Search found 480 matches

by mikemoy
Mon Feb 24, 2020 3:03 pm
Forum: General Discussion
Topic: ESP32, eeprom/nvs
Replies: 1
Views: 874

Re: ESP32, eeprom/nvs

It would probably be a better idea to post that question over at their forum.
by mikemoy
Fri Feb 21, 2020 6:53 pm
Forum: ESP-IDF
Topic: SPI Callback Functions
Replies: 4
Views: 976

Re: SPI Callback Functions

When you run those 2 (master & slave ) examples as is without any changes does it work fine ?
by mikemoy
Fri Feb 21, 2020 11:11 am
Forum: ESP-IDF
Topic: SPI Callback Functions
Replies: 4
Views: 976

Re: SPI Callback Functions

What IDF version are you using?
by mikemoy
Fri Feb 21, 2020 4:21 am
Forum: ESP32 Arduino
Topic: ESP32 SPI display issue with high Frequency
Replies: 2
Views: 1658

Re: ESP32 SPI display issue with high Frequency

The first thing to check is what is the max speed in MHZ that panel can receive data at.
The next thing is how long your wires are to the LCD. The longer the wires the slower you can run MHZ
by mikemoy
Thu Feb 20, 2020 6:37 pm
Forum: Hardware
Topic: [solved] Reset: is a 10K resistor required ?
Replies: 8
Views: 1807

Re: Reset: is a 10K resistor required ?

Either way is ok.
Whats is happening is when it comes out of reset, its checks GPIO0 state. If high then it boots up normally. If low then it goes into flashing mode.

So, just as long as GPIO0 is low BEFORE reset (EN PIN) returns high your in flashing mode.
by mikemoy
Wed Feb 19, 2020 9:54 pm
Forum: General Discussion
Topic: ESP-IDF Tools Installer Failed exit code 1
Replies: 0
Views: 594

ESP-IDF Tools Installer Failed exit code 1

I downloaded ESP-IDF Tools Installer v2.2. https://docs.espressif.com/projects/esp-idf/en/latest/get-started/windows-setup.html#esp-idf-tools-installer I got an error code 1 during the install. What is the reason it failed? Setup Log 2020-02-19 #003.txt Just in case people are afraid of a virus, her...
by mikemoy
Wed Feb 19, 2020 7:46 pm
Forum: Hardware
Topic: [solved] Reset: is a 10K resistor required ?
Replies: 8
Views: 1807

Re: Reset: is a 10K resistor required ?

No sweat.... To answer your question is yes you can keep it low during flashing.
by mikemoy
Wed Feb 19, 2020 4:25 pm
Forum: Hardware
Topic: [solved] Reset: is a 10K resistor required ?
Replies: 8
Views: 1807

Re: Reset: is a 10K resistor required ?

By the way, do I have to maintain RESET engaged all along the flashing process, or just at the begining ??
If its held in reset, how could you flash it?

https://github.com/espressif/esptool/wi ... -Selection
by mikemoy
Tue Feb 18, 2020 9:27 pm
Forum: Hardware
Topic: Custom ESP32 Board Programming
Replies: 1
Views: 881

Re: Custom ESP32 Board Programming

hold the relevant boot strapping pins up
Lets be clear, what pins are you talking about.
by mikemoy
Tue Feb 18, 2020 2:36 pm
Forum: Hardware
Topic: Pico D4 with a Lipo battery
Replies: 2
Views: 997

Re: Pico D4 with a Lipo battery

You can't simply just slap a LiPo batter to the input of any regulator, and expect it to work. There is a thing called dropout voltage for regulators. For example, some regulators need to be fed 1.2v above the voltage you want it to regulate at. You need to look at the data sheet for that regulator ...

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