Debug ARM Cortex without a header on your PCB - EDN
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Tag-Connect - CCS, Inc.
Tag-Connect: The ICP Connector That Saves PCB Space & Cost Less - MAVROMATIC
Pcb Test Fixture Tool Test Probe Pogo Pin Pitch 5pin 1.5mm Test Programming 1.5 Mm Download Fixture Jtag Hand Held Tool - Pc Hardware Cables & Adapters - AliExpress
AVR ISP connector with pogo pins - Daumemo
Demo PCB for small footprint programming connectors | Tag-Connect