About this app
Calculate resistor color codes with this handy reference app. The app is useful for the maker, engineer, student and arduino or raspberry pi tinkerer when working with electronics. Supports 4 and 5-band resistors! The industry standard color-code is used to identify the resistance value of resistors used in all kinds of electronics.
Latest release
What’s New
- Minor bug fixes and project updates
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 3:31 AM Free