PCBVault Tools
Free calculators, pin checkers, and scanners.
Verify your design parameters, check pin configurations, generate code, and catch common hardware mistakes before they reach your physical circuit.
Interactive utility suite
Free online tools for hardware designers
Quick tools to isolate faults, verify ratings, and design reliable PCB routing.
Triage
Reliability Score Calculator
Score your power, wiring, isolation, firmware debugging setup, and PCB readiness before fabrication.
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Power
Power Supply Calculator
Estimate total current and catch brownouts, relay noise, SIM800L transmit bursts, and servo spikes.
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Pins
ESP32 Pin Checker
Check boot-sensitive pins, flash-connected pins, and input-only GPIOs before routing SMT layouts.
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I2C
I2C Address Scanner
Generate Arduino and ESP32 scanner code to verify OLED, display, sensor, and RTC addresses.
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PCB
PCB Trace Width Calculator
Calculate required trace widths and temperature rise for power distribution tracks using IPC rules.
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Ohm's Law
LED Resistor Calculator
Determine the correct current-limiting resistor value for single or series LEDs based on source voltage.
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Ohm's Law
Voltage Divider Calculator
Determine resistor pairs to create reference voltages, read high-voltage sensors, or shift signal levels.
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