Arduino newsletter

Top new questions this week:

ArduinoUNO/MEGA, Is there a way to exceed 256 in analogWrite

I am using Arduino UNO/MEGA, I want to analogWrite(pin, val); where the value is 0-1023. How can I make that ? Thanks.

arduino-uno arduino-mega pwm frequency

asked by Mostafa Khattab 5 votes answered by JRobert 10 votes

How to move my robot in the right direction?

After all there is more question poping up then answers i decide to upload the pdf where is everything writen, like the wire, motor type and what we can and can't use. Here is the link pdf format of ...

arduino-mega pwm servo c

asked by twistedhat 4 votes answered by dpw 4 votes

Replacement crystal on Uno for cold temperatures

I want to run an arduino out in the cold (-40), and use the serial communication - I believe that the crystal is the weakest link (the one for the serial chip) - however I don't see any drop-in ...

arduino-uno electronics system-design oscillator-clock components

asked by user2813274 4 votes

Detecting a 2.8ms pulse using a Arduino Uno

I am working on a project for knowing the position of a DC motor which has a hall sensor built into it. I am a newbie into programming using the Arduino Uno R3. After some forum search and self ...

arduino-uno

asked by anuzarduino 3 votes answered by Andrey Visochan 4 votes

Simultaneous output from sonar array

I am working on a project that records the elevation changes of a 1 foot wide section using sonar distance measurement. I have 10 HC-SR04 sensors arranged in a straight line over this 1 foot section. ...

arduino-uno hc-sr04

asked by user3020394 3 votes answered by dpw 6 votes

Arduino UNO Chinese Clone LEDs not lighting up

Hi all, In the screenshot of a circuit I've included, I'm attempting to light up 4 LEDs off of pin 2. In circuits.io, everything works great. 3 blue LEDs and 1 red LED light up and blink as ...

arduino-uno

asked by Dan 3 votes answered by Gerben 7 votes

Adding fade to this RGB LED IMU

I've built an accelerometer based dice. It changes colour based on what side of the dice faces up. All is well and good, except I'd like the RGB to fade from one colour to the next instead of changes ...

accelerometer rgb-led

asked by Gamecat 2 votes answered by Visual Micro 2 votes

Greatest hits from previous weeks:

Serial Data Plotting Programs

I need to plot Serial Data from Arduino. I require support for: Various data formats (e.g. signed, unsigned, 8 bits, 16 bits); Plots several data on the same axes; Exports / Imports file data. As ...

serial

asked by akellyirl 16 votes answered by niutech 8 votes

Reset an Arduino UNO by an command (software)

Is it possible to reset an Arduino (i.e., to reboot it) from code (i.e from the sketch itself)? I know that is possible with a special circuit but is there a chance to make it just with code? Below ...

arduino-uno software reset

asked by kimliv 13 votes answered by mpflaga 13 votes

Can you answer these?

How to use Honeywell NBP Series Sensor with Arduino

I am trying to use HONEYWELL NBPDANN100PAUNV Pressure Sensor. I found a example here http://www.circuitstoday.com/interfacing-pressure-sensor-arduino As this example says as instrumentation ...

sensors analogread resistor

asked by ANKIT JAIN 1 vote

I want to modify setup, to also keep the serial USB port opens so I can send strings via a Raspberry Pi

I am trying to modify the original code from these guys GRA & AFCH, who have made an Arduino Sketch Program that runs a Arduino powered Nixie Clock. Here is the link to their Firmware ...

serial shields usb eeprom

asked by Gilgamesh Skytrooper 1 vote

MQTT - Which option for private .NET

I need to utilize almost 100 Arduino devices in a plant and my clients want a data dashboard. I'm wondering how to utilize MQTT for optimizing the data among these devices and the data dashboard. My ...

arduino-uno

asked by David BS 1 vote