Affordable oscilloscope

I was looking for affordable oscilloscope and found the very popular DSO4102C for 300$

Hantek DSO4102C Digital Multimeter Oscilloscope USB 100MHz 2 Channels LCD Display Osciloscopio Portatil Waveform Generator|hantek dso4102c|oscilloscope usboscilloscope usb 100mhz – AliExpress

The DSO4104B model with 4 channels for 372$ would be better, but there was no shipment from Europe.

https://www.aliexpress.com/item/32999530813.html

Some tutorials

(39) A year later: Hantek DSO4102C Oscilloscope – YouTube

(39) Hantek DSO4102C и DSO5102 стоит ли переплачивать – YouTube

More useful links about oscilloscopes

Things to consider when choosing a Basic Oscilloscope (rs-online.com)

Why Oscilloscope Bandwidth Matters « Adafruit Industries – Makers, hackers, artists, designers and engineers!

Comparison of Hantek DSO4102C and Hantek DSO5102P – ScopeChart.com