I'm afraid I can only see one photo at your link - please could you check you're pointing to the whole album?
I'd never heard of the nRF51802 before - that's really interesting. It could probably still run Espruino though - you just won't get much code on it :)
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
This looks really cool. You mean this sensor? https://www.amazon.co.uk/Original-Xiaomi-Intelligent-Temperature-Humidity/dp/B01K3ZSREW/ref=asc_df_B01K3ZSREW/
I'm afraid I can only see one photo at your link - please could you check you're pointing to the whole album?
I'd never heard of the nRF51802 before - that's really interesting. It could probably still run Espruino though - you just won't get much code on it :)
By the way, if you wanted to just read that sensor from an Espruino device, there's a post on it here: http://forum.espruino.com/conversations/333218/