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Slugs e entradas das calculadoras

Todas as 255 calculadoras, por categoria. Envie o slug de uma calculadora como slug; a referência dela lista cada entrada com unidade, faixa e padrão, cada saída e um exemplo real.

Slugs de calculadoras populares

As calculadoras mais usadas
Slug	Calculadora	Entradas
bldc-winding	Calculadora de enrolamento BLDC	targetKv, poleCount, slotCount, statorInnerDia, statorStackLength, maxCurrent, supplyVoltage, windingType
yagi-antenna	Calculadora de design de antena Yagi-Uda	frequency, numElements
filter-designer	Designer de filtro RC/LC passivo	responseType, filterType, fc, order, impedance, qFactor, eSeries
coax-loss	Calculadora de perda de cabo coaxial	cableIndex, frequencyMHz, lengthM, inputPower
ntc-thermistor	Calculadora de temperatura do termistor NTC	resistance, beta, T0, R0, fixedResistor, adcRef, adcBits, ntcPosition
smith-chart	Calculadora de gráficos Smith	resistance, reactance, referenceImpedance
pll-loop-filter	Designer de filtro PLL Loop	fRef, loopBW, phaseMargin, kvco, n, icp, eSeries
dipole-antenna	Calculadora de antena dipolo de meia onda	frequency, velocityFactor

Todos os slugs

Calculadoras de RF e Micro-ondas36

Calculadoras de Projeto de PCB36

Calculadoras de Eletrônica de Potência23

Calculadoras de Processamento de Sinais14

Calculadoras de Projeto de Antenas11

Calculadoras de Eletrônica Geral24

Calculadoras de Comunicações11

Calculadoras de EMC/EMI16

Calculadoras de Gestão Térmica6

Calculadoras de Interface de Sensores17

Calculadoras de Conversão de Unidades19

Calculadoras de Eletrônica de Áudio18

Calculadoras de IoT e LPWAN2

A mais usada: bldc-winding, com os seus padrões

curl -X POST https://rftools.io/api/py/v1/calculate \
  -H "X-API-Key: $RFTOOLS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "slug": "bldc-winding",
    "inputs": {
      "targetKv": 935,
      "poleCount": 14,
      "slotCount": 12,
      "statorInnerDia": 22,
      "statorStackLength": 13,
      "maxCurrent": 5,
      "supplyVoltage": 11.1,
      "windingType": 0
    }
  }'

import rftools

client = rftools.Client()  # reads RFTOOLS_API_KEY, or the key `rftools login` saved

result = client.calculate("bldc-winding", {
    "targetKv": 935,
    "poleCount": 14,
    "slotCount": 12,
    "statorInnerDia": 22,
    "statorStackLength": 13,
    "maxCurrent": 5,
    "supplyVoltage": 11.1,
    "windingType": 0,
})
print(result.values)
print(result.warnings, result.provenance.formula_ref)

const response = await fetch("https://rftools.io/api/py/v1/calculate", {
  method: "POST",
  headers: {
    "X-API-Key": process.env.RFTOOLS_API_KEY,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "slug": "bldc-winding",
    "inputs": {
      "targetKv": 935,
      "poleCount": 14,
      "slotCount": 12,
      "statorInnerDia": 22,
      "statorStackLength": 13,
      "maxCurrent": 5,
      "supplyVoltage": 11.1,
      "windingType": 0
    }
  }),
});
console.log(response.status, await response.json());

package main

import (
	"bytes"
	"fmt"
	"io"
	"net/http"
	"os"
)

func main() {
	body := []byte(`{
	  "slug": "bldc-winding",
	  "inputs": {
	    "targetKv": 935,
	    "poleCount": 14,
	    "slotCount": 12,
	    "statorInnerDia": 22,
	    "statorStackLength": 13,
	    "maxCurrent": 5,
	    "supplyVoltage": 11.1,
	    "windingType": 0
	  }
	}`)
	req, err := http.NewRequest("POST", "https://rftools.io/api/py/v1/calculate", bytes.NewReader(body))
	if err != nil {
		panic(err)
	}
	req.Header.Set("X-API-Key", os.Getenv("RFTOOLS_API_KEY"))
	req.Header.Set("Content-Type", "application/json")
	res, err := http.DefaultClient.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()
	out, _ := io.ReadAll(res.Body)
	fmt.Println(res.Status, string(out))
}

200application/json

{
  "slug": "bldc-winding",
  "values": {
    "turnsPerCoil": 4,
    "wireAwg": 18,
    "wireDiameter": 1.024,
    "fillFactor": 47.23709144930302,
    "phaseResistance": 13.876901160598317,
    "coilSpan": 1,
    "windingFactor": 0.9330127018922194,
    "actualKv": 1027.607626225481,
    "deltaEquivKv": 1779.8686188677814,
    "noLoadSpeed": 11406.444651102838
  },
  "warnings": [],
  "errors": [],
  "provenance": {
    "method": "calculator:bldc-winding",
    "version": "api@3f2c1a9b04de",
    "formulaRef": "Hanselman, D. — Brushless Permanent Magnet Motor Design, 2nd ed.; Bianchi, N. & Dai Pré, M., IEE Proc. Electric Power Applications, 2006 (winding factor); Pyrhönen, Jokinen & Hrabovcová, Design of Rotating Electrical Machines, Wiley 2008, section 2.9 (slot fill)",
    "assumptions": [
      {
        "code": "slot-area-inrunner-bore",
        "text": "The slot area is estimated from the stator bore as for an inrunner, 0.55·πd/S wide by 0.2·d deep. An outrunner's slot is smaller, so its real fill factor is higher than shown."
      }
    ],
    "validRange": {
      "status": "inside",
      "bounds": {
        "targetKv": {
          "min": 1,
          "max": 10000,
          "unit": "RPM/V"
        },
        "poleCount": {
          "min": 2,
          "max": 60,
          "unit": "poles"
        },
        "slotCount": {
          "min": 3,
          "max": 72,
          "unit": "slots"
        },
        "statorInnerDia": {
          "min": 5,
          "max": 300,
          "unit": "mm"
        },
        "statorStackLength": {
          "min": 1,
          "max": 200,
          "unit": "mm"
        },
        "maxCurrent": {
          "min": 0.1,
          "max": 500,
          "unit": "A"
        },
        "supplyVoltage": {
          "min": 1,
          "max": 400,
          "unit": "V"
        },
        "windingType": {
          "min": 0,
          "max": 1,
          "unit": ""
        }
      },
      "outside": [],
      "model": null
    },
    "computedAt": "2026-09-24T14:05:11.003Z",
    "inputs": {
      "targetKv": 935,
      "poleCount": 14,
      "slotCount": 12,
      "statorInnerDia": 22,
      "statorStackLength": 13,
      "maxCurrent": 5,
      "supplyVoltage": 11.1,
      "windingType": 0
    },
    "seed": null,
    "elapsedSeconds": 0.003
  }
}