A simple adapter to connect ARMT Cotext development boards SEGGER's J-Link and also provide access to the virtual COM port.
The adapter can be directly plugged into the 20-pin JTAG interface. On the other side, the 10-pin header JP2 can be connected to the SWD interface of the dev kit. J-Link requires a connection to the target VDD as well. Finally, the J-Link provides a 5V output, which can be used to power the dev board as well (please check documentation about how to configure this)
It can be ordered at OSHpark