The module is based on the ESP8266 chip. The module inherits the transparent transmission function, which is ready to use, supports serial AT command. Users can achieve network access through the serial port, the module is widely used in smart home, home security, remote control, automotive electronics, smart lighting, and industrial Internet of Things.
Item |
Value |
Description |
Size |
24x16x3mm |
±0.2mm |
SPI Flash |
32Mbit |
|
Interface |
/ |
UART/GPIO/ADC/PWM |
GPIO |
9 |
|
Baud rate |
115200 |
Support 300~4608000bps |
Frequency |
2.4GHz |
2412~2482MHz |
Antenna |
On board |
Distance: 100m |
Transmit Power |
16±2dBm |
802.11b/g/n |
Safety |
WEP/WPA-PSK/WPA2-PSK |
|
Power Supply |
3.3V |
|
Working Temperature |
-20~85℃ |
|
Certification |
FCC/CE/IC/NCC/TELEC/REACH/RoHs/SRRC |
|
Pin |
Name |
Description |
1 |
RST |
Reset |
2 |
ADC |
ADC input, input range 0~1V, 10 bit |
3 |
EN |
Chip select, HIGH enable |
4 |
IO16 |
GPIO16, Connect to RST as deep sleep awake pin |
5 |
IO14 |
GPIO14, HSPI_CLK |
6 |
IO12 |
GPIO12, HSPI_MISO |
7 |
IO13 |
GPIO13, HSPI_MOSI; UART0_CTS |
8 |
VCC |
3.3V |
9 |
GND |
Ground |
10 |
IO15 |
GPIO15, MTDO; HSPICS; UART0_RTS |
11 |
IO2 |
GPIO2, UART1_TXD |
12 |
IO0 |
GPIO0, uploading mode: LOW, Running mode: HIGH or draft |
13 |
IO4 |
GPIO4 |
14 |
IO5 |
GPIO5, IR_R |
15 |
RXT |
UART_RXD; GPIO13 |
16 |
TXD |
UART0_TXD; GPIO1 |