Products > Test Equipment
Choosing an oscilloscope for a visually impaired electronics hobbyist
Antonio90:
It shouldn't be much of a problem with arduinos (unless maybe with relays or motors involved) but do bear in mind that the Analog Discovery and Picoscopes inputs are somewhat fragile.
10X probes takes care of that, but they come with those damned switchable probes.
dmulligan:
The Rigol DHO800/900 series of scopes have an HDMI output and will accept a touch screen USB input as well. Alternatively you can view and control the scope using the web interface which mimics the scope's own touch screen with very little lag.
Fungus:
--- Quote from: midix on November 23, 2023, 03:26:51 pm ---So, as long as 2204A is reliable and the software is reasonable (I'll check their demo version) it might be all I need.
--- End quote ---
Picoscopes have a good reputation but 10Mhz seems a bit lowfor Arduino work. An Arduino Uno can output a 8Mhz square wave which needs about 40Mhz bandwidth to see properly (8Mhz + the first two harmonics at 24Mhz and 36Mhz).
Edit: I guess it depends on the bandwidth rolloff. 100Mhz sample rate is decent for that bandwidth, it isn't going to alias.
nctnico:
--- Quote from: midix on November 23, 2023, 03:26:51 pm ---Yeah, I lean towards Picoscope 2204A with the hope that it should be enough for basic Arduino sensor debugging and possibly some audio stuff. I don't think I ever would tinker with high-frequency stuff or video or radio signals. So, as long as 2204A is reliable and the software is reasonable (I'll check their demo version) it might be all I need.
--- End quote ---
Keep in mind that the Picoscope (AFAIK) doesn't have triggering on protocols. You'll also be stuck with a computer screen interface to control it which isn't optimal. I'd rate a Picoscope more suitable for signal analysis than use as a generic bench oscilloscope. Given your budget the Rigol DHO804 combined with a large touchscreen could be a worthwhile option but would still be more expensive then you like. However, don't expect the DHO804 to be a finished product in terms of firmware. For that, you'll need to spend a whole lot more. You know what they say about buying good, expensive tools: cry once, smile forever.
Fungus:
--- Quote from: Antonio90 on November 23, 2023, 03:38:34 pm ---10X probes takes care of that, but they come with those damned switchable probes.
--- End quote ---
I just saw that the Picoscope doesn't come with any probes so at least you get to choose.
Fixed 10x probes are a very good idea but cheap ones aren't easy to find for some reason. It seems like those Chinese manufacturers are all playing the "more must be better!!!" game.
Except sometimes it isn't.
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