IT-GROUP MFG LTD T1489 User Manual
BLE LED SCREEN SPECIFICATION
The BLE LED SCREEN is a device that allows user to display up to 10 messages
with 100 characters each. Messages can be programmed by an APP through
BLE 4.0 device. BLE LED screen, the spice of your joyful life.
with 100 characters each. Messages can be programmed by an APP through
BLE 4.0 device. BLE LED screen, the spice of your joyful life.
App ibeacon BLE 4.0 2.4G Bluetooth
Default Message：
HAPPY NEW YEAR
HAPPY HOLIDAYS
CONGRATULATIONS
HAPPY ANNIVERSARY
HAPPY BIRTHDAY
I LOVE YOU
HAPPY NEW YEAR
HAPPY HOLIDAYS
CONGRATULATIONS
HAPPY ANNIVERSARY
HAPPY BIRTHDAY
I LOVE YOU
iBeacon
MCU
MCU
I/O EXPANDER 74HC595 *3
CC2541
Length of Sentence：100 characters
Sentences: 10 total
Brightness：1~10 PWM duty 10~100%
Normal usage time: min 13 Hours at brightness 10
Punctuation mark
to be displayed: ,.?!$-+
Testing program App
Fig. 1 System Diagram
Battery
3.0V*2
5*25LED Matrix
32MHz 晶振
32768Hz 晶振
0 DBPCB 天线