Sitina 1 JTAG Breakout
CameraNexus·sitina1·hardware/jtag_adapter/jtag_adapter.kicad_pcb
About the Sitina 1 JTAG Breakout
Sitina 1 JTAG Breakout is an open source PCB design by CameraNexus, published on GitHub under the MIT license. It is a 2-layer board measuring 21.5 × 14 mm, with 5 components from 4 distinct parts.
By type, the board carries 3 connectors and 2 diodes.
It belongs with the dev boards & breakouts and usb & debug tools designs in this gallery.
From the project
Open-source 35mm full-frame (36mm x 24mm) CCD mirror-less interchangable lens camera (MILC). The original goal of this project was to create a digital camera back to convert SLR cameras to DSLR cameras, but has since changed to build a full MILC.
Open-source 35mm full-frame (36mm x 24mm) CCD mirror-less interchangable lens camera (MILC). The original goal of this project was to create a digital camera back to convert SLR cameras to DSLR cameras, but has since changed to build a full MILC.
I have made 2 videos about this project:
- First video in 2023 (r0.6 hardware): https://www.youtube.com/watch?v=Ma9FrN5COIo - Second video in 2024 (r0.11-B hardware): https://www.youtube.com/watch?v=OkfzjmY9cF8

Sitina 1 JTAG Breakout bill of materials (BOM)
5 components, 4 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Conn_02x06_Odd_Even | PinHeader_2x06_P1.27mm_Vertical_SMD | J1 |
| 1 | Conn_02x07_Odd_Even | PinHeader_2x06_P2.00mm_Vertical_SMD | J2 |
| 1 | Conn_02x05_Odd_Even | PinHeader_2x05_P1.27mm_Vertical_SMD | J6 |
| 2 | B0540W | D_SOD-323 | D1, D2 |
Sitina 1 JTAG Breakout design files
The KiCad project lives in the CameraNexus/sitina1 repository on GitHub; these links point at the commit this page was built from.
Sitina 1 JTAG Breakout: common questions
How big is the Sitina 1 JTAG Breakout?
The Sitina 1 JTAG Breakout measures 21.5 × 14 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Sitina 1 JTAG Breakout?
5 components, from 4 distinct parts. The full bill of materials is listed on this page.
Where can I download the Sitina 1 JTAG Breakout design files?
From the CameraNexus/sitina1 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Sitina 1 JTAG Breakout design in my own project?
Yes, under the terms of its MIT license, which CameraNexus chose for the repository.
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