@heinzv said in 
EFEKTA Temp&Hum sensor(ver. nRF52832 )+E-Ink display:
I've got your Temp/Hum sensor today and the PCB's (3+3). Since I have ordered the cr2477 batteries and your batterholder takes only the cr2450, I've tried it with the program adapter and USB power. It works. Thanks. I have ordered now additional cr2450 batteries.
I took the batteryholder form your list and they are for the cr2477!
Then I soldered my own first two PCB's, the battery PCB and the Sensor PCB. It took me quite a while (3 hours at least). It's nothing for beginners (but I not a beginner )
However during my testing, I found my battery PCB working and the sensor node runs the MYSensors part and the LED blinks but the E-Paper does not work and also the SHT20 returns 998 for temp and hum.
I have not found the C12 capacitor in your parts decription list, but only a C14 (which is not printed on the PCB) with 10uF. So I assumed the C12 = 10uF. I have seached the page and there is no C12. All capacitors are ceramic.
One the other hand, I have not found C14 on the new PCB. Maybe it's below C13 and no part print on PCB? The C13 is larger then the pads below, so it's confusing.
Maybe you can update/correct it on openhwardware, so that I can solder it correct.
So looking for the problems with e-paper and SHT20: A schematic diagram would really really help me, otherwise I'm lost. Please provide it (or at least via a PM?).
Would it be possible to get it? If you have e.g. an Eagle project (schematics and board).
It was really essential, that you provided the programm adapter for the tiny SWD connector. Thanks for that!
here are my soldered PCB's:
There are 3 types of battery holders, I make ready-made devices only on 2450, it is optimal, 2477 very high, the device in the case turns out to be disproportionate.
I solder for about half an hour:). Judging by the description of your problems, it's all about soldering. Solder the temperature sensor and the connector for the display should be a Hairdryer and solder paste. This is by the way perhaps the two most difficult procedures at home.
C13 is a capacitor from 47mf to 200mf, I added it later. C14 is a 0.1 mf capacitor. C12 is a capacitor on the display inductance input, it should be from 4.7 mf to 10mf.
Full schemes there is no, there is only parts of. I have this project done right in the program for PCB layout. But I understand that this is becoming a problem, and I will add the scheme to the project in the near future. Sorry, I know I should have done this a long time ago :((.
You wrote a post last year :), I with the holidays just gave all that up. How you're doing now. Were you able to find a problem with the display and the temperature sensor?
