Archive:AirCasting Shield: Difference between revisions
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Arduino Shield for [http://www.aircasting.org/ AirCasting]. Simpler than their wiring mess. | Arduino Shield for [http://www.aircasting.org/ AirCasting]. Simpler than their wiring mess. | ||
== | == Revision 1 == | ||
=== | === Hardware === | ||
* Sensors: SHT22, MQ-7, MQ-135 | * Sensors: SHT22, MQ-7, MQ-135 | ||
** Proper heater drive for MQ-7, thanks to Citizen Sensor [http://thesis.jmsaavedra.com/prototypes/technology/mq-7-carbon-monoxide-sensor-breakout/] | ** Proper heater drive for MQ-7, thanks to Citizen Sensor [http://thesis.jmsaavedra.com/prototypes/technology/mq-7-carbon-monoxide-sensor-breakout/] | ||
* Board: Prototype milled at OHM2013 | * Board: Prototype milled at OHM2013 | ||
* Issues: | * Issues: | ||
** MQ-* sensors didn't fit into their holes -> holes to small. Also pads to small, soldering was a pain and required some hacking to the board. | ** MQ-* sensors didn't fit into their holes -> holes to small. Also pads to small, soldering was a pain and required some hacking to the board. | ||
| Line 12: | Line 12: | ||
** Sensors get quite warm | ** Sensors get quite warm | ||
==== Pictures | === Software === | ||
Small Arduino test programm, using some [http://fluuux.de/2012/10/arduino-temperatur-und-luftfeuchtigkeit-mit-dem-dht22-prufen/ DHT22 Tutorial] and this [http://thesis.jmsaavedra.com/prototypes/software/mq-7-breakout-arduino-library/ MQ-7 Library] (with a few changes to fix stuff) for proper heater driving. | |||
* All sensors return data that seems legit at first sight. | |||
=== Pictures === | |||
{| | {| | ||
| [[File:Aircasting_rev01_01.jpg|200px|thumb]] | | [[File:Aircasting_rev01_01.jpg|200px|thumb]] | ||
Revision as of 13:00, 15 August 2013
Arduino Shield for AirCasting. Simpler than their wiring mess.
Revision 1
Hardware
- Sensors: SHT22, MQ-7, MQ-135
- Proper heater drive for MQ-7, thanks to Citizen Sensor [1]
- Board: Prototype milled at OHM2013
- Issues:
- MQ-* sensors didn't fit into their holes -> holes to small. Also pads to small, soldering was a pain and required some hacking to the board.
- Relais fairly loud.
- Sensors get quite warm
Software
Small Arduino test programm, using some DHT22 Tutorial and this MQ-7 Library (with a few changes to fix stuff) for proper heater driving.
- All sensors return data that seems legit at first sight.
