OpenSprinkler › Forums › Hardware Questions › DIY Kit Assembly Questions › detecting uSD › Reply To: detecting uSD October 31, 2014 at 10:19 am #34333 RayKeymaster @Alan: thanks for reporting it. At the moment we don’t test the uSD card slot on DIY kit, which means an issue like this can slip out of our testing. Sorry about that. We will improve the testing procedure to include uSD card test. Thanks.