Putting together a cheap photo frame

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A digital photo frame is a great thing to showcase photos of your family members, friends and home animals. The master wanted to make a small and cheap photo frame for photographs. For its manufacture, he used ESP8266 WEMOS D1 and 1.8 TFT panel ST7735.
The body of the master prints on a 3D printer. Files for printing can be downloaded here.

Next, you need to mount and install everything in the case. Installation according to the diagram for ESP8266 (here) and ST7735 (here). You can also see the connection in the picture below.

This photo frame uses the internal memory of the ESP8266 module. Thus, you do not need an external SD card. You can convert a 128x160 pixel photo to an array of C using the LCD image Converter. The 4-megabyte flash ESP8266 is enough to store a large number of photos. You can download the utility here.

Photos must be stored in the photos.h array. Also for this application, the Adafruit GFX library and the Adafruit ST7735 file are required. Archive with sample code and software can be downloaded here.

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January 14, 2020 12:20 +2

Reply To quote A complaint

Korolev,
I am old tablets with dead batteries and an already non-renewable android 2.7, I adapted entirely for photo frames. I just made "baguette" frames for them ...))))

January 14, 2020 11:00 0

I wondered: is it possible to implement the use of this photo frame without third-party software? Probably you can, you just need to use ESP32 (160 MHz or 240 MHz) instead of ESP8266 (80 MHz) to install micropython, and use it to organize the conversion of photos into some kind of bytearray (probably it’s not necessary to use Adafruit libraries with RGB565 display) at an acceptable speed from a more or less acceptable format like png or bmp. For example, here:
https://forum.micropython.org/viewtopic.php?f=2&t=4806&start=20
On classic python, all this is organized using PIL (Pillow), and Numpy could potentially come in handy.

But in Micropython they are not. But there is:
Replacing PIL with a fork of PyPNG https://github.com/Ratfink/micropython-png

Here the plus is that you can potentially implement downloading photos directly from the Internet, and not use moronic SD cards or USB cables with a laptop.
In general, we have to work with this.

January 14, 2020 10:11 0

Curious, but the old smartphone can not be adapted for this business?

Putting together a cheap photo frame

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