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STD matrix-display
License: TAPR Open Hardware License
Mode: Editors' pick
- 1
Update time：
2020-08-29 09:00:50
Creation time：
2019-05-10 18:14:32
Description
An Arduino/ESP8266 display board for 3x2 788BS red led matrices connected to max7219 drivers.
The IREG is higher than usual to reduce brightness, use a smaller resistor (maybe 30/40 K) for daylight applications.
Work in progress, comments are wellcome.
When used with MD_MAX72XX and MD_Parola libs this matrices are not one of the supported hardware types, but I was able to wire 1 and 1+1 on a breadboard and they work quite well with the correct settings.
See attached .TXT for details about connecting the 788BS matrix to the MAX7219 and use it with MD_MAX72xx + MD_Parola libs on arduino IDE.
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 100K | R1,R2,R4 | 0805 | 3 |
| 2 | 788BS | M1,M2,M4 | 788BS | 3 |
| 3 | 10UF-TANT | C2,C4,C8 | CP_TANTALUM_CASE-R_EIA-2012-12_REFLOW | 3 |
| 4 | IN | H1 | DIP-1X5P-2.54MM-M | 1 |
| 5 | 100nF | C1,C3,C7 | 0603 | 3 |
| 6 | max7219cng | U1,U2,U4 | MAX7219 (SMT) | 3 |
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