E103-W14 Wi-Fi & BLE Module BLE 5.2 low power consumption 2.4GHz frequency band Support AP, STA, AP+STA
[Working voltage]：2.7-3.6V
[Communication protocol]：IEEE 802.11b/g/n + BLE5.2
[Transmitting power]：18dBm
[Communication distance]：200m
[Product size]：14.5*10mm
[Introduction]：E103-W14 is a low-power, cost-effective Wi-Fi & ble module developed by Ebyte, which comply with ble BLE 5.2 and IEEE 802.11b/g/n standard protocol specifications. This WiFi module integrates the hardware and software resources required for complete Wi-Fi and ble applications, supports AP, STA, AP+STA 3 Wi-Fi working modes and low-power ble, and is very suitable for low-rate applications and data acquisition applications such as smart home and industrial control.
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| Pin number | Pin name | Pin type | Pin usage |
| 1 | GND | - | power ground |
| 2 | NC | - | empty legs |
| 3 | VBAT | - | VCC recommended 3.3v |
| 4 | GPIO24 | I/O | GPIO |
| 5 | GND | - | power ground |
| 6 | GND | - | power ground |
| 7 | CEN | - | The chip enable pin is active at high level (the module has an internal pull-up, and customers can use this pin to implement the hardware reset pin function). |
| 8 | ADC1 | I | Analog input pin (no software function yet) |
| 9 | GPIO6 | I/O | GPIO |
| 10 | GPIO8 | I/O | GPIO |
| 11 | NC | - | empty legs |
| 12 | GND | - | power ground |
| 13 | GPIO9 | I | Default SLEEP wake-up pin (valid on rising edge or falling edge, related to customer's actual configuration) |
| 14 | TXD | THE | Module serial port sending |
| 15 | RXD | I | Module serial port reception |
| 16 | GPIO1 | I/O | GPIO |
| 17 | GPIO0 | I/O | GPIO |
| 18 | GND | - | GPIO |