💬 Easy-Peasy Amplified MySensors Serial Gateway

[openhardware.io]

https://www.openhardware.io/view/457/Easy-Peasy-Amplified-MySensors-Serial-Gateway

[Yveaux]

Are you sure the wemos can supply sufficient power for the amplified nrf?

[mfalkvidd]

@Yveaux good point. Wemos D1 mini uses a ME6211 ldo which is rated for 500mA (600mA absolute maximum). If I remember correctly, the nrf24 with pa/lna needs a maximum of 115mA and the esp8266 itself 160mA. So there should be plenty of margin.

[Yveaux]

@mfalkvidd said in 💬 Amplified MySensors Serial Gateway:

Wemos D1 mini uses a ME6211 ldo which is rated for 500mA

I hope all the clones will use the same LDO, or equivalent then ;-)

[korttoma]

@Yveaux said in 💬 Amplified MySensors Serial Gateway:

I hope all the clones will use the same LDO, or equivalent then ;-)

Lets hope people stick to the originals since they are not that expensive

https://wemoscc.aliexpress.com/store/1331105

[scalz]

very simple :)

I agree with yveaux though, always good to have some optional footprints for decoupling in case. No idea if there are some. Also, putting electronics above antenna (of esp8266) is not very recommended, but this should work.

[skywatch]

This does not use the genuine NRF24L01+ by the looks of it.

The wording is clever, but the imported parts list does not include Norway and the device is only 'based on' and imported chip from Norway. Nowhere does it say it incorporates this chip and if you look at the RF spec, it can operate higher than the NRF spec sheet for the real chip.....

[NeverDie]

I don't know anything more than you do. However, you could substitute a different amplified nRF24L01+ module if you prefer. I can say that it seems to work alright at 250kbps and 1mbps. 2mbps is possibly problematic, though in my limited testing the cause of that may be unrelated.

[NeverDie]

I had a chance to test the module more thoroughly, and it appears to work just fine at 2mbps also. So, as of this moment, everything seems good, and I'm not aware of any problems. :)

[seaspac]

is there a connection diagram?

[NeverDie]

The newer E01-2G4M27D has more powerful transmit and more sensitive receive capability:

https://www.aliexpress.com/item/4000536940861.html?spm=a2g0s.9042311.0.0.58a24c4dtdfoIK

[KevinT]

I know this thread is old but it seems the most relevant. I just tried to compile the standard GatewaySerial.ino sketch using Wemos D1 mini as board type and I get error:

MyMainESP8266.cpp:95:9: error: 'cont_can_yield' was not declared in this scope;

I'm using MySensors Library v2.3.2

I'm assuming this used to work. Is it broken or I am doing something wrong?

[mfalkvidd]

Great to see you again @KevinT

It is broken, and you are doing something wrong :-)

Use the latest supported version of the board definitions. See https://forum.mysensors.org/post/114086

[KevinT]

Hi @mfalkvidd
I rolled back the esp8266 library to 2.6.2 and it compiles.
Is there an upcoming release to fix this?
Thanks :-)

[mfalkvidd]

@KevinT did you read the thread I linked?

[KevinT]

Yes, Lol, you have 2 PRs but both have issues. I looked, but I didn't manage to find them on Github/MySensors. I did read that espressif updated their esp8266 core to use standard Arduino yield functions. I guess it's related to that.

[mfalkvidd]

@KevinT should be one of these https://github.com/mysensors/MySensors/pulls?q=is%3Apr+esp8266+sort%3Aupdated-desc+