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Flickering LED star!
Wireless Shutter Remote
hello, thanks for the tutorial, I have run the code and not turn anything, should I change something in the code to turn on a led? and I checked piece by piece the electronics and everything is fine.Greetings.
hello, thanks for the tutorial, I have run the code and I will not start anything, should I change something in the code to turn on a led? and I checked piece by piece the electronics and everything is fine.Greetings.
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Make a giant LED sign! (24x8 Matrix)
You can easily buy them from any electronic component store. Here is a good site https://www.sparkfun.com/products/9481
My Workspace (contest entry)
TimeDuino- 7 Segment Arduino Clock (No shift registers needed!)
Could you please send the wiring diagram ?
I've only got 1 transistor :( where do i get more from..
sir,can i use bc547 without using 2n3904
and how to write code to achieve this?
is it normal that the colon does not light up?or I made a mistake somewhere
Step 3 sais the collector must be connected to ground, this will not work! The collector must be connected to a 5V power supply on your arduino NOT to the ground like the picture explains. I tested this (and im using the same transistors) and it wont work unless u connect it to the power source.
Easyly Add Resistors For It.
Thanks. I have used Cheap Aliexpress Common Anode Version and by simply making a #define ON i was able to switch it from Common Cathode to Common Anode.I found several datasheets online but this one makes it perfect.Read xtracode.ino bottom for your pins attachment.Can someone tell me how to change the code for ( blinking the two leds between number also blinks bottom 3rd led.)
Hey there,Any updates on making the newest code available? The only version I've found was 1.4, but there is *supposedly* a version 1.8 listed here, which *claims* that it has a lot of neat features, like RTC support. So, whaddya say? Could you post a link to that code please?...or did I just have too many dumburgers for lunch today, and am overlooking the link to version 1.8?
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