JTAG Connect

JTAG-Connect

USB-blaster programming the intel/altera FPGA using a DIY spring clip with pogo-pins that clips onto a standard 2.0 mm pin pitch JTAG SMD-footprint:

video with the spring clip in action:
https://drive.google.com/file/d/1q0D7EuQR9gsi54iwchI4ziomZzsiyqWE/view?usp=sharing

I have spare PCBs in case anyone is interested in this, or I can make to order for a fiver + shipping (until my spares are depleted) in case anyone can't build themselves. You will have to source the DIY clip (including screws) yourself from aliexpress or similar.
my email: jorgen.bilander at gmail com

The receptacle pogo pin socket I use, R50-3W: https://www.aliexpress.com/item/1005003512878045.html

The pogo pin I use, P50-Q1: https://www.aliexpress.com/item/1005002199072447.html

Connector pinout:

Designed for the common DIY spring clip plenty available on AliExpress:

The 6-pin handheld version:

A PCB panel also with a 6-pin version and handheld versions of the two:

When ordering from JLCPCB select:

Delivery Format:

Panel by Customer

Remove Order Number:

Specify a location

This will notify JLC where to put the order number, they will replace the "JLCJLCJLCJLC" silkscreen label.

And write a comment about V-scoring is specified on the User-Comment layer.

Soldering the DIY clip PCBs:

Soldering the Handheld version:

I used a 2.0 mm pin pitch connector as a Jig to hold the pins in place at a nice consistent distance:

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