SC4D - 4 Digits Seven Segment LED Display

6 Functions 1 Module

• Serial LED Display
• Real Time Clock
• Count Down Timer
• Temperature Display
• Up Counter
• PWM Controller

3 Interface Option - RS232, RS485 , TTL logic

Digit Height : 0.5"

LED Color: Red

Serial Display

Display ASCII - Command [0xFE][0x03][Up to 20 ASCII characters][0xFF]

If more than 4 ASCII characters send, display will scroll. Supported ASCII characters are numbers and limited alphabets.

Display integer value - Command [0xFE][0x23][integer MSB][integer LSB][0xFF]

Range 0 to 9999

Real Time Clock

Set time using push buttons or serial command [0xFE][0x10][second][minute][hour][0xFF]

Request time information from module - Command [0xFE][0x13][0xFF]
Response - [uid][0x01][second][minute][hour][0xFF]

Display time information - Command [0xFE][0x00][0xFF]

Display format 00:00 to 23:59

Count Down Timer

Set count down interval using push buttons or serial command [0xFE][0x01][second][minute][0xFF]

Start/Stop/Reset using push buttons or serial command [0xFE][0x11][0xFF] to Start/Stop timer, and [0xFE][0x21][0xFF] to reset

Range: Max 99 minutes and 59 seconds, minimum 1 second.

Count down elapse causes , output turned on, buzzer triggered and display flashing.

Temperature Display ( Celsius )

Include a NTC 10K thermistor to sense temperature.

To display temperature, command [0xFE][0x0x04]0xFF]

Response [0xFE][0x04][sign][temperature][0xFF]

Range -10C to 100C

Up Counter

Increment once up to 9999 each transition on counter input port.

To set module to counter mode, send command [0xFE][0x05][0xFF]

Module send frame [uid][0x05][0x05][0xFF] on each input detected.

Reset counter using B3 push button.

PWM controller

Programmable frequency and duty cycle. Frequency from 160Hz to 20480Hz. Open collector output.

Set frequency - [0xFE][0x12][freq][0xFF]

Set duty cycle - [0xFE][0x02][duty cycle][0xFF]

SC4D User's Guide

Buy SC4D USD40.00/unit

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