What's New in Version 1.3
Jan 19, 2025
Practical Oscillator Circuits Using 555 Timers, Logic ICs, and Op-Amps. Download and install old versions of 555 Timer & Oscillators Guide that suits your device model and enjoy your favorite features!
Updated app content and libraries.
Fixed some bugs.
Updated content and fixed some bugs.
Added new languages: the application content is now available in the following languages:
• English,
• French,
• German,
• Indonesian,
• Italian,
• Polish,
• Portuguese,
• Russian,
• Spanish,
• Turkish,
• Ukrainian.
555 Timer & Oscillators Guide old version 1.3 was released on Jan 19, 2025 by ALG Software Lab. The app download size is 10.4 MB. We recommend you download the latest version of 555 Timer & Oscillators Guide for the new features and better performance.
Download the Latest VersionCheck out the detailed comparison between the latest and old version of 555 Timer & Oscillators Guide, including the file size and Android system requirements.
| Version 1.3 | Version 3.2 (Latest) | |
|---|---|---|
| Package Name | com.algsoftlab.timer555 | com.algsoftlab.timer555 |
| Version | 1.3 | 3.2 |
| Update Date | Jan 19, 2025 | Feb 28, 2026 |
| Size | 10.4 MB | 14.3 MB |
| Requires Android | Android 7.0+ (N, API 24) | Android 7.0+ (N, API 24) |
| Architecture | universal | armeabi-v7a |
| Signature | 63c97b9d1f6e1a0b694778d1998d4137acff853b | 63c97b9d1f6e1a0b694778d1998d4137acff853b |
| Google Play App License | Required | Required |

