Hobby Electronics
Planning calculators for hobby electronics — estimates from industry-style inputs.
Matches are ranked by relevance. Use CtrlK anytime to search the full site.
Arduino Project Cost Calculator
Component cost from project parts list.
simple
Raspberry Pi Power Calculator
Power supply sizing from Pi model and peripherals.
simple
LED Circuit Calculator
Resistor value from LED specs and supply voltage.
simple
PCB Design Cost Calculator
PCB fabrication cost from board size, layers, and quantity.
simple
Sensor Selection Guide Calculator
Sensor type and specs from measurement requirements.
simple
Battery Life Calculator
Runtime from battery capacity and circuit current draw.
simple
Soldering Iron Selection Calculator
Iron specs from project type and components.
simple
3D Printed Enclosure Calculator
Enclosure dimensions from PCB and component layout.
simple
Wire Gauge Calculator
Wire AWG from current capacity and voltage drop.
simple
Oscilloscope Selection Calculator
Bandwidth and sample rate from signal requirements.
simple