Search found 15 matches

by nullbert
Sat Nov 23, 2024 7:48 pm
Forum: General Discussion
Topic: ESP32-P4 - when can we see an 'action cam' demo: h.264 video+audio capture to SD card
Replies: 2
Views: 595

Re: ESP32-P4 - when can we see an 'action cam' demo: h.264 video+audio capture to SD card

Those look like a good start.

Could the ESP team see the benefit of creating an end-end demo of recording video to SD card?

It seems like a pretty obvious demo, right?

Thanks for the replies and help!
by nullbert
Fri Nov 22, 2024 1:47 pm
Forum: General Discussion
Topic: ESP32-P4 - when can we see an 'action cam' demo: h.264 video+audio capture to SD card
Replies: 2
Views: 595

ESP32-P4 - when can we see an 'action cam' demo: h.264 video+audio capture to SD card

Hi, the ESP32-P4 holds promise for creating the equivalent of an action camera - record h.264 1080P video + audio, and write it to SD card.

I assume this would be a pretty straightforward and popular demo. When can we expect to see a demo of this from espressif?

Thank you very much!
by nullbert
Thu Oct 24, 2024 4:16 pm
Forum: ESP-IDF
Topic: esptool via python code - "Failed to enter Flash download mode. Only got 2 byte status response."
Replies: 2
Views: 600

Re: esptool via python code - "Failed to enter Flash download mode. Only got 2 byte status response."

Update, I think I have a working example in the github issue linked in this post.
by nullbert
Wed Oct 23, 2024 9:25 pm
Forum: ESP-IDF
Topic: esptool via python code - "Failed to enter Flash download mode. Only got 2 byte status response."
Replies: 2
Views: 600

esptool via python code - "Failed to enter Flash download mode. Only got 2 byte status response."

Hi, I'm trying to flash an ESP32-S3 within my python program. using esptool (4.8.1) I can successfully flash using the command line version of esptool.py: esptool.py -p /dev/ttyACM0 write_flash 0x10000 firmware.bin However, my sample code generates an error when calling esp.flash_begin(): Failed to ...
by nullbert
Thu Aug 11, 2022 6:40 pm
Forum: Hardware
Topic: how can connect esp32-s3 to the sd card in 4-bit sdio protocol
Replies: 5
Views: 8923

Re: how can connect esp32-s3 to the sd card in 4-bit sdio protocol

Hello, Related to this question, we are looking to use the ESP32-S3-WROOM-2-N32R8V in a project. We want to attach an SD card in 4 bit mode. Per the datasheet, it appears the -S3 supports two separate SD card "slots". * Would we be able to connect the SD card in 4 bit mode independent of the interna...
by nullbert
Fri Jun 24, 2022 5:31 pm
Forum: Hardware
Topic: Cannot program ESP32-U4WDH Flash, flash not detected.
Replies: 5
Views: 4610

Re: Cannot program ESP32-U4WDH Flash, flash not detected.

This piqued my interest. I couldn't find anywhere in the datasheet - or in the technical reference manual, or hardware integration guide - any mention of GPIO16, GPIO17 recommending not being connected for flashing firmware. Right now I have these connected to a button and used as an output to an LC...
by nullbert
Wed Jun 08, 2022 9:38 pm
Forum: Hardware
Topic: ESP32-U4DWH - analog power supply design when not using WiFi
Replies: 13
Views: 7308

Re: ESP32-U4DWH - analog power supply design when not using WiFi

Hi, actually, the hardware design guidelines were very helpful for me: https://www.espressif.com/sites/default/files/documentation/esp32_hardware_design_guidelines_en.pdf Aside from the notes in this thread, I also omitted the sensor caps. For the analog section I just used a 0.1uF capacitor; we'll ...
by nullbert
Sat Jun 04, 2022 5:43 pm
Forum: Hardware
Topic: ESP32-U4DWH - analog power supply design when not using WiFi
Replies: 13
Views: 7308

Re: ESP32-U4DWH - analog power supply design when not using WiFi

Thank you again for your help.

Espressif does a great job supporting their user community - other companies should take note of this.
by nullbert
Sat Jun 04, 2022 4:42 am
Forum: Hardware
Topic: ESP32-U4DWH - analog power supply design when not using WiFi
Replies: 13
Views: 7308

Re: ESP32-U4DWH - analog power supply design when not using WiFi

No problem, thanks for the reply. I'm making just a simplified version of it with 0.1uF capacitors and tying to 3.3v. Two more questions: * For the RC network on CAP2 on Pin 47 - if we don't care about power consumption for sleep mode, we can leave Pin 47 disconnected, right? * For VDD_SDIO - as I u...
by nullbert
Thu Jun 02, 2022 3:14 pm
Forum: Hardware
Topic: ESP32-U4DWH - analog power supply design when not using WiFi
Replies: 13
Views: 7308

Re: ESP32-U4DWH - analog power supply design when not using WiFi

Hi, any word on this topic? We're waiting to order some prototype boards. :)

Thanks again for your help!