Hii,
I am currently working on a sericulture automation project using arduino uno, arducam, Dht11 sensor and esp32.
I have the .jpg file and .txt file saved on the sd card of the datalogger shield i need to fetch that from the sd card send it to esp32/esp8266 which in turn sends it to a webserver using api integration.
As per my research i havent found any codes which helps me achieve this. I have the logic but i dont know how should i proceed forward and what should i use.
How will the Uno and the ESP be connected to send data? Serial? I2C? SPI? WiFi?
No helper is surprised. You will be the person making that code! Look forward to lots of work, reading manuals and specifications.
SPI or WiFi open to suggestions
Are you have a Wifi on the Uno?
As the Uno is a 5V and the ESP is a 3V3 SPI connecting the devices together would involve more components and require the MCU's to be close together. Do you have level shifters?
Does your Uno have WiFi?
Why is a Uno required for this project when a ESP32 can operate a SD card reader?
You don't find code to achieve this because it just is not done often enough you will have to write the code yourself.
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