Make Dumb Electronics Smart for $3

A video on YouTube. In Maker & Builds, a Krater category.

Summary by Krater

The creator modifies a standard RF remote for a projection screen, integrating an ESP8266 microcontroller and a limit switch so it can be controlled via Amazon Alexa.

From the video

Answers: How do you make a dumb projection screen smart with Alexa?

Smart home automation
Microcontroller programming
Circuit modification
Voice assistant integration
3D printing enclosure design

What it concludes

A standard RF remote with a 12-volt battery can be powered and operated reliably using the 3.3 volts from an ESP8266 microcontroller.
A single smart device configuration can control a projection screen up and down by mapping power states to directional movement and using a limit switch to stop it.

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