Timer IC 555

Name: Timer IC 555
Availability: InStock
Author: sweet_baked_pie

sweet_baked_pie · net.seesaa.sweet_baked_pie.Timer555

0.0 10,000 10,000 v1.1 1.3 MB SDK 9+ PEGI-3 · Everyone

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UpdatedFeb 24, 2018

PublishedFeb 24, 2018

Packagenet.seesaa.sweet_baked_pie.Timer555

MD5200b584ab58cf9891ef8ea94e19a9458

SHA1 (signer)EC:E1:C8:8A:20:EB:9D:40:EC:08:C0:40:43:D9:09:C5:14:DF:B7:2B

Signed byCN=sweet_baked_pie, OU=Unknown, O=Unknown, L=Unknown, ST=Tokyo, C=JP

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What's new

v1.1
- Added custom 10 keypad.
Because the decimal point button may be far on some software keyboards.
- Enabled all operations by only physical full keyboard.

Description

The 555 is an industrial standard timer IC, this app calculates about it.

FEATURES

- Can limit the values of resistors/capacitor to E3/E6/E12/E24 series.

- Simple waveform which will be output.

- Calculating the frequency and duty cycle from resistors/capacitor.

- Reverse calculating the values of resistors/capacitor from frequency and duty cycle. And list up recommended parts.

- Supported operation is only Astable.

HOW TO USE #1

(1) Please input the values of resistor Ra, Rb and capacitor C.

(2) A frequency, duty cycle, and waveform are output.

HOW TO USE #2

(1) Please input the frequency and duty cycle.

(2) A list of recommended parts (resistor Ra, Rb and capacitor C) is output.

(3) Can use one of the list as the input of 'HOW TO USE #1', and can calcurate it again.