Petoi Nybble

Petoi Nybble

“A laser-cut robot kitten that runs and learns from you. Hi there, This is Rongzhong from Pittsburgh. Eight months after my first post on OpenCat, I have quite a lot to update. Most importantly, I’m going to launch my …

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Simple Mini Logger

Simple Mini Logger

“A simple humidity, temperature, and pressure data logger. Components Arduino Pro Mini 5V 16MHz SD card module RTC module with battery RJ11 socket (optional) BMP180 pressure sensor (preferably with a 5V input power option on a breakout board) SHT31-D …

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Arduino and MIDI out

Arduino and MIDI out

“In this article, we’ll show how we can use musical instruments using Arduino. We will use the MIDI protocol, a serial protocol that sends messages to musical instruments. The instruments by the sent message know what note they are …

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