Open Source Meter OSMLP-3E Miniature Digital Panel Meter 3 1/2 Digit LCD Display 4-20mA Loop Powered Selectable Eng Units °F °C PSI% Decimal Points 3 Position Adjustable Span and Offset
- Support all kinds of Arduino microcontroller line, without any wiring..
- The integrated voltage regulator IC, supports 5V or 3.3V power supply..
- On-board level translation programs truly perfectly compatible 5V / 3.3V IO level, supports a variety of single-chip IO connection.
- The integrated backlight control circuit, can be controlled on-off or PWM dimming..
- The integrated SD card expansion circuit,Reserved SPI FLASH font circuits to facilitate the expansion application..