Search found 2 matches

by xunxunnihao
Mon Jul 24, 2017 2:20 am
Forum: Hardware
Topic: Look out,I found so many problems with the d2wd!
Replies: 27
Views: 34694

Re: Look out,I found so many problems with the d2wd!

Supply voltage range is 2.3-3.6V, same as for D0WD. I think you should test the chip esp32 d2wd , when you supply the voltage over 3.3v the chip will reset reset and reset. i think there is a big missunderstood here. first: the D2WD works very well in the supply 2.3 - 3.6V itself. BUT cause D2WD ha...
by xunxunnihao
Wed Jul 12, 2017 6:17 am
Forum: Hardware
Topic: What's the matter with the esp32 D2WD Flash download fail ?
Replies: 7
Views: 14323

Re: What's the matter with the esp32 D2WD Flash download fail ?

ESP32-D2WD can not download,the situation I've met too recently. GPIO0 is pulled down,and GPIO12/MTDI is pulled high,the voltage of pin VDD_SDIO is 1.8V. The system power is 3.3V and the clock is 40MHz,all the conditions is satisfied,but still can't download bin to the flash which is embedded the ES...