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high accuracy
Check the pin labels on the Water Flow Sensor YF-S401 and match them to your controller voltage
5 V for the regulator to turn on
Because its address is changeable
Pololu USB AVR Programmer v2.1 - ISP + USB-Serial Debug Tool stemma qt high accuracyBuild More with Pololu USB AVR Programmer v2. 1 The Pololu USB AVR Programmer v2. 1 is a practical support part for wiring, level shifting, programming, or mounting in embedded builds. It helps make integration easier and cleaner in prototypes as well as finished systems. Why you'll love it Simple PC connection: uses a standard USB A to Micro B cable (not included) Wide software support: compatible with Microchip Studio, AVRDUDE, and Arduino IDE via
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