A2VGA.v2.1
About the A2VGA.v2.1 PCB
A2VGA.v2.1 is an open source PCB design by Toysoft, published on GitHub under the MIT license. It is a 2-layer board measuring 65.5 × 79.8 mm, with 13 components from 10 distinct parts.
By type, the board carries 11 resistors, 1 diode and 1 capacitor.
From the project
This is a redesign of the Apple II VGA based on the PR2350 chip with 48 GPIOs (on Clintech Pico Board) which is 5V tolerant and hence no trinsceivers would be needed.
This is a redesign of the Apple II VGA based on the PR2350 chip with 48 GPIOs (on Clintech Pico Board) which is 5V tolerant and hence no trinsceivers would be needed.
The A2VGA2 hardware design is released under the MIT License:
Board design by Ralle Palaveev, Copyright (c) 2026.
Adaptation for RP2350 by Oliver Schmidt, Copyright (c) 2026.
The firmware project would be based on awesome work from the following Apple II Analog VGA projects:
A2VGA.v2.1 bill of materials (BOM)
13 components, 10 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 1N5817 D_T-1_P5.08mm_Horizontal STMicroelectronics | D_T-1_P5.08mm_Horizontal | D1 |
| 1 | 100n | C_Disc_D5.0mm_W2.5mm_P5.00mm | C1 |
| 1 | 10K 510 | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1 |
| 1 | 10K 1k | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R2 |
| 1 | 10K 2k | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R3 |
| 2 | 500 510 | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R4, R7 |
| 2 | 1k | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R5, R8 |
| 2 | 2k | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R6, R9 |
| 1 | 500 47 | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R10 |
| 1 | 47 | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R11 |
A2VGA.v2.1 design files
The KiCad project lives in the Toysoft/AppleII-VGA2 repository on GitHub; these links point at the commit this page was built from.
A2VGA.v2.1: common questions
How big is the A2VGA.v2.1 PCB?
The A2VGA.v2.1 measures 65.5 × 79.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the A2VGA.v2.1?
13 components, from 10 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 A2VGA.v2.1 design files?
From the Toysoft/AppleII-VGA2 repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the A2VGA.v2.1 design in my own project?
Yes, under the terms of its MIT license, which Toysoft chose for the repository.
More boards in AppleII-VGA2
Earlier revisions in the repo: A2VGA.v2.0