THEMA:

Hallo Zusammen

Habe ein RCT Vario ersteigert mit Software Version 1.6 drauf und dem BME 280. Leider springt das Vario so extrem hin und her, dass es nicht brauchbar ist. Habe er schon resetet auf die Default Werte von 0.88 / 0.15 und schon diverses verucht aber es wir einfach nicht besser. Es springt bis +- 0.5-0.7 hin und her. Habs auch schon bei Windstille Draussen wie drinnen versucht.

Ev. könnt ihr mir helfen was das sein könnte?

Habe ein Video davon gemacht, aber hier einfach mal paar Screenshots davon.

gruss chris

Translator says you bought it?

With air-pressure based sensor's there will always be a bit of a fluctuation, that does however sound a bit large. I'll check with some different BME's I have how they compare.

I have 3 with BMP280 (Note the BMP, not BME) with 0.88 and 0.15 and with deadband of 3 it fluctuates between +-0.3m and around +-0.15m/s

A MS5611with same settings fluctuates between +-0.1m and around +-0.1m/s, being more accurate and stable.

Unfortunately no BME280's at the moment.

Hello TeroS

Yes i bought an already made one, because the guy made one more and sold it.
yes the fluctuation is very high. i also controlled the hole a the BME280 but it's free and locks ok.
probably a defective BME280? i can not think on anything else right now.

I would think so too. Luckily they don't cost a thing. I would go with MS5611 while on it.

I thought of something, do yo have any draft in your room where you tested it? Those sensors are very responsive...
Just for fun put the senor in an air-tight box, if it jumps too much it might prove it's the hardware.