Adafruit JTAG (2x10 2.54mm) to SWD (2x5 1.27mm) Cable Adapter Board [ADA2094]
This adapter board is designed for adapting a 'classic' 2x10 (0.1"/2.54mm pitch) JTAG cable to a slimmer 2x5 (0.05"/1.27mm pitch) SWD Cable. It's helpful for using products like the JTAGulator or SEGGER J-Link with tiny boards that use the 10-pin SWD programming connector. This board comes with no cables. It's really just the adapter - but is super helpful when you want to use JTAG debugging on boards that can't support 2x10 cables. We do stock the SWD cable if you need one here!
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Adafruit
{"Standing screen display size": "5 Inches", "Brand": "Adafruit", "Item model number": "ADA2094", "Item Weight": "0.353 ounces", "Product Dimensions": "4.72 x 3.15 x 0.79 inches", "Item Dimensions  LxWxH": "4.72 x 3.15 x 0.79 inches", "Manufacturer": "Adafruit", "Is Discontinued By Manufacturer": "No", "Date First Available": "May 3, 2017"}