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Category:

Firmware

ESP32 NTP and DS3231 RTC
ESP32 Firmware

ESP32 NTP and DS3231 RTC

by Pratik (PCBArtist) January 10, 2021

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.

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esp-idf enable fat32 long filename support menuconfig
ESP32 Firmware

ESP32 cannot save JSON file to SD card – Solved

by Pratik (PCBArtist) December 26, 2020

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.

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firmware-development-blog-articles
ESP32 FirmwareFirmware

Solved: “designator outside aggregate initializer”

by Pratik (PCBArtist) July 23, 2020

You might come across this error “C99 designator outside aggregate initializer” when you are compiling projects based on C code, but the compiler is expecting C++ code. For example, we…

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firmware-development-blog-articles
ESP32 FirmwareFirmware

Getting Started with Arduino and ESP32

by Pratik (PCBArtist) July 22, 2020

Getting started with Arduino and ESP32 is much simpler these days, given that Espressif now supports it. Back in the day when ESP32 was a new chip in the market,…

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firmware-development-blog-articles
ESP32 FirmwareFirmware

Base64 Encoding and Decoding on ESP32

by Pratik (PCBArtist) May 31, 2020

The ESP-IDF contains functions for enabling Base64 encoding and decoding on ESP32. The encoding and decoding functions are actually built into the ESP32 ROM. The functions are accessible by using…

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