC input pin |
| 3 | CH_PD | Input | Module enable, need be pulled up |
| 4 | GPIO16 | Input | Module wake up(from deep sleep state), high level effectively |
| 5 | GPIO14 | Input/Output | GPIO14 |
| 6 | GPIO12 | Input/Output | GPIO12 |
| 7 | GPIO13 | Input/Output | GPIO13 |
| 8 | VCC | - | VDC:3.0V~3.6V（above 300mA） |
| 9 | GND | - | GND |
| 10 | GPIO15 | Input | Start configuration pins (see product manual for details) |
| 11 | GPIO2 | Input | Start configuration pins (see product manual for details) |
| 12 | GPIO0 | Input | Start configuration pins (see product manual for details) |
| 13 | GPIO4 | Input/Output | GPIO4 |
| 14 | GPIO5 | Input/Output | GPIO5 |
| 15 | RXD | Input | UART input pin, support AT command |
| 16 | TXD | Output | UART output pin, support AT command |