bunghole New Member Sep 11, 2007 #1 hi, i need to know if there is anyway to link bar graphs together to form a led analogue meter for a speedometer. Is it possible to use a LM3914M? ta.
hi, i need to know if there is anyway to link bar graphs together to form a led analogue meter for a speedometer. Is it possible to use a LM3914M? ta.
Nigel Goodwin Super Moderator Most Helpful Member Sep 11, 2007 #2 bunghole said: hi, i need to know if there is anyway to link bar graphs together to form a led analogue meter for a speedometer. Is it possible to use a LM3914M? Click to expand... Yes, it's all explained in the datasheet.
bunghole said: hi, i need to know if there is anyway to link bar graphs together to form a led analogue meter for a speedometer. Is it possible to use a LM3914M? Click to expand... Yes, it's all explained in the datasheet.
bunghole New Member Sep 12, 2007 #3 i had a small bar graph meter i already built as a battery monitor so i didn't get a datasheet. is there an links to datasheets? ta
i had a small bar graph meter i already built as a battery monitor so i didn't get a datasheet. is there an links to datasheets? ta
T Tomble New Member Sep 12, 2007 #4 bunghole said: is there an links to datasheets? ta Click to expand... I hear the google is popular for this purpose...
bunghole said: is there an links to datasheets? ta Click to expand... I hear the google is popular for this purpose...
ericgibbs Well-Known Member Most Helpful Member Sep 12, 2007 #5 bunghole said: i had a small bar graph meter i already built as a battery monitor so i didn't get a datasheet. is there an links to datasheets? ta Click to expand... hi, I use www.datasheetarchive.com Type in the part number in the search box then click on 'pdf' to download.
bunghole said: i had a small bar graph meter i already built as a battery monitor so i didn't get a datasheet. is there an links to datasheets? ta Click to expand... hi, I use www.datasheetarchive.com Type in the part number in the search box then click on 'pdf' to download.
Gordz New Member Nov 3, 2007 #7 Google for 'charlieplexing' it is good for twenty LED's and draws far less current, and you have a much better choice of display style. Microchip had this in their Tips-n-Tricks about 3 years ago.
Google for 'charlieplexing' it is good for twenty LED's and draws far less current, and you have a much better choice of display style. Microchip had this in their Tips-n-Tricks about 3 years ago.