Hermes-Lite End Plate 40
jimahlstrom·HL2IOBoard·HL2IOEndcap_v23/hl2io_40b/HL2IO_endcap.kicad_pcb
About the Hermes-Lite End Plate 40 PCB
Hermes-Lite End Plate 40 is an open source PCB design by jimahlstrom, published on GitHub. It is a 2-layer board measuring 106 × 40 mm, with 5 components from 2 distinct parts.
It belongs with the rf & radio designs in this gallery.
From the project
A PCB added to the HL2 with IO resources to control filters and antennas
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Register names are now fixed, but there may be additions. Further documentation is coming, stay tuned. Please provide feedback, especially if you see a problem.
This project is a 5 by 10 cm printed circuit board and related firmware. The board mounts in the same box as the Hermes Lite 2. It mounts above the N2ADR filter board if one is installed. The filter board and the IO board are independent of each other. The PC running the SDR software sends the transmit frequency to the board. The microcontroller on the board then…

Hermes-Lite End Plate 40 bill of materials (BOM)
5 components, 2 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | DB9 | db9inside | ACC1 |
| 4 | 3mm | mh3mmround | MH1, MH2, MH3, MH4 |
Hermes-Lite End Plate 40 design files
The KiCad project lives in the jimahlstrom/HL2IOBoard repository on GitHub; these links point at the commit this page was built from.
Hermes-Lite End Plate 40: common questions
How big is the Hermes-Lite End Plate 40 PCB?
The Hermes-Lite End Plate 40 measures 106 × 40 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Hermes-Lite End Plate 40?
5 components, from 2 distinct parts. The full bill of materials is listed on this page.
Where can I download the Hermes-Lite End Plate 40 design files?
From the jimahlstrom/HL2IOBoard repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Hermes-Lite End Plate 40 design in my own project?
The repository has no license, so all rights stay with jimahlstrom. Use it as a reference, and ask the author before reusing the design.
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