Large Display Controlled by SMS

Large Display Controlled by SMS

Display made of LED strip. Displays the number sent by SMS. Arduino Pro Mini + SIM800.

  • 3,127 views
  • 3 comments
  • 12 respects

Components and supplies

Necessary tools and machines

Hy gluegun
Hot glue gun (generic)

Apps and online services

About this project

Two years ago, someone wanted to display the number of vacancies in a hotel by the roadside ad. He wanted to be able to update this number remotely and that it would be a display (non-standard, the height of the digit 300mm) and that it would be inexpensive.

I suggested updating by sending an SMS. The project was not complicated for me, so it did not take me much time.

Tests:

Short demo video:

Schematics

Current driver - TTL to PNP max. 2A
This is current driver controled by TTL signal gives positive voltage output max. 2A
Wlasny ttl pnp driver qdfwluszuo

Comments

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