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Low Power Consumption
WIFI Module
Low Power Consumption
WIFI Module

E103-W08A Ebyte 2.4GHz WiFi 802.11b Dicaryon ARM Low Power Consumption WIFI To UART Module

[IC]：ARM® Cortex®-M3 Application Processor
ARM® Cortex®-M0 Link Controller

[Frequency]：2.4GHz

[Power]：12dBm

[Wi-Fi]：802.11b

[Size]：22*13mm

[Product weight]：1g±0.1g

[Introduction]：E103-W08 is a 2.4G-based WIFI re-serial module developed by Chengdu Ebyte, wiFI maximum transmit power of up to 10dBm, this module built-in ARM® Cortex®-M3 Application Processor and ARM ® Cortex ®-M Link Controller.

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1
Pin no The pin name Pin type Pin usage
1 GND - Ground, connected to the power reference ground
2 RST_N I Reset pin, low active (built-in pull-up resistor 47k)
3 EN I OPL1000 chip enable pin, high level enable (built-in pull-up resistor 47k)
4 GPIO0 I/O Universal IO port (not currently in use)
5 GPIO1 I/O Universal IO port (not currently in use)
6 TXD I/O TTL serial output, connected to external RXD input pin (OPL1000 GPIO2)
7 RXD I/O TTL serial input, connected to external TXD output pin (OPL1000 GPIO3)
8 GPIO4 I/O Universal IO port (not currently in use)
9 GND - Ground, connected to the power reference ground
10 GPIO5 I/O       The Socket connection indicates that the connection output is set to be high and the disconnect output is low
11 GPIO6 I/O       Universal IO port (not yet used, recommended suspension)
12 GPIO23 I/O Link connection indicates that the wifi connection output is set to be high and the wifi output is disconnected at a low level
13 GPIO7 I/O Universal IO port (not currently in use)
14 GPIO8 I/O Universal IO port (not currently in use)
15 GPIO9 I/O Universal IO port (not currently in use)
16 GPIO10 I/O Universal IO port (not currently in use)
17 GND - Ground, connected to the power reference ground
18 VCC - The module power supply is being referenced, with voltages ranging from 2.5 V to 3.6 V
19 GPIO11 I/O Universal IO port (not currently in use)
20 GPIO18 I/O Restore the default parameters, which can only be changed within the first 1 second of power-up, and the low level is valid
21 GPIO19 I/O Universal IO port (not currently in use)
22 GPIO20 I/O Universal IO port (not currently in use)
23 GPIO21 I/O Universal IO port (not currently in use)
24 GPIO22 I/O Universal IO port (not currently in use)