$7 Oscilloscope with Raspberry Pi Pico [Scoppy]

This video is in Japanese, so please watch it with English translation subtitles.
Introducing a lowcost oscilloscope that can be made with an android device and parts cost of about $ 7.
The necessary parts are Raspberry Pi Pico, breadboard, 4 resistors, 2 jumper wires, etc. You will also need an android device. It is recommended not only as the first unit for those who do not have an oscilloscope, but also as a sub unit for those who do have one.
◆About Scoppy
　Github：github.com/fhdm-dev/scoppy
　Scoppy web site：oscilloscope.fhdm.xyz/
◆Time stamp
0:00 opening
0:20 basic performance
1:09 Necessary Parts/Equipment
1:51 working procedure
2:01 STEP1 Install the Scoppy app
2:24 STEP2 Transfer firmware
2:59 STEP3 Initial operation check
3:51 STEP4 Making the front-end circuit
5:13 STEP5 Calibration
7:16 Insert into case
7:38 Operation check
8:08 ending

[@kaz2198]

とても分かりやすい動画です。ありがとうございます。ぜひ、オペアンプのバッファ回路の紹介もお願いします。

[@picolabo1]

コメントありがとうございました。とても励みになります。 バッファ回路は次回の動画で取り上げる予定ですので、もう少しお待ちくださいませ。

[@user-hn4tg2su4d]

Does the phone have to support OTG?

[@picolabo1]

yes, it does.

[@nfhk438]

左からしか聞こえん...

[@picolabo1]

あらま、本当ですね。ご指摘ありがとうございました。