Update: This popular deal is still available.
Amazon has
Siglent SDS1104X-E 100Mhz 4-Channel Digital Oscilloscope for
$399.10.
Shipping is free.
Thanks to Community Member
Ross1987 for finding this deal.
Features:- Math co-processor speeds front panel operation
- Waveform capture rate up to 100,000 wfm/s (normal mode), and 400,000 wfm/s (sequence mode)
- Low background noise and 500 μV / div to 10 V / div voltage scales
- Serial decoding is free and includes IIC, SPI, UART, CAN, and LIN
- On-screen Bode plot and web-browser control (standard on 4 channel only)
- WiFi control (optional on 4 channel only)
- True measurement and math can use all 14 Mpts of memory
- Large 7-inch TFT-LCD display with 800 * 480 resolution
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Top Comments
Single channel basic <5Mhz Kits/Handhelds
- $20-30 - DSO138 https://www.amazon.com/s?k=dso138+oscilloscope[/url] ]
- $35 - 138 Pro https://www.amazon.com/LCD-Handheld-Digital-Oscilloscope-Oscilloscopes/dp/B09XWHRFGV[/url] ]
- $20-40 - JYEtech DSOShell handheld (kit or assembled) https://www.amazon.com/s?k=dsoshell+oscilloscope[/url] ] (I've built this kit - avoid knockoffs if you want to do firmware upgrades)
- $49 - Espotek Labrador https://www.amazon.com/EspoTek-Labrador-Easy-Use-All/dp/B07CVB7ZJG/[/url] ] (I own this - super limited specs, but also tiny postage stamp size and versatile features (multimeter/waveform generator) and can be used with smartphone or web app - I bought this when it was $29 - not sure I'd want to pay the current price)
- $50 - 5Mhz mini oscilloscope https://www.amazon.com/s?k=5+mhz+oscilloscope[/url] ]
- $80 - LM2020 / ET828 2-in-1 Multimeter Oscilloscope - https://www.amazon.com/s?k=lm2020+et828[/url] ] (I own this - it's VERY basic but occasionally useful)
- $90 - 5012h 100mhz single channel handheld https://www.amazon.com//dp/B085NPW4W9/[/url] ]
Dual channel 20Mhz+
- $80-100 Hantek 6022 series USB PC oscilloscope https://www.amazon.com/s?k=hantek+6022[/url] ] (Probably the best bang for your buck if you don't mind needing a PC to use it)
As someone else suggested you might find an old CRT-based scope on Craiglist or FB marketplace, but just about every single one I've ever encountered was worn out and needed calibration or a lot of work.
Also, FWIW, I also own the 200mhz 2-channel version of this Siglent and it's excellent.
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I'm getting back into electronics with a little more knowledge and am building up a power supply with a Ender 3 PSU and one of those nice RD6006 buck/boost converters with the display and buttons.
100 MHz, 2 analog + 16 digital channels.
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100 MHz, 2 analog + 16 digital channels.
OP even states why it says that and admits he's on the spectrum, yet people continue to give him shit for it. It's a little disheartening to see people act so childish over a harmless mistake. Especially people that probably haven't contributed themselves.
So why the downvotes? Because this is a community of people trying to find deals and they don't appreciate the drama or rudeness people have exhibited in this thread.
At least, that's what I've gathered.
edit: not sure how good this is but it's probably enough for what you need. https://www.ebay.com/itm/26378370...medi
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100 MHz, 2 analog + 16 digital channels.
edit: i've only ever used green screen oscopes or digital ones that could save screenshots to a flash drive. Can it somehow save an analog image to a floppy disk?
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