Questions tagged [node.js]
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33 questions
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POST ESP32 image buffer using HTTPClient to Node.JS API
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 ...
- 121
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Why when I try to connect my ESP8266 to my node sever in my localhost it keep getting disconnect and connect?
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 ...
- 11
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400
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Node.js cannot recognize characters from the serial port
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 ===...
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How to transmit data from Arduino to Raspberry Pi?
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 ...
- 119
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350
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Arduino Nano/Uno and js sketch compiling/uploading from browser
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 ...
- 111
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Is the johnny-five library and javascipt good for Arduino projects?
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+...
- 111
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Not sure which Arduino to pick [closed]
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 ...
- 103
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1
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How to HTTP post a data to Node express API from a Arduino esp8226?
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 ...
- 43
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2
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2k
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Keep on getting scandone
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 ...
- 111
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1
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673
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SerialPort Node.js stuck in 'Error'
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 ...
- 101
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arduino nodejs serial data chunked and not in synch
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 <...
- 111
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How to send IR data from Arduino to USB-TTL
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)...
- 127
1
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1
answer
120
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Decimal numbers sent over Serial get split and sent over multiple ticks
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() {
...
- 11
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1
answer
1k
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Sending data to Arduino Via Nodejs: Arduino does not echo back the data
I have the following sketch that runs in a arduino UNO:
/*
* Copyright 2018 Dimitrios Desyllas
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and ...
1
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1
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1k
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ESP8266 cannot connect to an existing network after using AT command
I followed this tutorial to connect the ESP8266 to a wifi network using AT commands. I used the below schematics (without the connection between ESP's CPIO 0 and Arduino's Ground):
After that, I was ...
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