Timeline for Difference between 3.3v & 5v
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
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| Oct 17, 2018 at 19:42 | comment | added | Juraj♦ | the esp8266 will not be destroyed. it can tolerate 5 V communication over digital pin. and I doubt there is any from the max chip to esp. but the 5 V chip will not understand the 3.3 V as HIGH | |
| Oct 17, 2018 at 17:31 | history | edited | chrisl | CC BY-SA 4.0 |
deleted 79 characters in body
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| Oct 17, 2018 at 17:13 | comment | added | chrisl | Ah, I misread the question and didn't know, that he already has an ESP8266. I will edit my answer | |
| Oct 17, 2018 at 9:18 | comment | added | Juraj♦ | in the last section you assume Uno. OP wants to connect the matrix to esp8266. the matrix has a control chip which communicates over 2 pins clock and data. will the 3.3 V signal be good for max7129? | |
| Oct 17, 2018 at 7:28 | vote | accept | MintCollie | ||
| Oct 16, 2018 at 20:42 | history | answered | chrisl | CC BY-SA 4.0 |