20 open source boards using the 24LC256
Real designs built with the 24LC256, 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.
Nordic nRFBoard
dennisss
363 × 128 mm420 parts4LApache-2.0381
Raspberry PiExpansion board
reubenstr
100 × 49.8 mm75 parts4LMIT51
AVR/ArduinoMidi2cv
tomarus
81.3 × 96.5 mm63 parts2LNo license30
Jcap
cspang1
136.8 × 87 mm63 parts2LMIT15
Ass shield
immortalserg
79.6 × 79.6 mm200 parts2LNo license12
RP2040/RP2350Iosefka motherboard
GlobalSequence
213 × 128.5 mm122 parts2LNo license5
Internal-USB-Hub
wozniak-works
109.4 × 102 mm303 parts6LCERN-OHL-P-2.03
Dsp amp 2to4
kurozz
84 × 90 mm175 parts2LNo license3
AVR/ArduinoMls800
blemasle
293.4 × 80.5 mm92 parts2LGPL-3.03
AVR/ArduinoRelayTrackerController
bask185
54 × 94.5 mm86 parts2LNo license3
AVR/ArduinoSatelliteController2.0
tokai-student-rocket-project
150 × 100 mm221 parts2LMIT2
FellaPC
agkaminski
284.9 × 96.5 mm107 parts2LCC0-1.02
PICUPIC46
emertcakir
66.6 × 41.3 mm90 parts2LMIT2
Enter Title On Page Setting Dialog
PickledDog
102.6 × 66 mm42 parts2LApache-2.02
Ass shield (2-я копия)
80 × 80 mm193 parts2LNo license12
Iosefka controlboard
213 × 128.5 mm74 parts2LNo license5
Ass shield (1-я копия)
80 × 80 mm151 parts2LNo license12
Ass shield analog mic
80 × 80 mm147 parts2LNo license12
AVR/ArduinoPwmController
100 × 100 mm74 parts2LNo license3
AVR/ArduinoLayoutManagerX
80 × 56.5 mm35 parts2LNo license3
The 24LC256 in open source designs
The gallery holds 20 open source boards using the 24LC256 from 14 GitHub repositories; a typical one measures about 100 × 88.5 mm and carries around 100 components.
85% are two-layer designs, the rest use four layers or more, and 45% carry an open source license.
The most starred is Board by dennisss.
Parts used alongside the 24LC256
Microcontrollers on boards using the 24LC256
What boards using the 24LC256 are built for
24LC256: common questions
Where can I find a 24LC256 reference design?
Each of the 20 boards on this page is a real design using the 24LC256. 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 24LC256?
The 74HC08, 74HC595, ADS1115IDGS, AMS1117-3.3 and TL074 appear in the most repositories here.
Which microcontrollers do boards using the 24LC256 use?
Most are built on AVR/Arduino (6), Nordic nRF (1), PIC (1) and Raspberry Pi (1).
How big is a typical board using the 24LC256?
The median is 100 × 88.5 mm, and 85% are two-layer designs.
What is the most popular open source board using the 24LC256?
By GitHub stars, Board by dennisss, with 381 stars.
Can I simulate one of these boards using the 24LC256 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.