Thanks. Which library does this? LittleFS, SPIFFS?
Edit: Never mind, it seems it exists in both...
Thanks again, and Happy New Year!
Search found 31 matches
- Mon Dec 27, 2021 4:14 pm
- Forum: ESP32 Arduino
- Topic: Directly read n-th line in a file in SPIFFS
- Replies: 4
- Views: 7161
- Sun Dec 26, 2021 11:20 pm
- Forum: ESP32 Arduino
- Topic: Directly read n-th line in a file in SPIFFS
- Replies: 4
- Views: 7161
Re: Directly read n-th line in a file in SPIFFS
Thanks for your answer. I think this is exactly my case.
My file would be made of several lines (around 2000) each of which is made of 197 bytes.
So it's easy to know the exact place of each lines.
How can I then access for example the 200th line?
My file would be made of several lines (around 2000) each of which is made of 197 bytes.
So it's easy to know the exact place of each lines.
How can I then access for example the 200th line?
- Sun Dec 26, 2021 12:17 am
- Forum: ESP32 Arduino
- Topic: Directly read n-th line in a file in SPIFFS
- Replies: 4
- Views: 7161
Directly read n-th line in a file in SPIFFS
Hi
Is it possible to access directly a given line of a file stored in SPIFFS, I mean without reading all the lines before from the beginning of the file ? Thanks
Is it possible to access directly a given line of a file stored in SPIFFS, I mean without reading all the lines before from the beginning of the file ? Thanks
- Thu Jul 23, 2020 8:18 am
- Forum: Hardware
- Topic: Pick up WiFi noise
- Replies: 3
- Views: 4752
Re: Pick up WiFi noise
Thanks for your answers. You are right, I need to give more details. I want to generate a different random voltage value 80 million times per second. I am currently considering the Zener circuit, but as I saw that the ESP32's true random number generator was based on reading the antenna voltage (or ...
- Wed Jul 22, 2020 3:14 pm
- Forum: Hardware
- Topic: Pick up WiFi noise
- Replies: 3
- Views: 4752
Pick up WiFi noise
Hello
In a project I need to create some random white noise at very high frequency (80 MHz). Would it be possible to pick up the noise from the antenna port and amplify it to do this?
If yes, should I connect some wires in parallel to the antenna port of my ESP32 board?
Any idea welcome. Thanks
In a project I need to create some random white noise at very high frequency (80 MHz). Would it be possible to pick up the noise from the antenna port and amplify it to do this?
If yes, should I connect some wires in parallel to the antenna port of my ESP32 board?
Any idea welcome. Thanks
- Sun Jul 21, 2019 3:37 pm
- Forum: ESP32 Arduino
- Topic: ESP32 + OLED + battery reboots constantly
- Replies: 0
- Views: 2639
ESP32 + OLED + battery reboots constantly
Hi I recently purchased on AliExpress a board with an ESP32, an OLED display and a battery support. It is very similar to this one: https://ae01.alicdn.com/kf/HTB1a6.lkaSWBuNjSsrbq6y0mVXaI/For-ESP32-0-96-0-96-inch-OLED-Display-WiFi-Bluetooth-18650-Lithium-Battery-Shield-Development.jpg_640x640.jpg I...
- Thu May 16, 2019 12:43 pm
- Forum: ESP32 Arduino
- Topic: Cannot connect to NTP server with fixed IP
- Replies: 7
- Views: 14029
Re: Cannot connect to NTP server with fixed IP
Changed the order of the parameters in the config. Changed the DNS to 8.8.8.8.martinayotte wrote: ↑Tue May 14, 2019 3:15 pmAs I said, try using 8.8.8.8 as DNS, it should work ...
It works now, thanks a lot!
- Tue May 14, 2019 8:09 am
- Forum: ESP32 Arduino
- Topic: Cannot connect to NTP server with fixed IP
- Replies: 7
- Views: 14029
Re: Cannot connect to NTP server with fixed IP
@martinayotte : Actually, I don't know. How can I find this information?
@boarchuz : I'll try to change the order. Thanks
@boarchuz : I'll try to change the order. Thanks
- Mon May 13, 2019 1:31 pm
- Forum: ESP32 Arduino
- Topic: Cannot connect to NTP server with fixed IP
- Replies: 7
- Views: 14029
Cannot connect to NTP server with fixed IP
Hi I usually use the sketch from here https://lastminuteengineers.com/esp32-ntp-server-date-time-tutorial/ to get the time via NTP. But when I use a fixed IP for my ESP32, the connexion to the NTP server doesn't work anymore. Here is the modified sketch: the fixed IP part works in any other conditio...
- Thu May 02, 2019 7:56 am
- Forum: General Discussion
- Topic: IP Address of Clients in AP mode
- Replies: 5
- Views: 10264
Re: IP Address of Clients in AP mode
Is there a way to know the IP address of a client connected to the ESP32 as SoftAP using Arduino IDE ?