Search found 1683 matches

by WiFive
Thu May 24, 2018 2:47 am
Forum: General Discussion
Topic: esp_image checksum failed while reboot test
Replies: 6
Views: 82

Re: esp_image checksum failed while reboot test

If it seems to get stuck randomly but works on the next try you could modify the 2nd stage bootloader to restart instead of quit.
by WiFive
Thu May 24, 2018 12:01 am
Forum: Hardware
Topic: What is the ESP32-WROVER-B?
Replies: 1
Views: 69

Re: What is the ESP32-WROVER-B?

It is probably the second gen version of wrover like the wroom-32d/u so it should have improved rf and more certifications.
by WiFive
Tue May 22, 2018 1:33 am
Forum: General Discussion
Topic: Wrong ULP Consumption ?
Replies: 6
Views: 148

Re: Wrong ULP Consumption ?

1.4mA is usually with adc or touch powered on. You are measuring module/chip consumption only right? Although for some reason it is reported as 1.4ma here https://github.com/espressif/esp-iot-solution/blob/master/documents/low_power_solution/esp32_ulp_co-processor_and_assembly_environment_setup_en.m...
by WiFive
Mon May 21, 2018 10:59 pm
Forum: General Discussion
Topic: Wrong ULP Consumption ?
Replies: 6
Views: 148

Re: Wrong ULP Consumption ?

Did you try adc_power_off
by WiFive
Sat May 19, 2018 11:24 pm
Forum: Hardware
Topic: Incorrect ADC Voltage After Calibration
Replies: 4
Views: 155

Re: Incorrect ADC Voltage After Calibration

Because the adc value will hit zero at ~0.1v so it can only tell you the voltage is ≤0.1
by WiFive
Sat May 19, 2018 12:43 pm
Forum: Hardware
Topic: Incorrect ADC Voltage After Calibration
Replies: 4
Views: 155

Re: Incorrect ADC Voltage After Calibration

Adc cannot measure below ~0.1v

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