Create and view diagrams for automotive and electrical projects. Search for wire connections by connector or component. Annotate diagrams with notes and labels. Export diagrams as images or PDFs. Share diagrams with team members or clients.
by Clinton Flowers★ 4.73 ratingsProductivityFreeData updated 2026-09-06
Calculate values using resistor color codes, voltage, current, and resistance formulas. Perform impedance and RLC circuit analysis. Input values to get accurate results for engineering, wiring, and circuit design tasks.
Calculate conduit trade size based on wire sizes and NEC 2023 standards. Input up to five wire sizes to determine minimum required conduit size. Verify code compliance for electrical installations.
Calculate subwoofer voice coil wiring for single, double, and quad configurations. Determine subwoofer cone area. Suggest amplifier power and car electrical system requirements. Include subwoofer box calculators and Ohms Law tools.
Detect electromagnetic fields in real time using your phone's sensors. Identify risk zones in workspaces, bedrooms, and living areas. Measure EMF levels from devices like computers, fridges, and phones.
Create circuits using logic gates and basic building blocks. Wire components on a flexible plane. Simulate real-time behavior. Learn fundamental concepts of engineering and computer science.
Access product information and tools for /R professionals. View real-time order status. Use a duct calculator to determine size, material, and specifications. Link online account to manage prices, add items to cart, and check inventory.
Access product information, pricing, and order status through account linking. View real-time product availability at preferred and nearby branches. Find locations, hours, and contact details. Track order progress and check branch inventory.
View live video feeds from multiple cameras and receive instant push notifications. Playback recorded video to review events. Manually record video or take snapshots to send. Set up and control the security system.