Wired White
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733 Activity 
Calcs
Sun Position and Solar Irradiance Calculator
Wired White v3 Find solar elevation, azimuth and clear-sky irradiance on a tilted panel. Animate the sun path, compare panel tilts and estimate daily incident solar energy.
Off-Grid Solar System Sizing Calculator
Wired White v2 Size an off-grid solar array, battery bank, MPPT or PWM controller and inverter from daily loads, sunless days and worst-month peak sun hours.
Wall U-Value and Condensation Calculator
Wired White v2 Calculate a layered wall’s U-value, insulation thickness and condensation risk. See temperature, dew-point and Glaser vapour-pressure profiles through the wall.
PMSM Efficiency Map Calculator
Wired White v2 Calculate a minimum-loss PMSM efficiency map from public nonlinear flux and loss data. Explore current and voltage limits, MTPA/MTPV guides, scaling and optional PWM losses.
Heat Pump Running Cost Calculator
Wired White v2 Estimate heat-pump electricity from climate and flow temperature or a supplied JAZ. Compare gas, oil and kerosene costs with dated German tariffs and carbon-price scenarios.
Tolerance Stack-Up Calculator: Worst Case, RSS & Monte Carlo
Wired White v2 Analyze a signed 1D dimension chain with worst-case limits, RSS and seeded Monte Carlo. Compare assembly yield and identify the tolerances that dominate variation.
Bolt Torque and Preload Calculator
Wired White v2 Calculate bolt preload from torque or torque from target clamp force. Compare thread and bearing friction, assembly yield utilisation, friction scatter and tapped-hole stripping.
PID Controller Tuning Simulator
Wired White v2 Tune a filtered PID controller on process and DC motor models. Compare step response, actuator saturation, Bode margins and a root locus with SIMC or Ziegler–Nichols settings.
EV Range and Energy Consumption Calculator
Wired White v2 Estimate EV range and battery consumption from speed, temperature, elevation and vehicle data. Compare steady driving with EPA city and highway cycles.
LLM VRAM and Throughput Calculator
Wired White v2 Find which local LLMs fit your GPU, Mac or CPU—or which hardware fits a model. Compare KV memory, prefill, decode, runtime support and measured speed references.
PCB Trace Width Calculator — IPC-2221 & IPC-2152
Wired White v2 Size copper PCB traces from current, temperature rise, copper weight and layer. Compare the IPC-2221 legacy formula with the named SMPS.us IPC-2152 baseline fit.
Inverter Loss and Heatsink Calculator
Wired White v2 Estimate IGBT inverter losses and heatsink requirements including base spreading. Compare footprint and thickness effects on resistance and hot-spot temperature.
Flyback Converter Design Calculator
Wired White v2 Size or check a flyback transformer in DCM or CCM. Calculate inductance, turns ratio, peak and RMS currents, device voltage stress, winding estimates and an RCD clamp.
Power Inductor Design Calculator
Wired White v2 Size a gapped ferrite inductor and check peak flux, copper loss and iGSE core loss. Compare air-gap and ripple-duty tradeoffs with published ferrite baselines.
Transformer Design Calculator
Wired White v2 Size mains and ferrite bridge transformers with turns per volt, peak flux, window fill, copper and core losses, and temperature rise. Includes traceable loss models and winding checks.
Battery Pack Configuration Calculator
Wired White v2 Size series and parallel battery packs from cell datasheet values. Calculate voltage, capacity, energy, mass, volume, current limits, heating and optional two-RC pulse sag.
Battery Runtime and Backup Power Calculator
Wired White v2 Calculate battery and UPS runtime for fans, lights, TVs or boilers. Compare editable 150/200 Ah inverter examples and size battery counts from runtime, voltage and C-rate limits.
Beam Calculator: Deflection, Shear and Moment
Wired White v3 Calculate beam reactions, shear and moment diagrams, deflection and bending stress for common supports, combined loads, and steel or timber sections.
PV and Home Battery Payback Calculator
Wired White v2 Compare PV and battery payback with hourly energy balances, replacement costs and dated DE, NL, FR, PL, India, Pakistan and Brazil presets. Regional currencies and settlement rules stay explicit.
Cable Size and Voltage Drop Calculator
Wired White v2 Size a cable or find its maximum current and kW at 1%, 3% and 5% voltage drop. Compare computed heating, device coordination and fault-loop limits with explicit IEC and NEC assumptions.
Heat Load and Heat Pump Sizing Calculator
Wired White v2 Estimate room-by-room heat loss or use gas bills and degree days. Compare heat-pump capacity, bivalence and water flow with explicit assumptions.
Tesla Roadster Flight Simulator
Wired White v5 Explore hypothetical Tesla Roadster cold-gas hops, launch and braking, with tank cooling, gas use, claim checks and a physical, fixed-scale replay.
My Engineering IQ Test — 16-Question Engineering Quiz
Wired White v2 Take a 16-question engineering quiz covering electrical, mechanical, control and maths. Get category scores, worked formulas and a result you can share.
BLDC Motor Design Calculator: Winding, Kv, Kt and Losses
Wired White v2 Size a star-connected BLDC winding, convert Kv and Kt, and check torque, voltage headroom, copper losses and slot fill. Includes a speed envelope and six-step commutation animation.