5 open source boards using the 4116
Real designs built with the 4116, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
RP2040/RP2350Pico dram tester
schlae
100 × 100 mm47 parts2LCC-BY-SA-4.0161
ZX-Spectrum-Issue-4B
iansbremner
213.4 × 130.8 mm199 parts2LNo license22
ZX-Spectrum-48K-Issue-2
liveboxandy
213.1 × 130.1 mm191 parts2LCC0-1.02
ZX Spectrum 48K
Bambelweeny57
213.1 × 129 mm201 parts2LNo license1
Lynx-MK1-MEM
Board-Folk
62.5 × 85.7 mm29 parts2LNo license4
The 4116 in open source designs
The gallery holds 5 open source boards using the 4116 from 5 GitHub repositories; a typical one measures about 213.1 × 129 mm and carries around 191 components.
100% are two-layer designs, the rest use four layers or more, and 40% carry an open source license.
The most starred is Pico dram tester by schlae.
Microcontrollers on boards using the 4116
What boards using the 4116 are built for
4116: common questions
Where can I find a 4116 reference design?
Each of the 5 boards on this page is a real design using the 4116. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
What parts are used alongside the 4116?
The 4532, LM1889, ROM, ULA and Z80 appear in the most repositories here.
Which microcontrollers do boards using the 4116 use?
Most are built on RP2040/RP2350 (1).
How big is a typical board using the 4116?
The median is 213.1 × 129 mm, and 100% are two-layer designs.
What is the most popular open source board using the 4116?
By GitHub stars, Pico dram tester by schlae, with 161 stars.
Can I simulate one of these boards using the 4116 before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.