CircuitMate ⚡

Common Student Problems

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Circuit Diagnostic Console

Circuit Architecture

Problem Description & Components

Code / Netlist / Pinout (Optional) Arduino IDE / SPICE / Pin Mapping

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Select a student preset problem on the left, upload a breadboard photo, or enter your custom circuit details to receive AI component breakdowns, SPICE netlists, and BOM estimates.

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Analysis Results

Root Cause Identified

Engineering Explanation

Troubleshooting Checklist

Item / Component	Package / Specs	Qty	Est. Cost
Total Estimated BOM Cost:			$0.00

Lab Engineering Calculators

Essential formulas for hardware prototyping, passive filtering, and active timer circuits.

LED Series Resistor Calculator

Calculate exact resistance needed to prevent diode burnout.

Supply Voltage (Vcc)

LED Forward Voltage (Vf)

Forward Current (mA)

Required Resistance: 150 Ω

Voltage Divider Calculator

Calculate output voltage ($V_{out}$) across two resistors.

Vin (V)

R1 (Ω)

R2 (Ω)

Output Voltage ($V_{out}$): 4.50 V

RC Low-Pass Filter Cutoff

Calculate -3dB cutoff frequency ($f_c = \frac{1}{2\pi RC}$).

Resistance (Ω)

Capacitance (µF)

Cutoff Frequency ($f_c$): 1.59 kHz

555 Timer Astable Frequency

Calculate square wave frequency & duty cycle.

R1 (kΩ)

R2 (kΩ)

C (µF)

Frequency / Duty: 0.99 Hz (50.5%)