2 layers22 × 34 mm
Key tap88
jmA500/Key-Tap
Key-Tap. Use keyboard hotkeys to configure internal hardware extensions in the Amiga 500.
13 parts10GPL-2.0
2 layers22.1 × 22.1 mm
Dragon AY Plugin
jimbro1000/Dragon-AY-PluginPlugin Ay audio plugin for Dragon32 rev3 board
- Size
- 22.1 × 22.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 15
- Nets
- 36
- Pads
- 90
- Tracks, vias
- 209, 24
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 14 Dec 2023
- Updated
- 14 Dec 2023
Overview
Dragon AY Plugin is an open-source printed circuit board by jimbro1000, from the jimbro1000/Dragon-AY-Plugin repository on GitHub. It is a 2-layer board of 22.1 × 22.1 mm with 15 parts on 36 nets, routed with 209 tracks and 24 vias.
It is built around the ATMEGA48PA-AU. Its parts include 7 capacitors, 3 resistors, 3 connectors, 1 IC and 1 crystal. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
1README
README.mdAY(ish) Plugin For Dragon32 Rev 3
This repository contains the design for an emulated AY8910/2/3 plugin board to fit the Dragon32 Rev3 boards.
The design is based on the avr-ay designs using an Atmega MCU
The design does not support the PIO capabilities of the original AY8910/2, providing only the sound generation
The footprint is a significant departure using a largish plcc style footprint but thanks to a lack of support in KiCad this has come out larger than intended
Parts
15| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 2.2nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C5, C6, C7 |
| 3 | 3.6K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2, R3 |
| 2 | 100nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C4 |
| 2 | 18pF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C3 |
| 1 | 27MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm_HandSoldering | X1 |
| 1 | ATmega48PA-A | Package_QFP:TQFP-32_7x7mm_P0.8mm | U1 |
| 1 | Conn_01x24 | AY-Plugin:AY-QTHT | J3 |
| 1 | ICSP | Connector_PinHeader_1.27mm:PinHeader_2x03_P1.27mm_Vertical | J2 |
| 1 | UART | Connector_PinHeader_1.27mm:PinHeader_1x04_P1.27mm_Vertical | J1 |
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Questions
How big is the Dragon AY Plugin PCB?
It measures 22.1 × 22.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Dragon AY Plugin use?
15 parts, built around the ATMEGA48PA-AU. 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.
Where can I download the Dragon AY Plugin KiCad files?
From the jimbro1000/Dragon-AY-Plugin repository on GitHub, at the commit this page was made from: the board is Dragon-AY-Plugin.kicad_pcb and its schematic Dragon-AY-Plugin.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Dragon AY Plugin design in my own project?
Its repository states no licence, so its author keeps all rights: ask jimbro1000 before reusing the design.