Is an $80 combo oscilloscope/multimeter any good? A look at the Zotech ZT-702S, with street price around US$60 https://s.click.aliexpress.com/e/_DFsZNAV If you find my videos useful you may consider supporting the EEVblog on Patreon Forum: https://www.eevblog.com/forum/blog/eevblog-1540-the-$80-zotek-zt-702s-osciloscope-multimeter-review/