4 Digits Segment LCD Display, uA Low Power [Version]
$1.80 – $3.20
- Description
- Additional information
- Reviews (1)
- Enquiry2
Description
- Get a more smooth look instead of segment LCD, also cheap price to have.
- Easily implement and directly by MCU IOs, 74HC595 or HT1621B, etc (First four COM pins, and the rest each segment)
- 30.0*15.0/12.5*2.8mm
- Do not support backlight
- Middle clock format ” : “, all digit has dot ” . “
- Very low pwoer comsuption, either bare LCD or PCB version is about 50-150uA.
Purchase Version:
- R1 – 2pcs bare LCD
- R2 – 1pcs HT1621 backside PCB LCD.
Notice:
- The bare LCD can NOT be drived by normal MCU IOs directly! Pins will be turned Please use HT1621 driver R2 version.
- Please try PIC16 series, or STM8L series MCUs.
Specification and IOs see on this page. HT1621 demo code for STM8 see here (for purchased user).
Additional information
| Weight | N/A |
|---|---|
| Versions | R1, R2 |
matt (verified owner) –
Nice display, small size is an advantage for my project.
Arduino: I had to adjust the bitmask (also for the decimal separator) in the standard Arduino library for the HT1621B
_buffer[i] |= 0xeb;
break;
case ‘1’:
_buffer[i] |= 0x0a;
break;
case ‘2’:
_buffer[i] |= 0xad;
break;
case ‘3’:
_buffer[i] |= 0x8f;
break;
case ‘4’:
_buffer[i] |= 0x4e;
break;
case ‘5’:
_buffer[i] |= 0xc7;
break;
case ‘6’:
_buffer[i] |= 0xe7;
break;
case ‘7’:
_buffer[i] |= 0x8a;
break;
case ‘8’:
_buffer[i] |= 0xef;
break;
case ‘9’:
_buffer[i] |= 0xcf;
break;
case ‘-‘:
_buffer[i] |= 0x02;