Build an ESP32 GSM Calling Device using the GeoLinker GL868 board with ESP32-S3 and SIM868. This project demonstrates automatic voice calling through a push button and auto-answer functionality for incoming calls.
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ESP32-CAM for Face Detection Using CircuitDigest Cloud
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Build a real-time face detection system using ESP32-CAM and CircuitDigest Cloud API. Full Arduino source code, circuit diagram, and real-time Serial Monitor output included.
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Antenna Power Density Calculator
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This Power density calculator allows you to measure the power density from an antenna at a certain distance by providing the output power and gain values.
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Volts to Amps Calculator
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We can calculate Current from Voltage, either by providing the Power or Resistance values.
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Battery Life Calculator
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This battery life calculator allows you to estimate the battery runtime. You can calculate how long the battery will last depending on the battery capacity and the amount of current consumed by the circuit.
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Stepper Motor Calculator
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With this Stepper motor calculator, you can quickly calculate the speed of the stepper motor in your circuit.
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Radar Range Calculator for Detection Distance Analysis
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Estimate radar detection range instantly using transmitter power, antenna gain, frequency, and target parameters with this radar range calculator.
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Wire/Cable Voltage Drop Calculator
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This voltage drop calculator allows you to calculate the voltage drop across a cable or wire.
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RC Time Constant Calculator to Calculate Capacitor Charge Time
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The Time Constant Calculator is also sometimes referred to as an RC filter calculator or Capacitor charge time calculator, since it is very useful when calculating the capacitor value for an RC filter or when calculating the energy stored in a capacitor.
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Coil Inductance Calculator for Air-Core and Wire Coils
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This coil inductance calculator is designed to calculate the inductance of the coil, given the Relative permeability, No of turns, coil radius, and solenoid length.
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