JYE Tech Forum

The manual correctly shows pin 7 as RXD and pin 6 as TXD for JYE119 Uart-USB converter. The board, however, has pin 7 labeled as TXD and Pin 6 as RXD. This caused me to hook it up wrong when I tried to upgrade the firmware on my DSO Shell. I'm sure it is creating problems for a lot of other people a...

I'm new to electronics and inexperienced at testing circuits, so please correct me if I did this wrong. From both sides of the board I did a visual inspection for obvious shorts and couldn't find any. I tested R1 for open from the top of the board by touching a probe to its lead at its label on the ...

I am having the same issue. During Step 5: Probe Calibration, when I set the TS amplitude to 0.1V and adjust V/DIV from 0.5V to 0.2V the trace becomes a mostly flat line with no zoom in. At 50mV it's a flat line so there is no way to adjust C3. With the TS amplitude set to 3.3V and the sensitivity a...