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 However, the instructions to calibrate is in Chinese and seems outdated.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 However, the instructions to calibrate is in Chinese and seems outdated.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