Electrical Engineering Questions, Problems & Solutions : TransWikia.com ~ Page 13

Modify Transformerless Power Supplies

Based on this article:https://hackaday.com/2017/04/04/the-shocking-truth-about-transformerless-power-supplies/ I have some rf wireless plug outless which use transformerless power supply. I would like to build in an ESP32 (3.3v) in...

Asked on 12/15/2021 by user213858

1 answer

Is there such a thing as an automatic variable resistor

I have a skid steer loader that in ISO eg driving straight forward with one joystick supplies on average 50 milliamps more power to the right forward solenoid coil than...

Asked on 12/15/2021

2 answer

Constant current source with bypass option

I need a current limiter for a project that I am working on. I understand that I can use a device like the LM317 in constant current mode, but how...

Asked on 12/15/2021 by David Cutting

2 answer

Automation - Stealing a signal from a circuit

I am a software designer (for reference). I struggle with electronics and signals. I have a device that has a microswitch that completes a circuit with a PCB. ...

Asked on 12/15/2021 by Craig Monyhan

1 answer

Clock usage in the always block and in the event

In general, if we are working on a sequential circuit, say a Flip Flop (e.g. D Flip Flop)The code we write for the always block part is: always...

Asked on 12/15/2021 by Animesh Srivastava

2 answer

Determining AXI4-stream Data FIFO size, understanding Packet Mode?

I want to take a standard AXI4-stream Data FIFO IP core and use it for data frame encapsulation for both the Ethernet and TCP/UDP layers. When packing a header onto...

Asked on 12/15/2021 by comc cmoc

1 answer

Standards Compliant High DC Load Safety Interlock System

I have a single AC-DC supply (42V @ 600W) which supplies three motive loads. Each motive load is physically separate and has its own cover which prevents the operator from...

Asked on 12/15/2021 by buttercup

0 answer

Button short press and long press without using microcontroller

I have a single button system for which I want to detect the short press and long press of the button. The task is really easy with a microcontroller, but...

Asked on 12/15/2021 by spockshr

2 answer

Difference between LVDS SerDes and FPD-Link III SerDes?

I'm new to the world of video interfaces and am working on a project in which parallelized video stream data is transmitted and subsequently received by processing components on the...

Asked on 12/15/2021 by stephbadger

1 answer

read negative voltage with mcp3008

how can i read a negative voltage by the mcp3008 ?, i tried to do that with this code but i...

Asked on 12/15/2021

1 answer

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