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TTL MODBUS 0.4inch 4-Bit Red Digital Tube LED Display Screen Module TTL Control for Arduino
$10.59
Item ID: GY18124
Product Details
1.Description:
It is a TTL digital tube. This module has a built-in driver, which can be controlled by the user by sending instructions only.
2.Feature:
1>.It comes with a four-digit 0.4-inch screen
2>.It supports Micro USB communication
3>.It supports TTL/serial communication
4>.It supports ModbusRTU extended instructions
5>.It supports pin powered/Micro USB powered.
3.Parameter:
1>.Product Name: TTL Digital Tube
2>.Input Voltage:DC 5V
3>.Input Current:1A(Max)
4>.Work Temperature:-25℃~85℃
5>.Work Humidity:5%~95%RH
6>.Size:41*17*18mm
4.The Details of Sending Instructions are as Follows:
01:Station number of digital tube
06:Function code
00 00:Display register of digital tube screen (integer)
22 B8:display 8888 (decimal),hexadecimal 22B8
91 18:CRC check
5.Package:
1pcs TTL Digital Tube
