Search found 4 matches

by Woutnme
Tue Jul 23, 2024 8:04 am
Forum: General Discussion
Topic: ESP32-WROOM-32E Boot after reset issue
Replies: 3
Views: 698

Re: ESP32-WROOM-32E Boot after reset issue

I had used this ESP32-WROOM-32U and never problem on this, and in this new 32UE has this problem, the Capacitor will prevent only when first startup, if some body turnoff and turn on quickly maybe can happen, can modify the boot firmwate timeout ? because if can make that change make a software rese...
by Woutnme
Tue Jul 23, 2024 6:14 am
Forum: General Discussion
Topic: ESP32-WROOM-32E Boot after reset issue
Replies: 3
Views: 698

ESP32-WROOM-32E Boot after reset issue

Hi, we are having some throubles with power on the custom ESP32 board, the GPIO0 are floating to programing port, some times when we turn on and turn off fast have this message on the serial port 12:13:32.589 -> rst:0xc (SW_CPU_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) 12:13:32.636 -> configsip: 0, SPI...
by Woutnme
Thu Mar 30, 2023 6:26 am
Forum: ESP32 Arduino
Topic: Esp32 wroom SPI+I2C laging
Replies: 0
Views: 826

Esp32 wroom SPI+I2C laging

Hi people, im using a ESP32 Wroom with vSPI comunication for 4 MAX6675, the CS pin its managed across the I2C io expander pca9555 like out put make the CS for each MAX6675, have another pca9555 for inputs, all works fine most of time, normally low delay 80ms, betwen the ESP32 ask to host he reply an...
by Woutnme
Wed Mar 29, 2023 11:28 pm
Forum: ESP32 Arduino
Topic: Esp32 wroom SPI+I2C laging
Replies: 0
Views: 855

Esp32 wroom SPI+I2C laging

Hi I implementen VSPI default pins for read 4 max6675, the cs pins goes across I2C i/o expander pca9555, and have another pca9555 for inputs. All goes flow fine, 70ms delay max fron host but.... Some times lag 1 or 2 seconds. I fees is the SPI doesn't not catch the 16 bits and keep waiting for it. I...