Tenio: Electronics Toolkit Lab
For Makers: Tools, Calc & DIY
Free · Designed for iPad. Not verified for macOS.
Tenio: Electronics Toolkit Lab is a practical set of calculators and converters built for makers, students, engineers, and electronics enthusiasts. Quickly solve common circuit tasks, decode component markings, and speed up your projects—right from your phone.
Key Features
• Resistor Color Code → Value (and Value → Color Code)
• SMD Resistor Code → Resistance
• LED Resistor Calculator (ideal resistor for your LED circuit)
• Series & Parallel Resistor Calculator
• Trimpot Code ↔ Resistance Converter
• SMD Capacitor Code → Capacitance
• Series & Parallel Capacitor Calculator
• Capacitor Code ↔ Capacitance Converter
Whether you’re prototyping on a breadboard, working on Arduino projects, studying for exams, or designing real circuits—Tenio helps you calculate faster and build with confidence.
Ratings & Reviews
Tenio is expanding! We’ve added full support for French, Italian, and Portuguese (Brazil & Portugal). This update also includes general UI polish and performance improvements to make your calculations even smoother.
The developer, Samuel Rodas Aroche, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Samuel Rodas Aroche
- Size
- 6.5 MB
- Category
- Education
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
English and 4 more
- English, French, Italian, Portuguese, Spanish
- Age Rating
4+
- 4+
- Copyright
- © 2026 Samuel Rodas