GeekProjects News · @news
4 followers · 3116 posts · Server geekprojects.com
Op Amp Challenge: An Ultra-Cheap pH Sensor Amplifier https://hackaday.com/2023/05/02/op-amp-challenge-an-ultra-cheap-ph-sensor-amplifier/ #instrumentationamp #OpAmpChallenge #contests #hardware #pHmeter #op-amp
#instrumentationamp #opampchallenge #contests #hardware #phmeter #op
João Vitória Silva · @joaovitoriasilva
5 followers · 49 posts · Server mstdn.social
This is driving me crazy!!! Trying to calibrate my #phmeter and it shows 4.0 on a 7.0 solution.
So I am at a point where I cannot calibrate it and my readings are all wrong. Does anyone have a clue how to fix this?
#homegarden #hydroponic #JoinIn #ph
#ph #JoinIn #hydroponic #homegarden #phmeter