Cables

Modified: 29 September, 2020

Insulation materials, cable types, standards, mutual capacitance and more info on cables.

Component Designators

Modified: 28 September, 2020

A list of the most popular component designators used on schematics and PCB silkscreens.

PROFIBUS

Modified: 28 September, 2020

Standards, transmission distances, baud rates, transceivers, high-level protocols and more info about the PROFIBUS communication protocol.

Linux Serial Ports Using C/C++

Modified: 27 September, 2020

A walk-through on how to configure serial ports correctly in Linux.

Buck Converters

Modified: 23 September, 2020

SENSORS

Carbon Dioxide (CO2) Sensors

Date Published:	April 3, 2013
Last Modified:	April 3, 2013

Overview

The primary method for detecting carbon dioxide (CO2) is to use infrared gas sensors (NDIR). Chemical sensing is another method for detecting CO2. CO2meter.com sells a range of CO2 sensors, and provides support to connect them easily to an Arduino (see here for a UART example).