Afterglow 3.0 Debug Hat
bitfieldlabs·afterglow·afterglow_pcb_v30/hat_debug/hat_debug.kicad_pcb
About the Afterglow 3.0 Debug Hat
Afterglow 3.0 Debug Hat is an open source PCB design by bitfieldlabs, published on GitHub. It is a 2-layer board measuring 64.4 × 81 mm, with 97 components from 11 distinct parts.
By type, the board carries 80 diodes, 12 resistors and 5 connectors.
It belongs with the dev boards & breakouts, displays & leds and retro computing designs in this gallery.
From the project
Pinball retro afterglow
This is the newest generation of afterglow boards for the switched playfield lamps (not the GI), supporting WPC, Data East, System 11 and Stern Whitestar/S.A.M. games.
The new board is based on the RP2040 microprocessor. It is more robust than previous versions and it supports hats!
Components were chosen based on availability and price.
The connectors and some other parts are currently not included in the assembly files.

Afterglow 3.0 Debug Hat bill of materials (BOM)
97 components, 11 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Conn_01x04_Socket | PinHeader_1x04_P2.54mm_Vertical | J1 |
| 2 | Conn_01x10_Pin | PinHeader_1x10_P2.54mm_Vertical | J4, J5 |
| 2 | Conn_02x03_Odd_Even | PinHeader_2x03_P2.54mm_Vertical | J7, J8 |
| 22 | C434437 LED_W | LED_0805_2012Metric | D1, D6, D10, D11, D12, D13, D14, D39 +14 |
| 8 | C434437 LED_Y | LED_0805_2012Metric | D2, D18, D19, D20, D49, D53, D58, D62 |
| 6 | C434437 LED_O | LED_0805_2012Metric | D3, D54, D55, D56, D77, D78 |
| 13 | C434437 LED_R | LED_0805_2012Metric | D4, D8, D9, D16, D17, D24, D41, D59 +5 |
| 27 | C434437 LED_B | LED_0805_2012Metric | D5, D7, D15, D21, D22, D23, D25, D26 +19 |
| 4 | C434437 LED_G | LED_0805_2012Metric | D48, D50, D57, D76 |
| 10 | C17513 1k | R_0805_2012Metric | R1, R2, R3, R4, R5, R6, R7, R8 +2 |
| 2 | C17673 4k7 | R_0805_2012Metric | R11, R12 |
Afterglow 3.0 Debug Hat design files
The KiCad project lives in the bitfieldlabs/afterglow repository on GitHub; these links point at the commit this page was built from.
Afterglow 3.0 Debug Hat: common questions
How big is the Afterglow 3.0 Debug Hat?
The Afterglow 3.0 Debug Hat measures 64.4 × 81 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Afterglow 3.0 Debug Hat?
97 components, from 11 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Afterglow 3.0 Debug Hat design files?
From the bitfieldlabs/afterglow repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Afterglow 3.0 Debug Hat design in my own project?
The repository has no license, so all rights stay with bitfieldlabs. Use it as a reference, and ask the author before reusing the design.
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