Arduino newsletter

Top new questions this week:

Re-use smartphone/tablets parts like a camera

For learning and hacking purposes, I plan to study and use parts from smartphones and tablets like Galaxy or iPhone. They are really efficient and pretty cheap... Did anybody do this before? If yes, ...

hardware

asked by Charaf 6 votes answered by jwpat7 8 votes

How to have precise measurements

I need to display measurements of a sensor which need to be presented on a precise time-scale. Since the loop function is not quite precise, how can i make sure that i can measure at say for example ...

sensors timers

asked by user15977 5 votes answered by Mikael Patel 4 votes

HardwareSerial - check for overflow

The SoftwareSerial library has a built-in Overflow function, but the Serial library does not. Is there a simple way to check for a data buffer overflow on a hardware serial port?

serial softwareserial

asked by Joel M. 3 votes answered by brianrho 3 votes

Can't make Wee serial Wifi work with Arduino Uno

i'm trying to plug a Wee serial wifi module on my Arduino Uno, through an Xbee shield . I'm simply trying to make work the example from the library. All i get is setup begin FW Version: to ...

xbee

asked by Gregory Kapustin 2 votes

the arduino ultrasonic distance meter that i made doesn't work properly.its doesn't display the distence.whats the problem?

The Arduino distance meter that I made doesn't display the distance. It is always displaying 0.0 inches. The code I used: #include <LiquidCrystal.h> LiquidCrystal lcd(12, 11, 5, 4, 3, 2); ...

arduino-uno sensors

asked by kaveendra alwis 1 vote answered by dlu 1 vote

I2C LCD displaying weird characters

Happy new year :) I have connected an LCD with an I2C backpack to my Arduino Uno but it prints the wrong characters. The weird thing is that it worked fine for a while and when I updated the code ...

arduino-uno i2c lcd

asked by Wouter Van Dijke 1 vote answered by jwpat7 1 vote

Programming a USB mouse connected to the Intel Edison Arduino expansion board

How can I programme a USB mouse connected to the standard USB port of the Intel Edison's Arduino expansion board? I would like to measure the displacement of the mouse and also specify the frequency ...

edison

asked by sandra a 1 vote answered by Tahmid 1 vote

Greatest hits from previous weeks:

How do I split an incoming string?

I am sending a list of servo positions via the serial connection to the arduino in the following format 1:90&2:80&3:180 Which would be parsed as: servoId : Position & servoId : ...

serial arduino-mega string

asked by ValrikRobot 14 votes answered by jfpoilpret 18 votes

Grove sensors without a Grove shield

There exists a large variety of sensors in the Grove System. Usually these are accessed via a special shield (Grove base shield). Can I access these sensor directly without a shield. In particular I ...

sensors

asked by A.Schulz 5 votes answered by Annonomus Penguin 2 votes