Questions tagged [setup]

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Measurement of current with hall effect sensor

I have a setup using 3 hall effect current sensors and my goal is to measure the DC current flowing through cables. The sensors are HSTS016L. I attached a picture of the manual. The sensors have 4 ...
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1answer
137 views

Setup and Hold Time: A general method to find whether a block satisfies the constraints

How to determine whether setup and hold time constrains are satisfied in a digital block? I encountered a question on the same, and it would be really helpful to know a general way to determine the ...
2
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4answers
120 views

Flooring for home lab

I am setting up a home electronics lab for projects with my kids, currently ages 4 through 10. What type of flooring would work best? We will be doing art projects in the same room, so we need ...
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3answers
314 views

Altium 18 - “Override library primitive” option missing?

I'm busy setting up my new install of Altium 18 to match my preferred settings, namely making the default schematic font Consolas (for the purposes of mono spacing and slashed zeroes). Normally this ...
0
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1answer
59 views

Power reading in different places

Currently, I have a software which able to read voltage, current, active power, apparent power and reactive power from appliances which I assume the readings should be approximately same even though I ...
9
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5answers
2k views

Setup and hold time output when violated

Consider a positive edge triggered D flip flop with input signal X with a setup time of 20 ns and a hold time of 0 ns. What will be the output? C is clock signal with a period of 40 ns....
0
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1answer
79 views

Unknown hardware filter/amplifier in setup

I found the following picture on the internet. To be honest, it was the first time I saw such a (filter/amplifier?) plugged in an oscilloscope. Anyone knows which device it is? Thanks in advance ;)
2
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3answers
2k views

AtTiny85 analog / digital pin configuration order in setup

Bug in compiler or what ever? Simplified circuitry there is 2 LEDs and 1 analog input. LED connected to pin PB1 lights very dim when output is high. It seems that output has been configured to high ...
0
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3answers
629 views

How does the clock skew affect the design?

What does these statements explain with respect to setup and hold time, I am unable to understand: If combinational logic delay is very short or clock skew is large enough then output of 1st FF would ...
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2answers
110 views

How to setup a dimmer with 4 terminal [closed]

I have a dimmer with 2 terminals the configuration was easy, now I have tried t replace it, unfortunately the replacement has a different terminals configuration without any indication on each ...
1
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1answer
98 views

Servo Motor set up

I want a servo motor to move/rotate a set distance and hold position (bear weight:which for my uses would be minimal) and then when power isn't applied/cut-off it drives back to original position. I'm ...
0
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2answers
7k views

Significance of negative setup and hold time

What do you mean by negative setup and hold time i.e what happens if hold time is negative or setup time is negative. Does -ve setup or hold have any advantage ?
1
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1answer
3k views

Implementing input capture correctly on a PIC

I'm using a PIC16LF1827 with the XC8 compiler in MPLAB X. I need to store the time between pulses that are coming from an external moisture sensor. The length of time correlates to the measure of ...
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2answers
2k views

Setup and hold time

Of the setup and hold timing constraints which are to be met to get a stable output, which one is critical in estimating the maximum clock frequency of a circuit?
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2answers
876 views

Setup and hold for positive edge flip flop cascaded with negative edge flip flop

I know the following for two positive edge triggered flip flops in cascade. ...
1
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0answers
159 views

Not seeing set_address packet using USBTrace

I'm currently exploring the wonderous world of the USB Stack. I'm using a PIC18F2550 and the USB IO example available at www.moty22.co.uk. The code works as expected, but when using USBTrace (or any ...
2
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1answer
384 views

Need help setting up 7X6 Piranha LED Matrix with Arduino

I need help correctly getting my parts list for a 7X6 matrix that will be part of a electronic outdoor scoreboard. Here is my parts list so far but I am stump whether the arduino is powerful enough ...
0
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1answer
157 views

Help building a small solar charging kit

I'm trying to build a cheap light system for an NGO in Kenya, that will allow a family to have light using solar panels. If you're familiar with the new m-kopa service offered by Safaricom the setup I'...
3
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4answers
1k views

If the output of a D type flip-flop appears immediately on the clock edge, how can the previous output be used?

The way I understand it, the input value (D) of a D type flip-flop appears immediately on the output (Q) of a D type flip when triggered by a positive clock edge. If this is the case, then how can the ...
4
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3answers
14k views

Hooking up an LCD to Arduino Diagram

Has anyone got a really clear diagram of the way to link up a 16x2 LCD screen to an Arduino? Basically I have an LCD for which the back light is coming on, but I am not getting any words appearing on ...
2
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3answers
482 views

ultrasonic setup guide

Does anybody know of any online resources that go over the setup of driving ultrasonic transducers, as well as how to receive an ultrasonic echo, and pick it out (for rangefinding)? I found this ...