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nodo-domotica.nl • Toon onderwerp - Mijn domotica project(je). - Afdrukweergave
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Mijn domotica project(je).
http://www.nodo-domotica.nl/forum/viewtopic.php?f=35&t=1864		 Pagina 1 van 1
Auteur:  Elektronicahobbyist [ 26 dec 2013, 20:47 ]
Titel:  Mijn domotica project(je).
Beste nodo gebruikers,

ik heb hierbij een beetje studiewerk gedaan om een controller voor een bestaande elektriciteitskast met impulsrelais te maken.
Graag kreeg ik van jullie opmerkingen en/of suggesties.
Het gaat er me vooral om hoe ik het nodo gebeuren het best hierin kan laten passen.
Ik heb hierbij een documentje opgemaakt (zie link) waarin ik op de laatste pagina alle goede ideeën zal toevoegen om tot een goed overdacht systeem te komen.


Groet,
Patrick
Auteur:  Elektronicahobbyist [ 24 maart 2014, 19:49 ]
Titel:  Mijn domotica project(je) ... vervolg ...
In tussentijd wat beginnen bouwen en beginnen programmeren (newbie) ...
Een 433.9MHz ontvanger gekoppeld aan een Arduino Mega 2560 R3.
Op de I2C bus kan men 16 bit expanders PCA9555D (max 8) aansluiten.


23/03/2014 :
V1.02 : PCA9555D Port 0 steeds gebruikt om 8 relais aan te sturen. Port 1 is steeds verbonden met het spanningsdetectiebord.
Indien men 8x PCA9555D zou gebruiken, kunnen we met dit projectje 64 impulsrelais besturen via KaKu afstandsbediening(en) of nodo controller.

28/03/2014 :
V1.02.01 : Nadat het aansluiten van impulsrelais vastgesteld dat bij het schakelen van de relaiskontakten aangesloten op de output poort van PCA9555D de chip zijn initialisatie verliest door stoorpulsen afkomstig van het impuls relais. Op elk kontakt werd een capaciteit van 470nF/100V aangebracht. Tevens werd de software lichtjes aangepast. Voor en na een write naar een outputregister van de PCA9555D telkens een reïnitialisatie gedaan.

07/04/2014 :
V1.03 : Er wordt nu met minimaal 2x PCA9555D gewerkt. Eén dedicated voor 16 inputs de andere voor de 16 outputs. Adres range voor de inputs 0x20 t/m 0x23, voor de outputs 0x24 t/m 0x27. Op elk relais kontakt een capaciteit van 470nF/100V aanbrengen !
Auteur:  rwijbenga [ 26 maart 2014, 01:14 ]
Titel:  Re: Mijn domotica project(je).
Je hebt er goed werk van gemaakt, denk dat daar nog genoeg nieuwe mogelijkheden liggen.
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