Search found 4 matches

by pavliyoleg
Tue Jul 30, 2019 1:37 pm
Forum: DSO138mini
Topic: DSO 138mini no trace
Replies: 3
Views: 7534

Re: DSO 138mini no trace

Can someone tell me if the LED flashing on the back of the digital board means that the signal to the digital board is coming from the analog board? When I touch the test terminal J4 with a probe and touch my hand with many elements of the input group on the analog board, this LED flashes, but unfor...
by pavliyoleg
Sun Jul 28, 2019 4:34 pm
Forum: DSO138mini
Topic: DSO 138mini no trace
Replies: 3
Views: 7534

Re: DSO 138mini no trace

I think that the problems with connecting the input terminal are clearly inactive. see my testimony: "as well as the values ​​however, the LED on the back of the digital board starts flashing." I did not find any interesting hints at the link https://jyetech.com/dso138mini-oscilloscope-diy...
by pavliyoleg
Fri Jul 26, 2019 10:19 am
Forum: DSO138mini
Topic: DSO 138mini no trace
Replies: 3
Views: 7534

DSO 138mini no trace

Purchased and assembled DSO138 Mini, Unfortunately, there is no display of the waveform, as well as the values ​​of the signal parameters. When the test signal J4 is connected to the terminal, the waveform is not displayed (there is a signal on the terminal, verified by a third-party oscilloscope), ...
by pavliyoleg
Fri Jul 26, 2019 9:08 am
Forum: DSO138mini
Topic: NEW DSO138 Mini no trace
Replies: 7
Views: 13497

Re: NEW DSO138 Mini no trace

Приобрел и собрал DSO138 Mini, к сожалению тоже нет отображения формы сигнала, а также значений параметров сигнала. При подключению к клемме тестового сигнала J4 форма сигнала не отображается (сигнал на клемме есть, проверено сторонним осциллографом), как и значения, однако начинает мигать LED на об...