Search found 48 matches

by Adham Aboud
Thu Oct 29, 2020 7:22 am
Forum: General Discussion
Topic: BLE read characteristic fail
Replies: 0
Views: 1484

BLE read characteristic fail

Hello all, I'm using ESP32 device as a BLE client and server at the same time. ESP32 as a client works fine and can read characteristic from the server. But once a client connects to ESP (master), ESP stops to read characteristic and "esp_ble_gattc_read_char" returns ESP_FAIL! Can any one help pleas...
by Adham Aboud
Tue Oct 27, 2020 3:31 pm
Forum: General Discussion
Topic: ESP32 BLE Client and server simultaneously
Replies: 0
Views: 1658

ESP32 BLE Client and server simultaneously

Hello All,

I'm running ESP32 as a BLE client and server simultaneously, everything seems to be OK but I noticed the when a client disconnected from ESP32 server a ESP_GATTC_DISCONNECT_EVT triggered also at the same time
What should I do to prevent such behavior?

Thank you,
by Adham Aboud
Mon Nov 18, 2019 6:42 am
Forum: General Discussion
Topic: Latest ESP-IDF components unresolved inclusion
Replies: 1
Views: 2800

Latest ESP-IDF components unresolved inclusion

Hello All,

When compiling a custom component with the latest ESP-IDF, that is using nvs flash I receive unresolved inclusion for
#incluse "nvs.h"

What should I do ?
by Adham Aboud
Thu Aug 01, 2019 6:46 am
Forum: General Discussion
Topic: ESP32 Speed up loading
Replies: 4
Views: 5254

Re: ESP32 Speed up loading

Hello WiFive and thanks for your response. I see that it's more than 1 second. I don't exactly know what is the booting time. I can measure it later The need for faster boot is because of response to HW that needs to set a declared GPIO for high level before 1 second passes. Because batteries. Or be...
by Adham Aboud
Thu Aug 01, 2019 6:40 am
Forum: General Discussion
Topic: Small ESP32 Modul ( all include in new ESP32-PICO )
Replies: 150
Views: 199430

Re: Small ESP32 Modul ( all include in new ESP32-PICO )

Thank you my friend for your help ;) Where I can find the antenna component to buy? hi Manufacturer Proant: Type Proant 440 example DigiKey 1532-1001-1-ND example SE Spezial example Top Electronic USA example Octoparts .. Keyword is "Proant 440" also: have a note to this Proant 440 post have a note ...
by Adham Aboud
Wed Jul 31, 2019 3:10 pm
Forum: General Discussion
Topic: Small ESP32 Modul ( all include in new ESP32-PICO )
Replies: 150
Views: 199430

Re: Small ESP32 Modul ( all include in new ESP32-PICO )

Where I can find the antenna component to buy?
by Adham Aboud
Wed Jul 31, 2019 2:14 pm
Forum: General Discussion
Topic: ESP32 Speed up loading
Replies: 4
Views: 5254

ESP32 Speed up loading

Hello All,

Is there is a way to speed up the boot procedure with ESP32?
by Adham Aboud
Tue May 21, 2019 1:12 pm
Forum: General Discussion
Topic: ADC1
Replies: 1
Views: 3318

ADC1

Hello All,

I'm trying to test the ADC peripheral of the ESP32 using the ADC example. I've connected Source voltage (3.3 to 2.9v) to GPIO34
My problem is that the ADC value is not changing when I change the voltage.
Capture.PNG
Capture.PNG (66.68 KiB) Viewed 3318 times
Any Ideas ??

Thank you in advance
by Adham Aboud
Sun Apr 14, 2019 4:02 pm
Forum: General Discussion
Topic: Bluetooth SPP not working with iOS
Replies: 6
Views: 10490

Re: Bluetooth SPP not working with iOS

I think that I didn't make myself clear enough. My situation is the following: 1. ESP32 act like an acceptor (can accept devices to be connected to) 2. Phones sends large amount of data to ESP32 That is my situation, and I'm looking for a standard bluetooth profile ,rather than SPP profile, that I c...
by Adham Aboud
Sun Apr 14, 2019 3:24 pm
Forum: General Discussion
Topic: Bluetooth SPP not working with iOS
Replies: 6
Views: 10490

Re: Bluetooth SPP not working with iOS

https://support.apple.com/en-us/HT204387 Hello WiFive, First I would like to thank you for your reply, secondly I have to transfer "large data" via bluetooth, SPP profile was good solution for that. So now I'm facing a problem with iOS. Is there any good profile that can be used to transfer "large ...