[chbot] Inexpensive ESP32+camera module.

[Mark Atherton]

You have chosen a very demanding piece of video generate, then compress; 
a lot of the video issues appear to be MPEG coding artefacts.

Are you capturing raw or compressed images (MJPEG or JPG) ?

Quite amazing that 5pcs OV2640 sell for US$10 on Aliexpress.

-Mark



On 17/11/2018 6:05 PM, Mike Field wrote:
> Sadly I can't make Monday's meeting, but if I could I would show off 
> an inexpensive  (US$7) ESP32 + 2MP camera module that arrived during 
> the week.
>
> With a little bit of hackery based on 
> https://github.com/igrr/esp32-cam-demo I had a sub-matchbox size 
> camera blutack-ed to the front window, (at an bit of an angle angle) 
> and had a Linux box grabbing an image every 30 seconds or so.(The 
> module can also can run in "streaming" mode at about 5 frames per 
> second).
>
> I then used ImageMagick to convert to a very poor quality MPG file, 
> that you can see at https://youtu.be/WH1A13zad4o
>
> Sure, the images are limited to at most 800x600, frame rates are low,  
> and is quality is best described as "pretty bad", however you do get 
> the controller, WiFi, Bluetooth, a uSD slot and 10 GPIO pins that you 
> can use for other things.
>
> Power is ~150mA when WiFi is active, and haven't tested the deep-sleep 
> power, but guessing it is about 10mA based on the AMS1117 3V3 regulator.
>
> Have a look at 
> https://www.aliexpress.com/item/ESP32-CAM-WiFi-Bluetooth-Module-Camera-Module-Development-Board-ESP32-with-Camera-Module-OV2640-2MP/32919183232.html 
> if interested.
>
> Mike
>
>
>
>
>
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