Tagged Questions
0
votes
0answers
62 views
16 x 2 LCD not displaying analog inputs fed to ATmega168
I am experiencing some problems getting a display of analog inputs(current and voltage) fed to ATmega168's A0 and A1 respectively. I believe the wiring and the program are correct since the same ...
0
votes
1answer
35 views
DFRobot LCD shield minimum pin connections
I am connecting a DFRobot LCD shield (http://www.dfrobot.com/index.php?route=product/product&product_id=51#.UYWE0itxsVk) to a bareduino. There will be no shield placed on top of the LCD and am ...
2
votes
2answers
28 views
Interfacing a 16x2 Character LCD to the Arduino
A friend recently gave me a set of three (old) 16x2 LCD displays. (datasheet)
However, I'm having difficulty thinking through how to connect one to my Arduino. Particularly, each LCD has 14 (!) ...
0
votes
0answers
47 views
TFT LCD shield doesn't work properly
We have bought TFT LCD shield 2.6.
And got library for it by this link:
TFT LCD Library
When we try to execute graphicstest example, it shows setup part. But doesn't show loop part. What can be the ...
6
votes
7answers
3k views
Arduino hooking up LCD without POT
I am using this LCD:
Plus I am using an Arduino. I am trying to hook this up but without a 10K pot. How is this possible? Every tutorial I found involved the 10K potentiometer
0
votes
0answers
67 views
OLED Custom Character not being displayed correctly on Arduino Uno? Too Many?
So I have a bunch of custom characters and they are created like this
...
2
votes
2answers
147 views
Applescript to Arduino LCD only works with Serial Monitor
I spent all day trying to figure this out and finally got somewhere that atleast lets me know that I am doing something weird...
I am trying to send data to my LCD Screen on my Arduino Uno, but for ...
-3
votes
1answer
199 views
Arduino 3 digit LCD calculator
We would like to build a calculator using Arduino which uses 3 digit LCD and a keypad similar to digital phones. (# for plus , * for minus) Which components and way is good enough to not to run out of ...
-3
votes
1answer
70 views
Problems With The Desktop Contemplator Code [closed]
I cannot get the ContemplatorNV.ino code to down load from the Nuts& Volt article. I have tested the complier on an Arduino Uno on code I know works. This at least proves the compiler, USB ...
3
votes
3answers
115 views
Freetronics LCD pins all used up
I am new to electronics and recently bought Freetronics Arduino experiment kit with the Freetronic LCD shield with keypad. I have installed the LCD shield and now I realize I no longer have any pins ...
3
votes
2answers
237 views
Reverse engineering a 12 pin LCD?
I just found a broken "laser projecting alarm clock". I took it apart, and am interested in only the laser projection arm. This consists of a laser diode (although I suspect that this is actually just ...
1
vote
1answer
101 views
Arduino LCD displays weird character after a while
I having some issues with an LCD.
I have made a climatic control system that controls some relays (output) and receives some input from water pipe sensor and ambient temperature/humidity.
This was ...
2
votes
1answer
300 views
Interfacing with the kind of LCD found in thermometers
I have been experimenting with various sensors recently, and one common functionality I have needed with all of them is the ability to see the data being measured.
Thus, I am considering attaching a ...
2
votes
3answers
340 views
Microcontroller or arduino alternative for small cell-phone sized device?
I am doing a project in which I need to read RGB values from a color sensor TCS230 and send it to a microcontroller and use an linear equation to get glucose value from it and display it on an LCD.As ...
3
votes
2answers
459 views
Identifying Pins of an Unknown LCD
I got a LCD removed from some device. I need to check whether it is working. But the thing is I only have the LCD, no datasheet or any documentation regarding that.
I have an Arduino mega 2560. I'm ...
