Electro Archer

Electro Archer is an essential app for electronics students, offering a comprehensive toolkit that includes electronic calculations, pinout diagrams and more.

Download on App Store

Core Features

  • SMD Resistor Code (3-digit & 4-digit)
  • EIA-96 Resistor Code
  • Color Band Resistor Values (3, 4, 5, and 6 bands)
  • Series & Parallel Resistors
  • Voltage Divider Circuit Calculation
  • 3-digit Ceramic Capacitor Code
  • Series & Parallel Capacitors
  • 555 Timer (Astable & Monostable)
  • Non-inverting & Inverting Op-Amp Gain
  • LED Series Resistor Calculator
  • Battery Life Calculator
  • In addition to calculations, Electro Archer offers pinout diagrams for various sensors, ICs, and microcontroller development boards.
  • The app also includes an interactive flashcard feature to help you practice and improve your electronics knowledge. You can flip between front and back views, and search easily when you have a large collection.
  • To enhance convenience, Electro Archer provides a home screen widget that displays key equations, refreshing every minute to keep your knowledge sharp.
  • Supports Dark Mode

Tech Stack

  • SwiftUI
  • SwiftData (iOS17+) to persist Flash Cards
  • WidgetKit
  • Animation APIs in SwiftUI
  • AppStorage
Main App Poster

App Screenshots

Poster 1 Poster 2 Poster 3 Poster 4