Search found 4 matches
- Tue Apr 20, 2021 9:47 am
- Forum: Hardware
- Topic: ESP32-WROOM-E and PSRAM
- Replies: 0
- Views: 1452
ESP32-WROOM-E and PSRAM
Hello Espressif, I have a project with esp32-wroom module and psram. In the previous version of this module (version D), it's was possible to add external psram. But on new version module (version E), the pin for psram is not connected. Does it exists a version of ESP32-WROOM-E with this pin connect...
- Thu Dec 03, 2020 10:03 am
- Forum: Hardware
- Topic: high current peak at boot
- Replies: 6
- Views: 10268
Re: high current peak at boot
I mean by micro power cut to stop power about( for example) 100 ms before to recover power. With this test, I want to be sure that the esp32 will always start properly after perturbation on power delivery. We need to stay on 300mA power supply because (not limited) we test it on our application with...
- Wed Dec 02, 2020 9:58 am
- Forum: Hardware
- Topic: high current peak at boot
- Replies: 6
- Views: 10268
Re: high current peak at boot
Thanks you for your reply. I note that you don't guaranteed perfect working with 300 mA power supply. I make some tests in different condition with two cores active at 240 MHz and wifi at 0 dBm: With this setting in stress test (high rate of http request) or in wifi scan mode, I never see a current ...
- Mon Nov 30, 2020 9:30 am
- Forum: Hardware
- Topic: high current peak at boot
- Replies: 6
- Views: 10268
high current peak at boot
Hi everyone, I'm working on project with esp32 and I use IDF v3.3.4. On my custom board, I have a technical limitation about 300 mA on esp32 power supply. I need to keep two cores active at 240 MHz. So to be sure to have the same working pattern between each card in production, I decide to disable "...