Luc Patiny

Currently I don't have this problem anymore and you can close the ticket. Definitely not urgent.

Ok thanks. This solves the problem for now.

We could use amplification like https://www.adafruit.com/product/1063 Amplification could be controlled using a digital potentiometer http://www.instructables.com/id/Digital-Potentiometer-MCP41100-and-Arduino/

mcp41100 was ordered on ebay

Should work and much cheaper than digital resistor

https://en.wikipedia.org/wiki/Bradford_protein_assay We need: * Coomassie Blue G250 that cost less than $40 at Acros

Seems the best would be a 5k digital pot: MCP4352 (volatile memory) Only 10k in stock ... otherwise 10 weeks delay ! http://www.mouser.ch/ProductDetail/Microchip-Technology/MCP4352-103E-ST/?qs=sGAEpiMZZMuD%2f7PTYBwKqXgP1OD3IVkFaJJUbXBGegg%3d MCP4362 (permanent memory). 5k in stock !...

Driver https://libraries.io/platformio/ArduMax%20MCP41xxx%20Driver

TPS60400 was bought (30 pcs)

May always think about one wire: DS18B20Z+T&R Package: SOIC-8_EP_150mil LCSC Part #: C97190 Mfr.Part #: DS18B20Z+T&R