Science

Various topics of interest appear here to highlight project activity that is technical in nature. These posts are about subjects and accomplishments at a substantive and abstract level of learning or interest. From hardware, software, and systems to other areas of learning, there are subjects here concerning ongoing personal and professional interests.

Battery Powered Nano Development Module

Battery Powered Nano Development Module

While experimenting with a 128x32 OLED as a voltage meter, it becomes apparent that the display and its associated Arduino SBC provide a pretty good way to set them together ... Read More
Temperature Monitor & Control with a DHT22 Sensor

Temperature Monitor & Control with a DHT22 Sensor

With a DHT22 (AM2302) temperature and humidity sensor, an Arduino Nano is programmed to activate a relay that in turn permits a fan that provides cooling to a designated system, ... Read More
IMU Acceleration, Gyro, & Magnetometer Calibration

IMU Acceleration, Gyro, & Magnetometer Calibration

In an effort to produce reliable quantitative angles of tilt and roll of the IMU module, it is necessary to calibrate all 9-axis vectors. Acceleration, gyroscope, and magnetometer are together ... Read More
IMU Data Serial Plotter Setup and Configuration

IMU Data Serial Plotter Setup and Configuration

Similar to the serial plotter on the Arduino Sketch IDE, there is a useful real-time serial plotter application at the Hackaday site. It is free and it offers configuration options ... Read More
BNO055 IMU 9-Axis DOF Acceleration Analysis

BNO055 IMU 9-Axis DOF Acceleration Analysis

In an effort to further delve into the inner workings of the BNO055 accelerometer and its functions, the serial plotter was applied to the project. To better understand how the ... Read More
BNO055 IMU 9-Axis DOF Hardware & Software Setup

BNO055 IMU 9-Axis DOF Hardware & Software Setup

Once initial hardware is in place, it is necessary to gather the libraries to run the software and get connectivity and begin gathering the Arduino unit and the BNO055 IMU ... Read More
LED Matrix Display with Single Digit Messaging

LED Matrix Display with Single Digit Messaging

The LED Matrix display in this project can be more versatile than other typical LED indicators. Standard LEDs and 7-segment LEDs have their unique or dedicated purpose for readout or ... Read More
Motion Detector with Passive Infrared (PIR) Sensor

Motion Detector with Passive Infrared (PIR) Sensor

This project involves a motion detector that "observes" its immediate environment to inform the Arduino that an active state change is present. The Arduino in turn processes that state change ... Read More
Binary Counter, Logic & Circular Shift Register

Binary Counter, Logic & Circular Shift Register

The 74HC595 is a CMOS logic device that functions as an 8-bit Serial-Input / Serial or Parallel-Output shift register with latched 3-State Outputs. The shift register accepts serial data and ... Read More