Hello I'm new in the field of electronics but i'll like to know can i measure the resistance of a microsensor of platinium which "pads" are only 1mm in a low-cost and easy way?
Indeed i have seen that there micromanipulators which allows you to do it, but not having this equipment i'm looking how to build really small needles and how to read/recover the measurement experimentally ? I do have the multimeter i just need to build a sort of 4-wire homemade measurement . Any ideas?
Thank you
If you have access to 3D printer you can design a spring loaded clip with slots for contact needle, otherwise you can search for cloth clips with suitable spring tension and then attach contact needles to it. For contact needles, you can use cloth stitching needle or cut a thick copper wire with sharp shear cutter at an angle to get pointed end.
Dear Rosa Jimenez
These papers might help, have a look:
1. https://www.researchgate.net/publication/257354863_Low_cost_wireless_passive_microsensors_for_the_detection_of_hazardous_compounds_in_water_systems_for_control_and_monitoring
2. https://agris.fao.org/agris-search/search.do?recordID=US201500116518
3. https://pubs.acs.org/doi/10.1021/acssensors.9b01455
4. https://people.eecs.berkeley.edu/~pister/290Q/Papers/Wireless%20Microsensors%20UCLA%2096.pdf
Kind Regards
Qamar Ul Islam
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