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nodo-domotica.nl • Toon onderwerp - The return of the NRF24L01 ... - Afdrukweergave
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The return of the NRF24L01 ...
http://www.nodo-domotica.nl/forum/viewtopic.php?f=26&t=2175		 « Vorige  Pagina 2 van 7  Volgende »
Auteur:  mvdbro [ 26 jul 2014, 16:45 ]
Titel:  Re: The return of the NRF24L01 ...
Auteur:  mvdbro [ 26 jul 2014, 16:53 ]
Titel:  Re: The return of the NRF24L01 ...
Auteur:  mvdbro [ 26 jul 2014, 16:58 ]
Titel:  Re: The return of the NRF24L01 ...
Auteur:  DMeekelenkamp [ 27 jul 2014, 10:56 ]
Titel:  Re: The return of the NRF24L01 ...
dat is goed nieuws. Ben al een tijdje opzoek naar een andere frequentie ivm drukte op de ether. Is al bekend wat het bereik is van deze modules? En als de eventlist te versturen is zou helemaal ideaal zijn.

Gr Dennis
Auteur:  manjh [ 28 jul 2014, 14:05 ]
Titel:  Re: The return of the NRF24L01 ...
Auteur:  mvdbro [ 31 jul 2014, 16:32 ]
Titel:  Re: The return of the NRF24L01 ...
Auteur:  manjh [ 13 aug 2014, 14:40 ]
Titel:  Re: The return of the NRF24L01 ...
Auteur:  manjh [ 14 aug 2014, 22:15 ]
Titel:  Re: The return of the NRF24L01 ...
Ik heb een mega en een Pro mini met een rf transceiver uitgerust, en heb die twee ook via I2C gekoppeld.
In de Small staat nu deze eventlist:
1: UserEvent 1,1; VariableSend 1,RF
2: UserEvent 1,1; Delay 1
3: UserEvent 1,1; VariableSend 2,RF
4: UserEvent 1,1; Delay 1
5: UserEvent 1,1; VariableSend 3,I2C
6: UserEvent 1,1; Delay 1
7: UserEvent 1,1; VariableSend 4,All

Wiredthreshold staat op 0, met een SettingsSave opgeslagen.
Als ik een UserEventSend 1,1 doe vanuit de mega, dan zie ik via I2C var3 en var 4 binnenkomen.
Via RF is er geen verbinding.

Probleem is nu: hoe kan ik dit debuggen? Doet de transceiver op de mega het niet, of op de small? Of beide?
Ik heb ook al beide transceivers met een nieuwe geswapped zonder resultaat.
Verder heb ik de voedingsspanning op de transceiver gemeten: keurig 3.3 volt.

Wat kan ik doen?
Auteur:  manjh [ 16 aug 2014, 14:12 ]
Titel:  Re: The return of the NRF24L01 ...
Ik was het zat om in het donker te tasten met die small, dus heb nu twee Mega's naast elkaar liggen, met alleen plugin93 erin. Beide voorzien van eenNRF module, identiek aangesloten.

Je voelt hem al aankomen: de ene mega moppert nergens over, is (na de WiredThresholds op nul te zetten) ook stil.
De andere Mega start wel op, meldt dat hij "waiting for serial input" is, en geeft daarna helemaal geen sjoege meer.
Ik heb geprobeerd om eens te compileren zonder plugin93, en dan start hij zonder problemen.

Heb ook al geprobeerd om de twee RF units te swappen: ze zitten samen op een breadboard dus dat was een kwestie van jumpwires wisselen, maar het probleem bleef hetzelfde.
Ook andere RF modules geprobeerd, zonder resultaat.

Wat is er fout?
Auteur:  manjh [ 16 aug 2014, 17:13 ]
Titel:  Re: The return of the NRF24L01 ...
Laatste nieuws: de twee Mega's verstaan elkaar via 2.4GHz!
Het enige dat ik heb gewijzigd, is dat ik de twee condensatoren over de voeding heb gezet. Dat had ik niet gedaan omdat ik dacht dat het alleen voor verbetering van het bereik was, en de twee units liggen naast elkaar. Dussss....

Maar kennelijk zijn ze toch belangrijker dan ik dacht.

Hoe dan ook, ik heb nu twee Mega's die met elkaar communiceren. Volgende stap is een Pro Mini. Maar dat wordt nu veel makkelijker, omdat ik een "bewezen werkende" basis heb....

Voor nu: tijd voor een goed glas... :)
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