Build a Raspberry Pi Helmet Detection system using a USB camera, Python, OpenCV, and CircuitDigest Cloud AI. Learn how to detect helmet compliance in real time without machine learning model training, configure the Raspberry Pi, integrate the cloud API, and automate traffic safety monitoring for smart cities, industrial workplaces, and educational AI vision projects.

Learn to build an ESP32-CAM Parking Space Detection System that detects parking availability in seconds using cloud API, Wi-Fi, and real-time image processing.

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.

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.

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.

Estimate radar detection range instantly using transmitter power, antenna gain, frequency, and target parameters with this radar range calculator.

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.

Professional PCB trace width calculator using IPC-2221 standards. Calculate trace width, resistance, voltage drop, & power loss with flexible units. Free tool for engineers & students.

Build a smart ESP32-CAM Indian Currency Recognition and CircuitDigest Cloud AI. Captures, identifies denomination & announces via speaker. Perfect for visually impaired users.

Build a real-time ESP32-CAM Helmet Detection using CircuitDigest Cloud AI, no model training needed. Get WhatsApp alerts with the circuit diagram and full code.