MAX7219-breakout board
About the MAX7219-breakout board
MAX7219-breakout board is an open source PCB design by MobiFlight, published on GitHub. It is a 2-layer board measuring 80 × 80 mm, with 28 components from 8 distinct parts.
Other key parts include the MAX7219CNG. By type, the board carries 11 connectors, 8 capacitors, 4 ICs, 4 resistors and 1 jumper.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
PCBs and breakout boards, designed by the MobiFlight community
These chips are already connected in a daisy chain on the PCB, creating a chain of 4, together capable of driving 32 digits. Since MobiFlight allows up to 8 MAX chips in a single daisy chain, a second module can be connected through the OUT connector (J11). With two boards connected, the daisy chain will consist of all 8 MAX chips, for a total capability of 64 digits.
Main components on the MAX7219-breakout board
MAX7219-breakout board bill of materials (BOM)
28 components, 8 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | MAX7219CNG | DIP-24_W7.62mm | IC1, IC2, IC3, IC4 |
| 1 | Conn_01x02_Male | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J1 |
| 2 | Conn_01x05_Male | JST_XH_B5B-XH-A_1x05_P2.50mm_Vertical | J2, J11 |
| 8 | Conn_02x08_Odd_Even | IDC-Header_2x08_P2.54mm_Vertical | J3, J4, J5, J6, J7, J8, J9, J10 |
| 1 | Jumper_3_Open | PinHeader_1x03_P2.54mm_Vertical | JP1 |
| 4 | 10µF | CP_Radial_D5.0mm_P2.50mm | C1, C3, C5, C7 |
| 4 | 0,1µF | C_Disc_D5.0mm_W2.5mm_P5.00mm | C2, C4, C6, C8 |
| 4 | 10k | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R2, R3, R4 |
MAX7219-breakout board design files
The KiCad project lives in the MobiFlight/mobiflight-pcbs repository on GitHub; these links point at the commit this page was built from.
MAX7219-breakout board: common questions
How big is the MAX7219-breakout board?
The MAX7219-breakout board measures 80 × 80 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the MAX7219-breakout board?
28 components, from 8 distinct parts. The full bill of materials is listed on this page.
Where can I download the MAX7219-breakout board design files?
From the MobiFlight/mobiflight-pcbs repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the MAX7219-breakout board design in my own project?
The repository has no license, so all rights stay with MobiFlight. Use it as a reference, and ask the author before reusing the design.
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