ESP32 crashes on esp_netif_internal_dhcpc_cb() – SOLVED
The ESP32 crashes on esp_netif_internal_dhcpc_cb() when being used as a NAT router with cellular modem and Wi-Fi or ethernet – SOLVED!
esp-idf
ESP32 Ethernet PHY chips supported by Arduino and ESP-IDF
Detailed notes on which ESP32 ethernet PHY options are supported by the most recent ESP32 Arduino releases and ESP-IDF.
Searching for ESP32 Network Interfaces using esp_netif API
ESP32 supports Wi-Fi, ethernet, PPPoS modem and other custom networking interfaces. Using esp_netif, you can search network interfaces.
ESP32 I2C Repeated Start Condition with ESP-IDF Example
ESP32 I2C repeated start or restart condition can be generated using the ESP-IDF I2C driver library. Here is how, with example code.
ESP32 NTP and DS3231 RTC
This article illustrates an easy way to sync ESP32 NTP and DS3231 RTC time so that ESP32 can use the RTC chip seamlessly in an application.
ESP32 cannot save JSON file to SD card – Solved
We troubleshoot a situation where the ESP32 cannot save JSON file to an SD card. The program in question is based on the ESP-IDF.
Base64 Encoding and Decoding on ESP32
The ESP-IDF contains functions for enabling Base64 encoding and decoding on ESP32. The encoding and decoding functions are actually built