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935 B
935 B
UppSense17- Open Source sensor for chemical analysis based on fuoresence.
Hardware
The hardware consists out of three PCBs so far: An analog PCB, a digital PCB and an active Backplane. Two PCBs are developed with KiCAD. One is developed with Altium.
A transimpedance amplifier is used to convert light into a voltage. With a second stage this voltage is amplified. Both outputs are available for the ADC.
On the digital board there is besides an ESP8266, an ADC, an DAC and a temperature sensor. The DAC is needed to steer the LED driver circuit, that excites the sample.
Software
The software is written in C++ leveraging the Sming framework.
Web & Contact
Website: www.uppsense.eu | Email: contact@uppsense.eu