/members-area/b/blog/posts/samd21-mini-modulesI recently came across same small footprint SAMD21 boards that I&#39;ve found to be very useful for tinkering. I&#39;ve used the SAMD21 processors with a number of Arduino boards (Nano 33 IoT, MKR WAN 1300, MKR WiFi 1010) and I&#39;ve been happy with...en-USTelligent Community 12https://community.element14.com/members-area/b/blog/posts/samd21-mini-modulesTue, 01 Nov 2022 11:49:06 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:2ad7c4ed-5788-46a0-a7cb-37dc41dd895coz8et1<p>I did a very stupid thing. I tried to program the example program&nbsp; USB_desc. Of course it turns the USB into a host, and the port disapear frm the list s&aring; it can-not be reprogrammed. Stupid yes - but how can I get the device back to the old state?</p><img src="https://community.element14.com/aggbug?PostID=10293&AppID=75&AppType=Weblog&ContentType=0" width="1" height="1">https://community.element14.com/members-area/b/blog/posts/samd21-mini-modulesMon, 30 Nov 2020 16:33:06 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:2ad7c4ed-5788-46a0-a7cb-37dc41dd895cneilk0<p>Hi Ralph,</p><p>&nbsp;</p><p>Interesting little board and a very neat demo. Thanks for posting.</p><p>&nbsp;</p><p>Neil</p><img src="https://community.element14.com/aggbug?PostID=10293&AppID=75&AppType=Weblog&ContentType=0" width="1" height="1">