Tag "ht1632c"

MQTT LED Matrix Display

My MQTT network at home moves up and down a lot of messages: sensor values, triggers, notifications, device statuses,… I use Node-RED to forward the important ones to PushOver and some others to a Blynk application. But I also happen to have an LED display at home and that means FUN. LED displays are cool. Your team’s score, your number in the IRS queue, the estimated arrival time for your next commute,… Now that TVs are replacing LED displays (like the later did with the electromechanical ones) they have acquire an almost vintage-status....

The Rentalito

“Say Hello to The Rentalito!” That was the first message The Rentalito displayed almost 2 years ago. The Rentalito means something like “small rental monitoring thingy” (free translation from “rental” and “ito”, which is the suffix for “small” in Spanish). It was born to display the rentals in a VOD project my team was working at that time. The Rentalito displayed total rentals, rentals by day and it beeped every time a new rental showed up in the database displaying the movie that was just rented....