Greetings.
Please tell me a working example of sending images to telegram using the esp_http_client API.
There are no problems with sending messages via JSON, but I still can’t beat sending files.
Thanks in advance!

Good day! Help to connect an external compiled library libalgobsec.a to the ESP-IDF and PlatformIO project (maybe this is essential). I created a driver library with the following structure (maybe this is wrong): https://i.ibb.co/Z6gq4gH/image.png I tried to do it by analogy with https://www.esp32.c...

Good day everyone! How to properly use esp_http_client_config_t cfg.use_global_ca_store = true; As far as I understand, global CA storage is designed to store several certificates, which can then be used by one or more https requests. How I did: 1. When the application is launched on the MCU, the fo...

Good afternoon. ESP32-WROVER + ESP-IDF , WiFi works in STA mode (connects to a router). Until Friday, the device worked successfully for more than a month. Physical connection to the port showed that esp_wifi_connect() now always returns ESP_ERR_WIFI_CONN. A search for this error does not give anyth...

Thank you for your reply. Yes, I got it yesterday. I set up SPIRAM, and now I have a lot of free memory.

Good afternoon! I am currently developing a fairly large ESP32 program using ESP-IDF and PlatformIO. After some time, there was a problem with a lack of RAM, especially at times when there are problems with Internet access, and the device is forced to "save" data not sent to the server. To solve thi...