Initialization: Basic libraries are included, and constant integer values are defined. Setup Function: Serial communication is initiated. Loop Function: Every second, constant integer values are ...

CGA monitors may not be an amazing technological advance these days, but they can generally be found very cheaply. Additionally, they have a DB-9 connector and work off of TTL ranges (0-5VDC) makin… ...

Posted in Arduino Hacks Tagged chest strap, heartrate, monitor, polar ← Working With The µOLED-128-G1 Display SNES Gamepad Coversion To USB → ...

The idea here is to use a cheap clock from IKEA, wire in a bunch of LEDs, connect and Arduino, and then use the 1Sheeld to trigger color changes depending on the traffic time between two points.

This Arduino sketch monitors the voltage output from a potentiometer connected to analog pin A0. It displays the voltage reading on the serial monitor and controls two LEDs based on the voltage level.

You may be interested in a project published to the Hackster.io website earlier this year providing instructions on how to create a simple wearable heart rate monitor using an Arduino Nano R3.

Devices dedicated to this purpose can be pricey in and of themselves, but enterprising Arduino users have created a brilliant answer. Here's how modders created a home energy monitor from an ...

Still, it's a handy project if you need to monitor and track the air quality in your home. Hit up the link below for the Arduino source code, a build guide, and all the details of the tests.