The PRO version of Electrodroid doesn't have any ads, and it has more features than the free version.
The app includes:
• Resistor color code decoder (3-6 bands, with inverse look-up);
• SMD Resistor Code;
• Inductor color code decoder;
• Ohm’s law calculator;
• Reactance/Resonance calculator;
• Voltage divider;
• Resistors ratio, value/series/parallel;
• Capacitor charge calculation;
• Operational amplifier;
• LED resistor calculator (with customizable database);
• Adjustable voltage regulator/LM317 calculator (with customizable values);
• Heat dissipation;
• Battery Life calculator;
• Inductor design tool;
• Voltage Drop calculator;
• PCB Trace Width calculator;
• Simple Filters calculator;
• NE555 calculator;
• Power Calculator;
• RMS Converter;
• Decibel Converter;
• Frequency Converter;
• Analog-Digital Converter;
