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I mean that directly connection of bare PCB is not allowed in most cases because of these reasons:
1) It can be easily damaged by external factors. So PCB should be closed and insulated from dust, liquids and any curious ham-handed guy.
2) Making a long-wire connections for SPI is not good idea...
The main goal is measuring vibration of objects like motors and other similar industrial equipment. As I understand, in my case accelerometer should be placed close as possible to mounting. Ideally it should be mounted directly to motor case but it is possible only in laboratory not in real...
Thanks a lot! But what about 74LVC574?
Let's compare 74LVC574 and 74LVC573.
https://assets.nexperia.com/documents/data-sheet/74LVC574A.pdf
https://docs.rs-online.com/4ede/0900766b80027a6a.pdf
Propagation delay is:
1) for 74LVC573 (LE to Qn) -- 8,5 ns (pg. 6)
2) for 74LVC574 (CP to Qn) -- 9 ns...
Please help me with operation of the FMC module in STM32F407VE. It is necessary to connect external RAM memory; since FMC module in this microcontroller uses the address bus and data bus in muxed mode, its need to demultiplex this signals. For this purpose the nADV (nL) signal is used. This...
But may be better use temporary variable to hold port data for avoiding situation when port read two times?
So code should be something like this:
temp=PORTB;
if(temp.F1 == temp.F2) PORTB.F0 = 0;
else PORTB.F0 = 1;
May be I wrong...
The target of our educational project was creating a vibration sensor based on a MEMS-accelerometer. We found that housing itself of completed device and method of placing PCB in housing has a significant effect on instrument readings. This effect is observed in form of non-linear frequency...
As recommended in post above, you should find datasheet to your fuses. There also good practice to firstly use an "rude" equation like Itrip=Inominal*a,
where a is in range 1.2...1.5. Remember! This coefficient is application-specific, as example, some motors or capacitive loads can consume a...
There are error here: term M+1 is not correct. So, equation should be
τ=(n-1)*T/M
For example, we have sampling device with Fs = 10. and Ts = 1/10. For time-interleaved system with 2 devices we have:
First device start sampling ->delay at 1/20 -> second device start sampling
Hello!
I have multiple LIS2DS12 accelerometers; according datasheet, it is possible to get
data rate high as 3200 and even 6400 Hz. In both cases there are built-in filter with
1420 or 2840 Hz cutt-off frequency. As this accelerometer have internal multiplexer, I
can expect a sampling...
Thanks a lot! There are datasheet.
https://static6.arrow.com/aropdfconversion/94720187e89176b013f271b0c3c9fed4594829d8/acs770-datasheet.pdf
Modeling in LTSpice (they have ltspice model) show, that (if model correct) it is realy ratiometric output/ Model is here...
Hello, Buddies! In first, pardon for my poor English. Secondly, I need help with single-ended signal measurement by using ADS1120, because I have already broke my brain. Introduction:
1) ADC ADS1120 powered by 5 v analog, 3.3 v digital;
2) 5-v current sensor with ratiometric output with 2.5 bias...
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