Open source 7 segment serially controlled led display that fits inside a generic 45x26mm panel mount plastic enclosure. Upgrade your function specific panel meter PCB with a new one controllable by your preferred MCU.
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Upgrading a 5 digit voltmeter PCB with a 5 digit serially controllable display
| 0.36 Inch 5 Digits voltmeter | 0.36 Inch 5 Digits serially controllable |
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The display can be now controlled by Arduino (or any other) boards via serial bus, to display numbers, letters, or individual segments.
There are several board versions, each one with different personalities
| HINT | CONTROLLER CHIP | LINK |
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| 056 INCH 3 DIGIT | TM1637 | 056 INCH 3 DIGIT |
| 036 INCH 5 DIGIT | TM1637 | 036 INCH 5 DIGIT |
| 028 INCH 8 DIGIT (2 Lines x 4Digit) | MAX7219 | 028 INCH 8 DIGIT |
| 0.56 Inch 3 Digits | 0.36 Inch 5 Digits | 0.28 Inch 8 Digits |
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