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New bench scope - Fnirsi 1014D, 7", 1GSa/s

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SlowLogicBoy:

--- Quote from: pcprogrammer on August 11, 2021, 11:23:11 am ---For the knobs and push buttons they use a GD32E230, so most likely no hacking of that part of the system.

--- End quote ---

Isn't GD32 just a clone of STM32 (same like CKS32), I think firmwares are compatible, meaning you can flash STM32 firmware to GD32, we just need to figure out which STM32 this is clone of exactly.

pcprogrammer:
They are very similar, but not sure if they are exact clones. The datasheet of the GD32E230 is available and the peripherals will most likely have the same functionality as the ones of the STM32 ranges.

It is more a question if they used protection of what is in the flash, to be able to reverse it. Otherwise it means making a schematic of the connections of the rotary's and the buttons to the mcu and write your own program for it. They most likely connected it to the F1C100s via an UART. (The one in PORT A, since there is no touch panel)

The code for the F1C100s of the 1014D is smaller then what is in the 1013D, but it will have a lot of common code.

Have not yet looked at it since I'm still busy with the 1013D reversal. 8)

mkstevo:

--- Quote from: thirteeneast on August 24, 2021, 01:08:56 pm ---Too summarize, for anyone reading this "ITS GARBAGE, I WOULD BUY IT WITH YOUR MONEY!!!"

KEEP CLEAR OF IT.

--- End quote ---

It's much, much better than one I bought from a UK educational supplier for close to three times the price (Owon), or the 50+ Gw Instek ones the College bought. I can't believe how good it is. Not everyone has the need for ultra high precision, nor the funds to spend a fortune on something that might be classed as "better". At a price of just over £125, shipped (including VAT) it's fabulous - unmatched. As long as you accept that it probably will only resolve signals of up to 25-30MHz you won't be disappointed. The measurements being shown on the right hand side of the waveform display is a vast improvement on the Owon, they are lovely and clear in a reasonable 'at a glance' font. The trigger point can be shifted to the left side of the display without it shifting when the time/div is changed (as it does on the Owon) making the display much more friendly for non-repetitive signals. An Owon 30MHz dual channel 'scope is currently £332. It is also a vast improvement on any single PicoScope I have ever used - and I used a lot when I was working in a Further Education College. My favourite 'scope at the College was a Hameg Analogue/Digital one, it had enough analogue circuitry to make it work like a traditional 'scope, but enough digital circuitry to offer waveform measurements and storage. The Fnirsi 1014D is the first 'scope I've used that hasn't made me hate fully digital 'scopes. I absolutely love it and my £125 was money well spent.

tunk:
The minimum sensitivity is 50mV/div - isn't that a bit limiting?
And where did you find it for £125?

pcprogrammer:
Yeah, 125 pound is about 146 euro and that is, with the new VAT rule in Europe, very cheap. I paid ~163 euro for mine. (Aliexpress)

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