
VKeyboard
hackclub/OnBoard
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Deisgn for PCB with dual arrays of IR (10x10) and 628nm crimson (9x9) leds.
Dual led array is an open-source printed circuit board by willdickson, from the willdickson/dual_led_array repository on GitHub, published under the CC-BY-4.0 licence. It is a 2-layer board of 254 × 254 mm with 187 parts on 166 nets, routed with 1,220 tracks and 0 vias.
Its parts include 181 diodes and 2 connectors.
PCB with dual arrays of IR and 628nm crimson leds. Arrays are 10x10 and 9x9 respectively.

Creative Commons Attribution 4.0 International CC BY 4.0
| Qty | Value | Footprint | References |
|---|---|---|---|
| 100 | LED_ALT | led_5mm_custom:LED_5mm_custom | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D100 +84 |
| 81 | LED_ALT | led_cree_p4:LED-0p2in | D101, D102, D103, D104, D105, D106, D107, D108, D109, D110, D111, D112, D113, D114, D115, D116 +65 |
| 4 | quarter_twenty | mount_holes_custom:quarter_twenty | M1, M2, M3, M4 |
| 2 | Screw_Terminal_01x02 | BLOCK_CONN_2:BLOCK_CONN_2X1 | J1, J2 |
It measures 254 × 254 mm and has 2 copper layers, 1.6 mm thick.
187 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the willdickson/dual_led_array repository on GitHub, at the commit this page was made from: the board is dual_led_array.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the CC-BY-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

hackclub/OnBoard
💡 Join 1,000 teenagers and make your first PCB with a $100 grant!





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