Guitar Pedal Circuit Calculators & Tools

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Voltage Divider Calculator
Circuit schematic of a voltage divider, including resistors R1 and R2.
Series & Parallel Resistance Calculator
Series & Parallel Capacitance Calculator
Showing C1 and C2 in series and parallel configuration.
Low Pass Sallen-Key Filter Calculator
Sallen Key Low Pass Filter Circuit Topology
Relaxation Oscillator Calculator
Relaxation oscillator circuit.
Fuzz Face Germanium Transistor hFE Tool
fuzz face germanium transistor hfe measurement calculation tool
Schmitt Trigger Oscillator Calculator
Schmitt trigger oscillator circuit.
Indicator LED Current Limiting Resistor Calculator
Common-Emitter Amplifier Calculator
BJT Transistor Common Emitter Configuration
PT2399 Calculator
PT2399 Delay Time vs Resistance
RC Low-Pass Filter Interactive Tool
RC High-Pass Filter Interactive Tool
High-Pass Transfer Function Tool Feature Image
RC Low-Pass Shelving Filter Tool
LM317 Voltage Regulator Calculator
LM317 Adjustable Voltage Regulator Circuit Calculator
RC Filter Cut-Off Frequency Calculator
Passive RC low-pass and RC high-pass cut-off frequency calculator.
Capacitive Reactance Calculator
Capacitive Reactance calculator
RC High-Pass Shelving Filter Tool
Ohm’s Law Calculator
Ohms Law Circuit