ESP32-picbooth

What is this?

Take a selfie on your mobile phone and upload it to your esp32 OLED screen.

Or maybe your sleeping cat?

What is this (II)?

It is also possible to run https://guvcview.sourceforge.net/ on a Raspberry Pi / Eee Pc like a real "Picture Booth" and have that image show on the esp32's OLED. That was the orignal intent.

Why?

This can be a fun ice-breaker at a holiday get together / party like Thanksgiving or wherever humans gather.

Requirements

• esp32
• Raspberry Pi or equivalent like EEE PC running linux
• An OLED - this works great - https://www.amazon.com/gp/product/B08KY21SR2/ - 0.96" OLED Display 128x64 Pixel SSD1306 I2C

Setup

• In order to set this up you'll first install your esp32 on your wireless network and connect an OLED screen. For fun, in this project I have 2 OLED screens connected to the esp32 using the ssd1306 driver as well as the sh1106 driver.

• If you want a 'real' photo at a decent size, this project also supports the - 320x240 SPI Serial ILI9341 - https://www.amazon.com/dp/B09XHJ9KRX - (set displayt in pic_runner.py)

• Since the esp32 is not powerful enough to process images and does not have the pillow package you'll need another computer like a Raspberry Pi to process the images. This machine will be running Flask/Flask Reuploaded and will accept the uploaded images, process them and make available (run pic_booth.sh to move them in the background). A text string is what the esp32 will consume to be able to display the image on its OLED.

I would recommend reviewing the Brilliant Walk Through for more in depth technical details as they have already done the work.

• Configs / Libraries shared in https://github.com/jouellnyc/mcconfigs

Mobile Screen Shot

Hints

• Lighting is EVERYTHING!
• modify your DNS to point to something like 'upload' to find the upload server easily.

References

• sh1106 driver

https://github.com/robert-hh/SH1106/blob/master/sh1106.py

• Gurgle Apps (base64 and ssd1306 driver)

https://github.com/gurgleapps/image-to-code

https://gurgleapps.com/tools/image-to-code

Free Online Image Editor - ResizePixel https://www.resizepixel.com/

• Brilliant Walk Through

https://www.youtube.com/watch?v=MOI9qBAAClo&t=728s

• Flask Reuploaded

https://pypi.org/project/Flask-Reuploaded/

• ESP32 PINOUTS / HW

https://docs.micropython.org/en/latest/esp32/quickref.html#hardware-i2c-bus

https://lastminuteengineers.com/esp32-pinout-reference/

https://docs.micropython.org/en/latest/esp32/quickref.html

https://microcontrollerslab.com/esp32-pinout-use-gpio-pins/

https://electronics.stackexchange.com/questions/583433/is-it-possible-to-use-two-i2c-interfaces-with-the-esp32-using-micropython