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FIrmata

EECS 1011 and 1021 Lab Kit (2025/26 version)

[as of May 21, 2025, this is a public draft] This kit is updated from 2024/25 edition of the kit with three new sensors, one extra actuator, an extra cable and "crib sheets" for Matlab and Java. The lab kit for the two courses include the following list of items We'll be asking the Bookstore […]

Your Arduino or Grove Board needs a Driver

Some students will find that their Grove Beginner Kit for Arduino board will have trouble being recognized by their Windows or macOS machine. It is important that you download the driver from SiLabs if this is the case, as per the instructions found on the Wiki page for the Grove Beginner Kit. That page will […]

Version 2.3.9 of Firmata4j

Summary to installing Firmata4j for Java projects in EECS 1021: Either one should work fine, but the 2.3.9 version should operate a little more cleanly. When using Maven to load the Firmata4j library you'll can only use up to version 2.3.8 and you'll need to load dependencies in a particular order, as per my earlier […]

Firmata4j and a Simple DHT20 example

After my earlier blog post from today, I wanted to verify that I could read single bytes of data from other sensors on the Grove Beginner Kit for Arduino. The next target? The DHT20 sensor. According to the data sheet, I should be able to be able to request a status byte and that that […]

Firmata Example : I2C Sensor + Java & Firmata4j

A lot of Arduino projects are meant to always be attached to a PC, transferring data back and forth between the Arduino and the PC. That's why Firmata, a program that sits on the Arduino and allows a program on your PC to remotely read from sensors and buttons and transmit to things like speakers […]