4 open source boards using the 74HCT02
Real designs built with the 74HCT02, 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.
ESP32Duet 2
Duet3D
100 × 123 mm348 partsCERN-OHL-1.2257
ESP8266Duet WIFI
100 × 123 mm345 partsCERN-OHL-1.2257
Microchip SAMDuet 2 Maestro
100 × 123 mm336 partsCERN-OHL-1.2257
NXPDuex5
100 × 123 mm252 partsCERN-OHL-1.2257
The 74HCT02 in open source designs
The gallery holds 4 open source boards using the 74HCT02 from 1 GitHub repository; a typical one measures about 100 × 123 mm and carries around 341 components.
100% carry an open source license.
The most starred is Duet 2 by Duet3D.
Microcontrollers on boards using the 74HCT02
What boards using the 74HCT02 are built for
74HCT02: common questions
Where can I find a 74HCT02 reference design?
Each of the 4 boards on this page is a real design using the 74HCT02. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
Which microcontrollers do boards using the 74HCT02 use?
Most are built on ESP8266 (1), ESP32 (1), Microchip SAM (1) and NXP (1).
How big is a typical board using the 74HCT02?
The median is 100 × 123 mm.
What is the most popular open source board using the 74HCT02?
By GitHub stars, Duet 2 by Duet3D, with 257 stars.
Can I simulate one of these boards using the 74HCT02 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.