Chengdu Ebyte Electronic Technology Co.,Ltd.
E104-BT02 User Manual
Copyright ©2012–2019, Chengdu Ebyte Electronic Technology Co.,Ltd.
3
Reference range
70m
clear and open area, antenna gain: 5dBi, antenna height:
2.5m
Launch length
128Byte
BLE protocol
BLE4.2
Communication interface
UART
Leads out MCU IO
，
See details in data sheet
Package
SMD
Interface
1.27 mm
Size
14.6*21.9 mm
Antenna
PCB onboard antenna
50 ohm impedance
3 Size and pin definition
Pin
Name
Direction
I/O
说明
1
GND
-
Ground
地
Referenced ground
2
NC
-
Reserved
-
3
P00
Input
Mode
configuration
(MOD)
When low level is inputted, module enters configuration
mode; when high level is inputted, module enters
transparent transmission mode (it contains internal pull-up
resistance and operates in transparent transmission mode
by default)
4
P01
-
Reserved
-
5
P02
-
Reserved
-
6
P03
Output
Valid data
output (APP)
To indicate data outputted via serial port is valid, and the
low level indicates that data is in transmission and the high
level indicates that data transmission has completed (see
more details on <2.5 Data validity >)
7
P04
Output
UART transmit
data
Module outputs serial port data
8
P05
Input
UART receive
Module receives external serial port data
