Discover / electronics-calc.x402tookit.com

Electronics Calculators

■ Challenge detected

Battery runtime estimate from capacity (mAh and volts, or Wh) and load (mA or W), with efficiency and usable depth of discharge.

Listed price
$0.02
Challenge detected
1 of the last check
Median response
187 ms
Last checked
21 Oct, 00:26 UTC
In our index since
21 Oct 2026

Endpoint

curl -i https://electronics-calc.x402tookit.com/battery-runtime
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.
11 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://electronics-calc.x402tookit.com

  • GET/ne555-timerNo price listed555 timer calculator: astable frequency, period and duty cycle from R1, R2 and C, or monostable pulse width from R and C.
  • GET/power-costNo price listedEnergy use and running cost of a device from its watts, hours per day and electricity price: daily, monthly and yearly.
  • GET/decibelsNo price listedDecibel conversions: power or voltage ratio to dB and back, and dBm to milliwatts and watts and back.
  • GET/resistor-standardNo price listedNearest standard E6, E12, E24, E48, E96 or E192 resistor values to a target, with the percent error of each neighbour.
  • GET/voltage-dividerNo price listedResistor voltage divider: output voltage, current and power from R1 and R2, or the R2 needed for a target output.
  • GET/led-resistorNo price listedSeries resistor for an LED from supply voltage, forward voltage and current, with nearest E12 and E24 values and real current.
  • GET/resistor-colorNo price listedDecode 3 to 6 resistor color bands to ohms, tolerance and temperature coefficient, or encode a value into 4 or 5 bands.
  • GET/battery-runtimeNo price listedBattery runtime estimate from capacity (mAh and volts, or Wh) and load (mA or W), with efficiency and usable depth of discharge.
  • GET/rc-filterNo price listedRC filter cutoff frequency, time constant and charge times to 63%, 90% and 99% from resistance and capacitance.
  • GET/ohms-lawNo price listedOhm's law and power: give any two of voltage, current, resistance and power and get all four, with engineering units.
  • GET/wire-gaugeNo price listedAWG copper wire: diameter, area and resistance per km, the nearest AWG for an area, and voltage drop over a run.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 11 of 11 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/electronics-calc.x402tookit.com

Recent checks

21 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.21 Oct 2026
All 1 checks
When (UTC)ResultHTTPResponse
21 Oct, 00:26 UTCChallenge detected402187ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 21 Oct, 00:26 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for Electronics Calculators?

Its listed price is $0.02.

What payment terms does Electronics Calculators advertise?

The listing advertises x402, Arbitrum, Base, Polygon, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Electronics Calculators listed?

In x402 Bazaar. Superstables first indexed it on 21 Oct 2026.

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