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tlfong01

Electronics Hobbyist

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gps notes

Adafruit Ultimate GPS HAT for Raspberry Pi A+/B+/Pi 2/Pi 3 – Mini Kit – US$45 https://www.adafruit.com/product/2324 Ultimate GPS Module Tutorial https://learn.adafruit.com/adafruit-ultimate-gps PDF File https://cdn-learn.adafruit.com/downloads/pdf/adafruit-ultimate-gps-hat-for-raspberry-pi.pdf?timestamp=1556509130 Command Set https://cdn-shop.adafruit.com/datasheets/PMTK_A11.pdf GlobalTop GPS chip datasheet https://cdn-shop.adafruit.com/datasheets/GlobalTop-FGPMMOPA6H-Datasheet-V0A.pdf […]

Feeds 21:34 2 A: Controlling 28byj48 bipolar convert with l293d ic Question Stepper 28byj48 unipolar OK with uln2003 Slit the red wire so there are only two windings Measured ohms across coils. Pin […]

Calibrate PH-4502C pH meter Ask Question 0 I have a pH meter (DIY-4502C) hooked up with Raspberry Pi. However, the instructions to calibrate is in Chinese and seems outdated. Does anybody know how to […]