Movatterモバイル変換

Question 1

0votes

0answers

45views

PIR sensor gives high voltage [closed]

I wanted to test my new PIR sensor but it always shows the LED high voltage. Please tell me what to do?code:const int pirPin = 2; // пин pir датчикаconst int ledPin = 13; // пин диода или ...

Яна Анфалова

1

askedNov 24 at 15:02

Question 2

-2votes

0answers

33views

Controlling a gear motor turn a valve handle [closed]

How to make the gear motor to turn only from 0 degrees to 90 degrees and back to 0 degrees?

John

91

askedNov 22 at 15:02

Question 3

-2votes

1answer

72views

NEMA 17 with A4988 Runs Smoothly During Code Upload but Moves Erratically Afterward [closed]

Problem Description:I'm controlling two NEMA 17 stepper motors with A4988 drivers and an Arduino Uno. I'm experiencing a peculiar issue where one motor runs perfectly smooth during code upload but ...

Sanchit Batra

1

askedNov 20 at 16:36

Question 4

0votes

0answers

52views

Trouble connecting Uno + ESP8266 to Wifi

I am trying to build a simple project to get data from a web server and display it, using an Arduino Uno R3 clone with integrated ESP8266 wifi.What I have so far:The ESP8266 attempts to connect to ...

Robb

1

askedNov 15 at 11:23

Question 5

0votes

1answer

44views

Is there a c++ library for the GitHub API and Arduino compatible?

I'm logging some data using an ESP32 board, and I need the data logged to be uploaded from the ESP32 to one of my repositories on GitHub.Are there any C++ libraries for the GitHub API compatible with ...

Miguel Tomás

217

askedOct 24 at 14:21

Question 6

0votes

1answer

42views

Sketch Upload Fails -USB bus damaged?

My desktop computer abruptly started failing to upload sketches to the Arduino UNO (a smd "Make: Special Edition" board) I've been working with for the last few weeks. The sketch compiles ...

MikeB

245

askedOct 9 at 17:10

Question 7

0votes

1answer

57views

L298N Motor Driver works only for a single direction

I'm using a L298N motor driver with an UNO and when I try to run a motor few seconds for forward and few seconds backward, it will only move for a single direction and remain still in the second ...

Y_Jay

13

askedSep 30 at 10:46

Question 8

0votes

1answer

96views

Ultrasonic sensor showing random readings

I am using a HC-SR04 ultrasonic sensor to measure the distance using an Arduino Uno. When I run this code which is worked perfectly in the previous, it only shows just random readings in the serial ...

Y_Jay

13

askedSep 21 at 8:18

Question 9

1vote

0answers

53views

Why LoRa Ai Thinker 433Mhz doesn't go in Receive mode after we send ACK? [closed]

So basically I created a simple Receiver and Transmitter using Two Lora Ai Thinker 433Mhz (Sx1278). I am using Esp8266 with one Lora (as transmitter). It sends packet when we press button. On Receiver ...

RudraSama

11

askedAug 4 at 12:52

Question 10

0votes

0answers

57views

Arduino R4 Minima, trigger function being bypassed?

I am running a trigger function in a while loop in setup that takes in 3 analog inputs, checks if they are within a certain range, then outputs true if they are, false if none of them are.The code I ...

Carmeline Wu

1

askedJul 30 at 14:42

Question 11

-1votes

1answer

111views

Difference between using GND and digital LOW for 7-segment display pin

I am using this 4-digit 7-segment display.So my circuit is basically 220 ohm resistors for all the segments (display pins 6 through 16 on the bottom each go through a resistor before going to a ...

qwr

165

askedJul 29 at 2:55

Question 12

-1votes

2answers

142views

I need more free memory on my Arduino. What can I do if I don't want to use float? [closed]

I realize that using float results in loading all or at least parts of the floating point library, which consumes a significant amount of memory.How can I avoid using float?

halfbit

124

askedJul 26 at 23:11

Question 13

-2votes

1answer

81views

How do I change what variable I am changing based on a separate number?

I am trying to change thing2 if I input 0, and thing3 if I input 1. I don't want to just have if/else to determine if I should be changing thing2 or thing3 because I want this to be more dynamic than ...

Warby

1

askedJul 11 at 14:37

Question 14

-1votes

1answer

79views

Replace bootloader in ATTiny88

There are other threads about replacing the bootloader on Arduino boards, but the ATTiny88 seems to be rather a different beast. Instead of creating a serial port and sending the compiled code to the ...

LesRhorer

113

askedJul 2 at 16:01

Question 15

0votes

1answer

127views

Stepper motor not moving

this is my second Arduino project and I am trying to figure out why my stepper motor is not moving. I was able to get a basic 28byj-48 stepper motor to work using stepper.h and some sample code.Now I ...

Doug Ray

109

askedMay 20 at 17:49

Movatterモバイル変換

Stack Exchange Network

Questions tagged [arduino-uno]

PIR sensor gives high voltage [closed]

Controlling a gear motor turn a valve handle [closed]

NEMA 17 with A4988 Runs Smoothly During Code Upload but Moves Erratically Afterward [closed]

Trouble connecting Uno + ESP8266 to Wifi

Is there a c++ library for the GitHub API and Arduino compatible?

Sketch Upload Fails -USB bus damaged?

L298N Motor Driver works only for a single direction

Ultrasonic sensor showing random readings

Why LoRa Ai Thinker 433Mhz doesn't go in Receive mode after we send ACK? [closed]

Arduino R4 Minima, trigger function being bypassed?

Difference between using GND and digital LOW for 7-segment display pin

I need more free memory on my Arduino. What can I do if I don't want to use float? [closed]

How do I change what variable I am changing based on a separate number?

Replace bootloader in ATTiny88

Stepper motor not moving

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