555 Timer Calculator (NE555)
Free AppAbout 555 Timer Calculator (NE555)
This is a calculator designed and dedicated to calculating the resistor and capacitor values for the popular NE555 square wave generator.
This is unlike the other calculators you will find floating around. This calculator generates actual, usable component values; values that are found in your kit. No longer will you be asked to provide a 2546.74856Ω resistor.
This calculator will also allow you to tell it which components to use, based on what you have available. Don't have a 10KΩ resistor, or a 4.7 nF capacitor? Remove it from the list and you'll never be asked to use one.
This is a brute force calculator. Meaning it calculates every possible combination and if it comes within 1% of your desired frequency it will display it as a result. If battery concerns or the speed of the results is of concern, users can opt to have the calculations done via remote server. Your custom component list is still used for this process, but results can be generated in a fraction of the time.
Feedback and feature requests are always welcome. No comment too sour!
Explanation of permissions:
Full Internet access required for-
*Ads
*Remote calculation of values
Full source of version 1.7 can be found at:
http://stuff.foamcoffee.com/android/Calc555.tar.gz
This is unlike the other calculators you will find floating around. This calculator generates actual, usable component values; values that are found in your kit. No longer will you be asked to provide a 2546.74856Ω resistor.
This calculator will also allow you to tell it which components to use, based on what you have available. Don't have a 10KΩ resistor, or a 4.7 nF capacitor? Remove it from the list and you'll never be asked to use one.
This is a brute force calculator. Meaning it calculates every possible combination and if it comes within 1% of your desired frequency it will display it as a result. If battery concerns or the speed of the results is of concern, users can opt to have the calculations done via remote server. Your custom component list is still used for this process, but results can be generated in a fraction of the time.
Feedback and feature requests are always welcome. No comment too sour!
Explanation of permissions:
Full Internet access required for-
*Ads
*Remote calculation of values
Full source of version 1.7 can be found at:
http://stuff.foamcoffee.com/android/Calc555.tar.gz
All Application Badges
Free
downl.
downl.
Android
1.6+
1.6+
Bug
buster
buster
Android app
App History & Updates
What's Changed
1.8:
If you enjoy this calculator, feel free to consider the ad-removing license. Ensure you are updated to at least v1.8 before purchase. Thank you!
1.8:
If you enjoy this calculator, feel free to consider the ad-removing license. Ensure you are updated to at least v1.8 before purchase. Thank you!
More downloads 555 Timer Calculator (NE555) reached 50 000 - 100 000 downloads
More downloads 555 Timer Calculator (NE555) reached 10 000 - 50 000 downloads
Version update 555 Timer Calculator (NE555) was updated to version 1.8
Name changed Name changed! 555 Calculator now is known as 555 Timer Calculator (NE555).
What are users saying about 555 Timer Calculator (NE555)
R
by R####:
by R####:
this app has saved me lot of time in getting right frequency without hazzle. one improvement, it should rotate with auto rotate. and it doesn't on my phone. even without that this app is very useful for nerds. this one was best out of 2 other which I tried.
Y
by Y####:
by Y####:
Simple but complete.
Y
by Y####:
by Y####:
Good thought but full internet ,make all apps to dwnld directly to sd card
X
by X####:
by X####:
Gota love this 555 app.
X
by X####:
by X####:
Nice app
N
by N####:
by N####:
Oh the places you'll go when learning how to master the 555.
N
by N####:
by N####:
Nice
H
by H####:
by H####:
This makes all my life soooo much easier
U
by U####:
by U####:
Love it help me out a lot
N
by N####:
by N####:
Yeah. Full internet access.
N
by N####:
by N####:
Nicely done....
N
by N####:
by N####:
Very useful!!!!
N
by N####:
by N####:
Love it. Wish I had it years ago.
L
by L####:
by L####:
Very useful app but can't close app!
N
by N####:
by N####:
This is a good start to a helpful app. It woud be made better if it could expand larger to see circuit. Also would be nice to go back
N
by N####:
by N####:
Good thought but full internet ,make all apps to dwnld directly to sd card
R
by R####:
by R####:
it only supports astable operation, not monostable or PWM.
G
by G####:
by G####:
Cool man
T
by T####:
by T####:
Oh the places you'll go when learning how to master the 555.
T
by T####:
by T####:
Nice
V
by V####:
by V####:
This makes all my life soooo much easier
K
by K####:
by K####:
Love it help me out a lot
T
by T####:
by T####:
Yeah. Full internet access.
T
by T####:
by T####:
Nicely done....
T
by T####:
by T####:
Very useful!!!!
T
by T####:
by T####:
Love it. Wish I had it years ago.
E
by E####:
by E####:
Very useful app but can't close app!
T
by T####:
by T####:
This is a good start to a helpful app. It woud be made better if it could expand larger to see circuit. Also would be nice to go back
T
by T####:
by T####:
Good thought but full internet ,make all apps to dwnld directly to sd card
Q
by Q####:
by Q####:
it only supports astable operation, not monostable or PWM.
F
by F####:
by F####:
Cool man
by R####:
App