I am a novice and recently bought a second-hand GOLDSTAR OS-9020A 20M oscilloscope online. The square wave display of the self-test shows overshoot. Is this normal? Will it affect normal use?
Everyone, after I changed the TFT to vertical display, the entire touch screen became messed up. For example, I have to touch the touch screen far away from the BUTTON to press the BUTTON, drag the di
When I woke up this morning and picked up my phone, I suddenly realized that it was already March. It felt like I had been in a daze for two or three months. It's time to get back to full health!
Hello everyone, recently, I am writing an assembly program for an eight-way digital display buzzer with P0 connected to the digital tube segment selection, P2 connected to the bit selection, and P3 co
Let me ask, for example, if the capacity of a battery is 1AH and its nominal voltage is 3.6V, judging from its capacity, it should be said that it can be discharged continuously for one hour at a curr