Better use this one:
why ?
Not only, because it’s cheaper, but because it’s handmade from someone who has knowledge on designing antennas.
And because you get it in a few days from slovakia.
No waiting for china post, no hazzle with VAT… 
Pycom has a 15% off code to celebrate The Things Conference (which was amazing!)
WELUVTTN15
Valid until Tuesday (Feb 6)
Atmel-ICE - Programmer + debugging tool for ARM Cortex-M based SAM and AVR microcontrollers
Now 50% off
https://www.microchipdirect.com/product/search/all/ATATMEL-ICE
What’s the difference between basic and full kit ? Hard to see 
That were my thoughts too. Two additional cables maybe?
At least the full kit is cheaper (now). 
isn’t a Segger J-link edu cheaper ? or can’t you compare these …
The Atmel one does AVR and ARM
Any thoughts about these boards?
Are this the next generation replacements for Arduino Pro Mini and Pro Micro?
SAMD21 ARM Cortex M0
https://www.aliexpress.com/item/SAMD21-M0-Mini-32-bit-ARM-Cortex-M0-core-Pins-UnSoldered-Compatible-with-Arduino-Zero-Arduino/32779722487.html (Not exactly a bargain yet).
STM32 ARM Cortex M3
blink works 
but I remembered that not everything compiled on the arduino IDE… forgot what exactly
mmmmmm … interesting
433 Mhz
(I can only see the images btw, no product page etc.)
I know… its ‘china pictures only’ 
ones a week I scan the chinese eBay for strange looking devices
What does it do? 
I couldn’t help myself and searched for it. It is a “wireless communication debug board”
https://www.englishtaobao.net/Product/564253905186/
(*oh, you linked it already…)