All Questions
Tagged with electrical-engineering embedded-systems
59
questions
1
vote
0
answers
17
views
Failed in upload firmware to esp32
I'm having an issue when uploading code to my ESP32. Previously, I had configured the partition scheme to 'minimal,' and I was able to upload code without any problems. However, after I fixed my ...
0
votes
0
answers
27
views
How to select a burst frequency of an Ultrasonic sensor?
I am using an Ultrasonic sensor to detect obstacles for adas applications. Is there a way to find the optimal burst frequency? experimentally or theoretically? for object detection.
How does changing ...
- 11
1
vote
1
answer
134
views
Industrial (Farming) high precision gps tracking solution [closed]
Context: I am a hobbyist and I don't have experience with industrial solutions
I am starting to prototype a farming equipment gps guiding system and I was looking fore some feedback regarding my ...
- 13
2
votes
1
answer
116
views
How do I configure my arduino to use the 628512LP-70 as an external RAM?
I am aware this could cause some serious lag issues.
However, I only intend to use that RAM to fill the display buffer for the LCD (240 * 320 pixels).
I can't store all of this data in my Arduino's ...
- 21
-1
votes
1
answer
67
views
Multicurrency Ultraviolet counterfeit scanner detection machine [closed]
https://www.google.com/search?q=ultraviolet+counterfeit+detection+scanner&client=ms-android-lava&prmd=sinv&sxsrf=ALeKk00_7L1PhL1uvSYN10i3xef6-Oq4sQ:1597382808532&source=lnms&tbm=...
- 101
2
votes
2
answers
177
views
Embedded C Programming
I am currently a project intern, working on Light Fidelity (Li-Fi). Most part of the project deals with development of software for Renesas Micro controller.
I have a simple doubt regarding timer and ...
1
vote
1
answer
154
views
Which type of sensors to analyze polluting gas from vehicle emissions
I am thinking to develop a remote-sensing applications for vehicle pollutions. In such cases generally expensive optical IR and UV devices are used because more precise. These devices are generally ...
- 113
2
votes
0
answers
98
views
Connect a GPU to a mobile FPGA using
Please indicate if this question would be better asked on other fora, I'm not an engineer but computer scientist, and have very little experience with FPGA's / ASICs.
As far as I understand from ...
- 121
1
vote
2
answers
123
views
What is this device?
So recently I went to Supercomputing 17 conference and picked this from a booth.
I would like to know as to what this device is? What's its name? Where to find its documentations?
Thanks
- 113
1
vote
1
answer
55
views
DLX assembly synthax
I see some example of DLX assembly instructions such as:
LW Ri, 0 (Rz)
but I can't find out why Rz has brackets around it.
- 113
3
votes
3
answers
4k
views
Send sensor signals to WiFi network
I want to build a home automation system by hooking up various sensors (e.g., passive IR motion sensors, magnetic door contact switches, vibration detectors, etc.) around the house to detect things ...
- 509
2
votes
0
answers
37
views
How do I perform RM scheduling?
The question says, "Perform RM scheduling for the following task set: T1=(2, 0.5, 4), T2=(3, 1, 10), T3=(5, 1, 10) and T4=(7, 0.45, 15)".
Here the standard notation (Period, execution time, relative ...
- 21
2
votes
2
answers
185
views
Is it possible to read a USB port directly? [closed]
In Windows is it possible to write a simple program to read the binary value of a USB port without going thru a USB driver?
- 163
2
votes
1
answer
108
views
How to transition from battery to USB in a microcontroller?
I am designing a 3V battery-powered simple micro-controller to collect sensor data in RAM. How can I avoid a conflict with the 5V of a USB when it comes time to upload the data? Disconnecting the ...
- 163
2
votes
2
answers
742
views
How to measure signal period with Arduino?
I am trying to use an Arduino Uno R3 as a tachometer (It is going to measure the RPM of my motorcycle). Basically it only has to count how many times an input pin goes HIGH in one second.
The problem ...
- 157