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 Click to access PMTK_A11.pdf GlobalTop GPS […]

How to DIY a 4 bit Magnetic Core Memory for Rpi [on hold] Ask Question -1 Question How to DIY a 4 bit Magnetic Core Memory for Rpi? Stories This morning I […]

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 […]

Update 2019feb03hkt2157 – Latch Up References Latch-up – Wikipedia https://en.wikipedia.org/wiki/Latch-up A latch-up is a type of short circuit which can occur in an integrated circuit . More specifically it is the inadvertent creation […]

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 However, the instructions to calibrate is in Chinese and seems outdated.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 […]

Update:  https://raspberrypi.stackexchange.com/questions/96653/ph-4502c-ph-sensor-calibration-and-adc-using-mcp3008-pcf8591-and-ads1115   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 However, the instructions to calibrate is in Chinese and seems outdated.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 […]

Difference between Raspbian “latest” and “full latest” Ask Question 0 The Raspbian download page seems to have one option more than previous versions. Until now I recall there was only “with Desktop” and “Lite”. […]

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 However, the instructions to calibrate is in Chinese and seems outdated.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 […]

I would like to switch on the Raspberry GPIO using an NPN transistor (2n2222) Ask Question 0 Hello guys I am currently working on a project. and I would like to turn […]

i2c references Activating the second I2C bus on Raspberry Pi from Python – Sebastian Ludwig 2014oct9 https://procrastinative.ninja/2014/10/29/activating-the-second-i2c-bus-on-raspberry-pi-from-python/ Using the 2nd I2C bus [ONLY] on the 2B v1.1 – HenriZ 2016feb28 https://raspberrypi.stackexchange.com/questions?sort=newest How […]