Loto USB Oscilloscope OSC482M for Both Android Phone/Tablet & Windows PC, 2 Channels, 50M S/s, 20MHz (Bandwidth), 8~13 bit Vertical Resolution: Amazon.com: Industrial & Scientific
Android Phone Mini Wireless Wifi Digital Oscilloscope for Windows Computer 50M 200Msps Professional - AliExpress
DIY Make Oscilloscope for Mobile [By Mic input] - YouTube
DIY SmartPhone Oscilloscope using Raspberry Pi Pico
Pokit Meter – Portable Multimeter, Oscilloscope and Logger | Elektor
android - How can I use my smartphone as an oscilloscope? - Electrical Engineering Stack Exchange
HS101: A high quality, and Cheap DIY Oscilloscope - Electronics-Lab.com
Make Oscilloscope from Phone - YouTube
Compocket Minis Digital Mini USB Oscilloscope, Pocket-Sized, 2 Channels, 2 MHz Bandwidth, Works with Smartphones, Tablets & PC, Smart Measurements in Seconds : Amazon.sg: Industrial & Scientific
SmartScope - Reinventing the oscilloscope by LabNation — Kickstarter
FHDM's DSO-500K Turns a Raspberry Pi Pico W Into a Wi-Fi Oscilloscope with Android Interface - Hackster.io
Chinese electronics products tested (141 tests): DS212 smartphone oscilloscope tested
Mobile Phone Oscilloscope - YouTube
$3 Homemade Oscilloscope for Smartphones and Tablets. - YouTube