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Arduino : Recent Questions and Answers (Page 5)

Find answers to your questions about Arduino or help others by answering their Arduino questions.

I need an example of how to send AT COMMANDS to SIm7000E GPS+LTE module from ESP32 and reading those response in Serial monitor

Actually I need to make HTTPS post request using SIM7000 and ESP32 but the available libraries don't have a function for HTTPS post request, I wanna make this request using...

Asked on 09/25/2021 by Vansh Sethi

0 answer

How I can send data information without work WiFi to LCD?

Hi everyone I am beginning learn coding and the second language English. I have small project I use Arduino uno , esp8266 , dht11 , lcd I2C and use blynk...

Asked on 09/25/2021 by AbuWeSaM

1 answer

If the code used for Arduino can be embedded into a permanent , callable memory, is there a way to create an OS for Arduino that runs on call?

This thought came into my mind on thinking about smartwatches. Although those I saw on YouTube are really good, they don't seem to provide a real experience of a real...

Asked on 09/25/2021 by Sam Ruben Abraham

1 answer

Store & retrieve parameters after sketch update

I have a Generic code for some IOT devices which vary in some parameters ( lets say it is only its MQTT name and subscriptions). Since I use OTA to...

Asked on 09/25/2021

1 answer

How to wire L293D chip to a nodeMCU?

How do I wire an L293D motor controller chip to a nodeMCU?I have tried to follow the instructions from this tutorial: lastminuteengineers.com One problem. I don't...

Asked on 09/25/2021

1 answer

Fastest Communication from NodeMCU to Arduino Nano

For one of my projects, I need to transmit data from NodeMCU to my Arduino Nano, in real time, I used S-Bus, but it quite unsatisfies me, as, slight latency...

Asked on 09/25/2021 by prikarsartam

1 answer

Why delay of more than 64 millisecond stops the servo motor from rotating? I am not using "Servo.h" instead i am just managing the length of pulse

The code I used was thisint servo = 5;int angle;void setup() { pinMode(servo, OUTPUT);}void loop() { for (angle = 0;angle<180;angle++){ ...

Asked on 09/25/2021 by Gaurav Rajput

1 answer

Instantiate class in the constructor rather in the top end?

Is there a way to define class variables in the constructor or in a method rather than at the top of the document? I have the following code in my...

Asked on 09/25/2021 by Socrates

1 answer

Is this circuit risky for an Arduino Uno?

I will show a connection diagram between my Arduino Uno and a DSC HS2032 panel (alarm system). The DSC panel uses 12V and I don't know the voltage fluctuation. The...

Asked on 09/25/2021 by J. Francis

1 answer

How to Fix mouse cursor lag on voice & movement based head mouse in wireless setting?

For my head mouse project which is based on the voice recognition module V3.1 for left click, double click, right-click operations, I am facing a problem. I am using 433Mhz...

Asked on 09/25/2021 by Nahian Rifaat

1 answer

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