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Home >Module>Test kits>E104
Bluetooth Module Test Kit 1
Bluetooth Module Test Kit 2
Bluetooth Module Test Kit 3
Bluetooth Module Test Kit 1
Bluetooth Module Test Kit 2
Bluetooth Module Test Kit 3
EWT104-BT14SP Trousse de test pour module Bluetooth

[Interface]：UART

[Dimensions]：30*59.6mm

[Introduction]：Le kit EWT104-BT14SP est une carte de développement basée sur le module Bluetooth E104-BT14SP, permettant de réduire considérablement le cycle de développement.

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PIN
Serial Number Pin Definitions Pin direction illustrate
1 GND - power ground
2 PB4 - Reserved GPIO, users don't need to worry about it.
3 RESTORE input After the internal pull-up switch is held low for at least 5 seconds, all parameters are reset to factory settings and the module automatically restarts.
4 PB2 - Reserved GPIO, users don't need to worry about it.
5 LINK Output Connection status indicator pin: high level indicates connected, low level indicates disconnected.
6 BAT_DET input Battery voltage detection pin
7 RESET input Reset pin, low level reset
8 WKP input The default low level indicates low-power mode, during which serial communication is disabled. Pulling the level high inputs normal operating mode, enabling serial communication.
9 RXD input Serial port input
10 TXD Output Serial port output
11 GND - power ground
12 GND - power ground
13 WKP input The default low level indicates low-power mode, during which serial communication is disabled. Pulling the level high inputs normal operating mode, enabling serial communication.
14 3V3 Output DC  3.3V
15 3V3 Output DC  3.3V
16 VBAT input Positive power supply, 2.5V~5.5V, 3.3V recommended.
17 NC - NC
18 GND - power ground
19 GND - power ground
20 GND - power ground
21 GND - power ground
22 GND - power ground
23 VBAT input Positive power supply, 2.5V~5.5V, 3.3V recommended.
24 PB3 - Reserved GPIO, users don't need to worry about it.
25 PB8 - Reserved GPIO, users don't need to worry about it.
26 PB7 - Reserved GPIO, users don't need to worry about it.
27 PB10 - Reserved GPIO, users don't need to worry about it.
28 GND - power ground