AXDL345 Notes

SparkFun MEMS SPI/I2C Triple Axis Accelerometer Breakout – ADXL345 $18.95 https://www.sparkfun.com/products/9836 ADXL345 Hookup Guide https://learn.sparkfun.com/tutorials/adxl345-hookup-guide?_ga=2.48434913.676536663.1556760594-851658892.1545628477 ADXL345 3 Axis, +-2g / +-4g / +-8g /+-16g Digital Accelerometer Datasheet – Analog Devices https://www.sparkfun.com/datasheets/Sensors/Accelerometer/ADXL345.pdf?_ga=2.123987277.676536663.1556760594-851658892.1545628477 ADXL345 […]

Calibrate PH-4502C pH meter Ask Question 1 1 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 However, the instructions to calibrate is in Chinese and seems outdated.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 […]

Dtoverlay extra I2C bus is not working Ask Question 1 I am trying to connect multiple Vl6180x sensors to my Raspberry Pi 3. The addresses of these sensors are 0x29 (unchangeable) so […]

Dtoverlay extra I2C bus is not working Ask Question 1 I am trying to connect multiple Vl6180x sensors to my Raspberry Pi 3. The addresses of these sensors are 0x29 (unchangeable) so […]

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 […]