Chengdu Ebyte Electronic Technology Co.,Ltd.
E104-BT12NSP User Manual
Copyright ©2012–2021
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
7
5
NC
-
-
6
DIO1
Input
Switch input foot, PA0 foot for TLSR8253.
7
DIO2
Input
Switch input foot, PA1 foot for TLSR8253.
8
NC
-
-
9
NC
-
-
10
SWM
-
-
11
SWS
-
-
12
NC
-
-
13
LINK
Output
Network indicator. High level of pilot foot output after network
formation.
14
NC
-
-
15
PWM3
PWM Output
Blue light corresponding to SIGMESH HSL model
16
NC
-
-
17
TXD
Output
UART launch boot. Receive user's string of users.
18
RXD
Input
UART receive boot, send to user string
19
VCC
-
Power supply, range 1.9~3.6V (Proposed to increase external ceramic
filter capacitance)
20
GND
-
Ground wire, connect to the power reference ground.
21
NC
-
-
22
NC
-
-
23
NC
-
-
24
NC
-
-
25
RST
Input
The chip reset triggers the input foot. It's working at low levels.
26
GND
-
Ground wire, connect to the power reference ground.
3. Basic Operation
3.1 Hardware design
It is recommended to use DC steady voltage power supply to supply power to this module, the ripple coefficient of
power supply is as small as possible, the module needs reliable grounding;
Note the proper connection of the power supply positive and negative poles. Reconnecting may result in permanent
damage to the module.
Check the power supply to ensure that permanent damage to the module occurs between recommended supply
voltages, if exceeded;
Please check the stability of the power supply. The voltage cannot fluctuate significantly and frequently.
Please check the stability of the power supply. The voltage cannot fluctuate significantly and frequently.
When designing power supply circuits for modules, it is often recommended to keep more than 30 percent of the
spare, which is advantageous for the whole machine to work steadily over a long period of time.
