Search found 7 matches

by bluebirdsoftware
Fri Apr 29, 2022 7:20 am
Forum: General Discussion
Topic: Waiting for download
Replies: 9
Views: 8878

Re: Waiting for download

That is the only one i don't have. It could cause this problem?
by bluebirdsoftware
Thu Apr 28, 2022 8:53 am
Forum: General Discussion
Topic: Waiting for download
Replies: 9
Views: 8878

Re: Waiting for download

Okay, thank you. I will check if my other PCB's don't have this behaviour
by bluebirdsoftware
Thu Apr 28, 2022 7:52 am
Forum: General Discussion
Topic: Waiting for download
Replies: 9
Views: 8878

Re: Waiting for download

The ESP32 Wrover is soldered by JLCPCB (so i hope they know how to solder). This is my normal boot: rst:0x1 (POWERON_RESET),boot:0x33 (SPI_FAST_FLASH_BOOT) configsip: 0, SPIWP:0xee clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 mode:DIO, clock div:2 load:0x3fff0018,len:4 loa...
by bluebirdsoftware
Thu Apr 28, 2022 7:30 am
Forum: General Discussion
Topic: Waiting for download
Replies: 9
Views: 8878

Re: Waiting for download

I already have a 10K resistor between IO0 and 3.3v, a 10K resistor between EN and 3.3v and a 0.1uF capacitor between EN and GND.
It still sometimes boots into "download" mode.
by bluebirdsoftware
Tue Apr 26, 2022 8:04 am
Forum: General Discussion
Topic: Waiting for download
Replies: 9
Views: 8878

Waiting for download

Hello, I have built my own PCB for an ESP32 WROVER. The PCB also has a reset button (from this url: https://www.espressif.com/sites/default/files/documentation/esp32-wrover_datasheet_en.pdf) But once in a few times (say 1 in 10 / 1 in 15 times) it doesn't restart but comes in the "waiting for downlo...
by bluebirdsoftware
Thu Oct 28, 2021 7:26 am
Forum: Hardware
Topic: ESP32 external backup flash
Replies: 2
Views: 2772

Re: ESP32 external backup flash

Thank you for your reply. If i can use the internal storage that would be great too. I don't quiet understand the partitions in ESP32. My firmware now (which is not done yet) shows this: RAM: [= ] 11.5% (used 37632 bytes from 327680 bytes) Flash: [===== ] 51.1% (used 669303 bytes from 1310720 bytes)...
by bluebirdsoftware
Wed Oct 27, 2021 6:47 am
Forum: Hardware
Topic: ESP32 external backup flash
Replies: 2
Views: 2772

ESP32 external backup flash

Hello, I am using an ESP32 with the posibility do update over te air via a http server. I want to prevent update corruption as much as possible and i am having the idea of having an extra flash memory on my pcb (a few mb's) with a default base firmware installed. When the ESP32 is unable to startup ...