Drinking Cola equals to Drinking Toilet Cleaner?

I have heard of various adverse cola using methods long since. One of these methods is using as the toilet cleaner. Seriously? In the holiday, our member Mr. Mi with his son Little Mi made an electronic PH test paper with micro:bit. The test paper will tell you the truth!

The introduction indicates the highlight of the DF scientific kit is to upload data to IoT platform. The sample plate test figure above shows that the scientific kit shall include a PH sensor. The experimental design in the figure is to map the PH value into the steering engine and show the test result with pointer.

Required components of the project include: