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Member Since 03 Jul 2014
Offline Last Active Jun 19 2015 11:37 PM

Posts I've Made

In Topic: RF Communication using a FS1000a (433Mhz Wireless Module)

09 June 2015 - 10:39 PM

Hi, did you ever get this working?

In Topic: Netduino RF Receiver

09 June 2015 - 11:59 AM

Hi, did you ever get this to work and could you post the zip of your code?

In Topic: Driving 5v Relay and False Interrupts

17 May 2015 - 05:30 AM

A further update...  disconnected the manual switches and commented out the code and tried using the onboard button to see what behaviour I was getting and the same thing is happening...


On a more sad note....  I was tidying things up and was going to just use the infrared to control everything for now, I also added some resistors for a voltage divider to detect the 12v trigger of the projector so the lift doesn't go up when the projector is on (over heating) and I noticed one of the cables wasn't screwed into the terminal shield...  I must have touched it on another pin by accident and blew an LED on the terminal shield and 'fried' my Netduino P2!!




Need to now order a new board but will just order a Netduino 2 (no plus) :(

In Topic: Driving 5v Relay and False Interrupts

16 May 2015 - 02:02 PM

So I thought I would provide an update...


Been tidying my project up this weekend...  rather that using the LLC, I have a couple of DC - DC Solid State Relays, so I have inserted them between the Netduino and the screen module and I have managed to get the following working....


Screen Module and Lift Actuator are working with the infra red receiver, works really well, can call Up Down and Stop with no issues which is really good news.


When I wire in the manual override switches is when problems start.  When I send an IR code as above with the manual switches wired in, the Netduino starts executing interrupts for the manual switches, even though they have not been touched.  I did add in software bouncing which worked with the switches in isolation but with the other items in the mix I get problems.


These are the switches I am using, Common is wired to Ground and 1 is wired to the Netduino pin.


What are the recommendations to address this one.... do we use different switches, try to address bouncing or... open to suggestions...

In Topic: Driving 5v Relay and False Interrupts

14 May 2015 - 11:45 AM

I stripped the Netduino down to just the Netduino and the LLC to try to get the screen to activate via the onboard button but not much luck.  When the code loaded and the Netduino started up the first time, the screen came down without any interaction.  Some times I could hear the relays ticking over but it it wasn't doing anything to the screen...  


I did have a look at the components in the screen module and managed to identify the relays being used 833h-1a-c and found the data sheet for them

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