Trigger
homebrew8088·8086-PC-Compatible·Kicad/Trigger/Trigger.kicad_pcb
About the Trigger PCB
Trigger is an open source PCB design by homebrew8088, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 25.4 × 21 mm, with 6 components from 4 distinct parts.
Other key parts include the 74LS04 and LS74. By type, the board carries 2 ICs, 2 connectors and 2 capacitors.
From the project
8086 PC Compatible
This is a repository for my 8086 PC Compatible project developed in 2021. The Motherboard is built to be generally PC XT/AT compatible.\ \ THIS DOES NOT WORK CORRECTLY FOR REFERENCE ONLY
https://www.homebrew8088.com \ http://www.ebay.com/sch/emil6190/m.html
Features:\ -8086, NEC V30\ -512k RAM (This can be changed)\ -16 Bit ISA Slots\ -PC Speaker\ -USB "Hard Drive"\ -PS/2 Keyboard\ -ATX form factor\ -Add on DMA controller (Has not been built)

Main components on the Trigger
Trigger bill of materials (BOM)
6 components, 4 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74LS04 | DIP-14_W7.62mm | U1 |
| 1 | LS74 | DIP-14_W7.62mm | U2 |
| 2 | Conn_01x07 | PinHeader_1x07_P2.54mm_Vertical | J1, J2 |
| 2 | 0.1uF | C_Disc_D4.3mm_W1.9mm_P5.00mm | C1, C2 |
Trigger design files
The KiCad project lives in the homebrew8088/8086-PC-Compatible repository on GitHub; these links point at the commit this page was built from.
Trigger: common questions
How big is the Trigger PCB?
The Trigger measures 25.4 × 21 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Trigger?
6 components, from 4 distinct parts. The full bill of materials is listed on this page.
Where can I download the Trigger design files?
From the homebrew8088/8086-PC-Compatible repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Trigger design in my own project?
Yes, under the terms of its GPL-3.0 license, which homebrew8088 chose for the repository.