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33 questions
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1 vote
1 answer
490 views

I think the issue is within the library because I have try to implement this code according to the tutorial that I found in YouTube Youtube. The discussion of this tutorial is the first they implement ...
Community's user avatar
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1 vote
0 answers
914 views

I'm trying to post the buffer generated by the ESP32 camera to my personal API service I have built with Node.JS. The post gets sent successfully. I have yet to test it on large image (higher ...
Johnny boy's user avatar
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1 vote
2 answers
2k views

I have a node server with express and socket io behind nginx reverse proxy at AWS. I am try to connect remotely from my NodeMCU esp8266 through websocket io client to my server using ...
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1 vote
1 answer
400 views

The following script prints everything fine, it recognizes integers from the serial port, but cannot recognize characters. The if statement does not work with characters. I have tried both == and ===...
chrisl's user avatar
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0 votes
1 answer
415 views

I am planning to build a network with five Arduino Mega devices, each of which will collect data using multiple sensors. Each Arduino will periodically transmit the sensor data to a gateway Raspberry ...
dda's user avatar
  • 1,595
1 vote
1 answer
350 views

I need to compile generated source code in js runtime then upload it to my device. Compiling: I have found arduino-cli Uploading: There is only avrgirl but it doesn't work in browser. What should ...
Edgar Bonet's user avatar
  • 45.2k
1 vote
0 answers
126 views

I am new to Arduino. I just have my Arduino UNO kit and started to do some small projects with node.js and the Johnny-five library. My question is why there not many content about javascript+...
Duncan C's user avatar
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2 votes
0 answers
1k views

I ran into some strange problems while trying to send data from my Node.js Server to my Arduino. My goal is to transfer an Int to the Arduino Nano and display it on a LCD. So far I managed to connect ...
VE7JRO's user avatar
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0 votes
1 answer
625 views

I have an ESP8266 module attached to an Arduino Uno that is connected to my local network. On the network, at address 192.168.1.13, I have a nodejs/express server running on port 3000. How would I go ...
A metal chair's user avatar
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0 votes
1 answer
62 views

Is the Arduino Uno the best one to purchase for a complete beginner? I eventually want to get into building Nodebots since I already have experience writing Nodejs web-based applications. Or should ...
Juraj's user avatar
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1 vote
1 answer
2k views

I am HTTP posting a data to this web API https://morning-cliffs-85779.herokuapp.com/api/users from an Arduino connected to esp8226. I am using the wifiesp library to HTTP_POST data. The REST APIs are ...
Glorfindel's user avatar
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0 votes
1 answer
1k views

I'm trying to get an arduino sending data to node but with no success. I'm connecting to an ar-drone 2.0 as in https://gist.github.com/maxogden/4152815 Here is my Arduino code: #include <...
abu-ahmed al-khatiri's user avatar
  • 268
0 votes
1 answer
673 views

I am trying to get my Arduino to send data to my computer using Node.js Serial port. Everything compiles, my Arduino is working well and sending data in the serial monitor, but the program always goes ...
Edgar Bonet's user avatar
  • 45.2k
0 votes
1 answer
2k views

I have a led receiver KY-022 and led emitter KY-005, I also have a PL2303 (USB-TTL). This is the code of the issuing LED: #include <IRremote.h> IRsend irsend; void setup() { Serial.begin(9600)...
Nick Gammon's user avatar
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1 vote
1 answer
120 views

Here is my Arduino sketch: #include <HX711.h> #include <Wire.h> #include <LiquidCrystal_I2C.h> HX711 hx(9, 10, 128, 0.002229); LiquidCrystal_I2C lcd(0x27,16,2); void setup() { ...
Edgar Bonet's user avatar
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