limpkin
commented
4 months ago Hello there,
Do I correctly understand that you're using this board, connected to an esp8266 development board?
With only a voltmeter testing may get tricky... Does it have a "frequency" position? If so you could probe the fout signal to try to get a frequency reading.
You don't need to use the nEN pin, by default the sensor is enabled
On Fri, 29 Mar 2024, 01:36 QoSi, @.***> wrote:
Hello Mathieu, I tried to send a message via LinkedIn, unfortunately it costs a lot of money there, so I hope I can reach you with this.
I live on a private street where many children play a lot, especially on Saturdays. The street is also marked that it is a dead end and private. From the main road there is a supermarket right at the entrance to the private road and there is usually a huge rush of cars there on Saturdays. Unfortunately, they also get lost on the private road and take out their shopping frenzy on the accelerator pedal there. I worry about my child and the children who play there worriedly in moments like this. That's why I found this here from you and had the PCB made. I also get a level that I can read via VOUT with an ESP8266. However, I understood it to mean that the speed can only be measured to a decent extent with FOUT. Unfortunately I don't get a signal there at the FOUT and I don't really know how to test it because I only have a voltmeter available. I would like to attach a small LED matrix to the fence to show the vehicles their speed with smiles and to display a sad smile if the speed is too high. Hope you can still help me, even if the board is already outdated and replaced with a new one.
Do I have to activate the board via the nEN pin and if so, how? Does it even work with an ESP8266? Do I have to use all PINs like you did in the video, since only PIN 4 is specified in the Arduino Scetch?
I would be happy if you could help me, thank you very much!
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QoSi
Hello Mathieu, I tried to send a message via LinkedIn, unfortunately it costs a lot of money there, so I hope I can reach you with this.
I live on a private street where many children play a lot, especially on Saturdays. The street is also marked that it is a dead end and private. From the main road there is a supermarket right at the entrance to the private road and there is usually a huge rush of cars there on Saturdays. Unfortunately, they also get lost on the private road and take out their shopping frenzy on the accelerator pedal there. I worry about my child and the children who play there worriedly in moments like this. That's why I found this here from you and had the PCB made. I also get a level that I can read via VOUT with an ESP8266. However, I understood it to mean that the speed can only be measured to a decent extent with FOUT. Unfortunately I don't get a signal there at the FOUT and I don't really know how to test it because I only have a voltmeter available. I would like to attach a small LED matrix to the fence to show the vehicles their speed with smiles and to display a sad smile if the speed is too high. Hope you can still help me, even if the board is already outdated and replaced with a new one.
Do I have to activate the board via the nEN pin and if so, how? Does it even work with an ESP8266? Do I have to use all PINs like you did in the video, since only PIN 4 is specified in the Arduino Scetch?
I would be happy if you could help me, thank you very much!