@gohan for me version dev (2.2)

@Richard-van-der-Plas

Same trouble for me. I use mySensors since 2 years and I have no problem with my Arduino Gateway. But from now 2 weeks, I try to use a pi gateway. It's working well but sometime, don't no why, my nrf24 stop to receive messages. Just restarting mygw service and re-work again. I don't see nothing anormal in my log, stop randomlly after 1 or 2 days.

Maybe a power issue to nrf24, I will try to add capacitor just for testing if can resolve this problem.

@GertSanders Thanks... after practice and practice and practice again... I have now 4 narrow board working with si7021 sensor... I need to put my solder tip very high and use alot of flux..

@GertSanders Yes I used the version 1.1 and yes I connect the jumper pad correctly.

After some hard test, I found the problem, is it my solder or a bad batch of SMD NRF24L01 I explain my problem, I make a good solder of the SMD NRF24L01, I put power on the board for testing it and is it working for 2-3 loop because I open the led (d6) on each loop. After 2-3 loop the board is freezing. After I check again the solder and some pin of the SMD NRF24L01+ is shorted (check with my multi-meter). I can explain why, is it my skill of soldering or a bad batch of SMD NRF24lL01+. I test with 5 different and always the same, after power it.. it will shorted some pin. I make my order on this ebay store: http://www.ebay.ca/itm/401054727893?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT

@alexsh1 I use the this lib: https://github.com/LowPowerLab/SI7021 My board freeze when initialize with begin function.

I can't have the error exactly because this board don't have any FTDI connection. But the same atmega328p chip with other board, it's working !! I think again is it because the board use internal oscillator.

Hi, I have finally receive your narrow board.. I try with a Si7021 sensor (the GY-21 ebay version) and I have no success. But with your other board, because I have your 2 other board version (ac/dc board and the small battery one) it's working with no problem. The difference I think is the first board without external crystal. After reading in forum, I think with Slim board version, i'm not the first with this problem. Did you test your board with si7021 sensor, or can you give my a clue ?? Thanks

@GertSanders oh thanks, I have made an error... Maybe it will be working with MYSBootloader 1.3pre2 because he don't require any external memory.. Did you try before?

@GertSanders I have a couple of your board and I will be very happy. Now I will want to try the OTA feature with this board. Did you have DualOptiboot already compiled (hex file) with D8 led pin and with 8 mhz external crystal? It will be cool you include this file like Optiboot 6.2.. Thanks

After make some test this morning I found a solution but I do not know why and what is the difference.

I explain:

When I used this DHT librairies (https://github.com/markruys/arduino-DHT), this one come with mysensors librairies. I can read my DHT22 sensor with my FTDI cable but is not working with from a DC 5v in, reading always 0.

But If now I used this librairies (https://github.com/adafruit/DHT-sensor-library) , is working with FTDI cable and now with my DC 5v in.

@AWI Yes I have pull up !