Basic Electronics Lab
SIM ACTIVE
v1.0
SIMULATION ENGINE v1.0 โ€” 6 LABS ACTIVE

Basic Electronics
Lab Simulator

Physics-accurate, interactive simulations of analog electronics โ€” from diode I-V curves to 555 timer oscillator. Adjust parameters and watch the physics respond in real time.

Start First Lab About This Project
6
Interactive Labs
20+
Physics Models
โˆž
Parameter Combos
60fps
Render Rate
AVAILABLE LABS
01

Diode I-V Characteristics

Plot real-time I-V curves for PN Junction and Zener diodes using the Shockley diode equation with Zener breakdown simulation.

Shockley Eq.Zener BreakdownI-V Curve
Open Lab
02

Rectifier Circuits

Dual-trace oscilloscope comparison of Half-wave and Full-wave Bridge rectifier waveforms with real diode voltage drops.

Half-WaveFull-Wave BridgeRipple
Open Lab
03

Clipper & Clamper

Positive, negative, and double clippers; positive/negative clampers โ€” with DC offset control and color-coded dual traces.

ClippingDC ClampingSquare Wave
Open Lab
04

BJT Characteristics

Input (I_B vs V_BE) and Output (I_C vs V_CE) characteristics with Early Effect, saturation/active region shading, and cursor readouts.

Early EffectInput Char.Output Char.
Open Lab
05

Op-Amp 741

LM741 in four configurations: Inverting/Non-Inverting Amplifier, Integrator, and Differentiator โ€” with ยฑV_CC rail clamping and phase readouts.

InvertingIntegratorDifferentiator
Open Lab
06

555 Timer IC

NE555 in Astable, Monostable, and Bistable modes โ€” real-time V_cap oscilloscope with V_CC/3 and 2V_CC/3 threshold reference lines.

AstableMonostableSR Flip-Flop
Open Lab
WHY USE THIS SIMULATOR
โšก
Real Physics Engines
Shockley equation, Early Effect, RC time constants โ€” not approximations
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Dual-Trace Oscilloscope
Input vs output simultaneously rendered at 60fps with glow effects
๐ŸŽ›๏ธ
Live Parameter Sliders
Change R, C, frequency, gain โ€” instantly updates every waveform
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Dynamic Circuit SVGs
Schematic diagrams update per mode โ€” no static images
Physics Formula Reference
Shockley Diode Eq.
I_D = I_S(e^(V_D/nV_T) โˆ’ 1)
Thermal Voltage
V_T = kT/q โ‰ˆ 25.85 mV @ 300K
BJT Active Region
I_C = ฮฒยทI_B = I_Sยทe^(V_BE/V_T)
Op-Amp Inverting
V_out = โˆ’(R_f / R_in) ร— V_in
Op-Amp Integrator
V_out = โˆ’(1/RC) โˆซ V_in dt
555 Astable Freq.
f = 1.44 / ((R1+2R2)ยทC)
555 Monostable
t_p = 1.1 ร— R ร— C
Half-Wave Rect.
V_out = max(V_in โˆ’ 0.7, 0)
Built with Astro 6 + Vanilla JS Canvas โ€” no external simulation libraries.
All physics computed analytically in real time. Learn more โ†’