NRF24 problem

[gohan]

A common error is a loose wire or just wiring error. Check continuity from arduino pins to radio pins just to make sure.

[raulandresmoch]

@Boots33 said in NRF24 problem:

this post

Tks for your answer, I will double check the wiring (Again), on the POST that you sent me the IRQ on he NRF24 its not wired to anything. Mine its wired to Pin 2 on the Pro Mini.

[gohan]

IRQ of the nrf24 is not used on the nodes but can be used on the raspberry gateway

[raulandresmoch]

@gohan Could that be the problem?!?! I will try it when I get home, but on my first sensor im pretty sure I used the IRQ. Thank you for your time and help.

[gohan]

I don't think it will matter... you could also try the latest mysensors 2.2, I am happy with it so far

[raulandresmoch]

@gohan But if I use the 2.2 I have to update the other nodes and the gateway?? Im worried to mess the ones that are working.

[raulandresmoch]

@gohan So I builded another Hum/Temp node, I did it on a protoboard and uploaded the sketch, It worked fine, then I took out the LED and the Regulator from the Promini and power it with 4AA batteries (5.5 V total) STOPED working again!!!! Could I have burn it with that Voltage!??? Or burn the NRF24?!?! This is getting really frustrating, maybe if I use a Nano instead of Promini.................

[mfalkvidd]

@raulandresmoch do you mean that you powered the nrf24 with 5.5V?

[raulandresmoch]

@mfalkvidd Nope I powered the whole system, but I think that without any regulator yes, the NRF24 recived 5.5v, I think I blew it !!!

[gohan]

Yup, nrf24 is 5v tolerant only on data pins.

[mfalkvidd]

According to the nrf24 datasheet, absolute maximum power voltage is 3.6V

[raulandresmoch]

@mfalkvidd YEEEESSS definitely that was the problem!!!! Well .......... "Living and learning" I blew two Nrf24 antenas!!!

[raulandresmoch]

@mfalkvidd So I just got home and power another NRF24 with the 3.5 volt coming from the USB-STC-ISP and its working, I need to figure out how to power the Arduino with only 3.5v from a 6v power source (4 AA batteries). Can you guys help me with some ideas to do it?! I thought in doing it with 2 resistors but Im not sure, I dont want to burn another NRF24

[gohan]

Just use 2 of the 4 batteries you have, solder a wire extra on the battery holder and you have 3v. If I were you I'd buy some 3.3v pro mini and some LiFePo4 AA batteries that have the correct voltage for everything.