attiny85 and NRF24L01 for low power sensor

6 years 8 months ago #110 by bule0017
Hi
Is it posible to use your library for attiny85 and use only 3 pins for nrf24l01 control.
I know it can be used hackaday.com/2014/02/16/nrf24l01-using-3-attiny85-pins/
But it would be very cool to use attiny because of cost if I use a lot of sensors..
Thank you very much

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6 years 8 months ago #114 by EasyIoT

bule0017 wrote: Hi
Is it posible to use your library for attiny85 and use only 3 pins for nrf24l01 control.
I know it can be used hackaday.com/2014/02/16/nrf24l01-using-3-attiny85-pins/
But it would be very cool to use attiny because of cost if I use a lot of sensors..
Thank you very much


Hi. I don't have experience with attiny85 and NRF24L01. I'm using modified Arduino pro mini. I plan to build custom low power board. Maybe someone other in this forum have experience with attiny85. Please report if you will successfully connected attiny85 and NRF24L01.

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6 years 8 months ago #119 by PupazzoGnappo
Hi,
i was interested in developing attiny85 nodes too. But as you can see in hackaday post, there are a few problems with this kind of project and library.
The first problem is that Mysensors library is too large to fit an attiny85 ( 8K, 2K for bootloader if installed) , also for dumb routines.
The second problem is that the guy in the post has developed the circuit to work specifically with a modified versione of "Mirf" library, that is not the library used in this project.

Maybe we can find alternative ways to implement this trick, but i think that we must start from another base-plan

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Plain is smart. Smart is plain

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