Showing 1–20 of 1,000 ranked alternatives.
PawEng, LLC
Access electrical codes and standards
Access electrical codes and standards for residential, commercial, and industrial applications. Search for wiring diagrams, safety protocols, and equipment specifications. View detailed explanations of electrical systems and components.
Rostyslav Dovhaliuk
Search datasheets and calculate resistor values
Datasheet search allows users to find electronic components. Resistor color codes and markings are decoded for 4, 5, and 6 band codes. Electronic symbols are displayed according to IEC 60617, IEEE 315, and GOST standards.
IODEMA SRL
Lookup resistor values and color codes
Allows users to calculate resistor values using color codes and SMD codes. It includes tools for Ohm's Law, reactance, resonance, and voltage dividers. Users can determine resistor ratios, series/parallel combinations, and LED resistor needs.
Fifth Star Labs LLC
Identify stars, constellations, and planets
Identify stars, constellations, planets, and satellites using augmented reality. View celestial objects with detailed information. Track movement of planets and satellites. Adjust settings for different sky conditions.
Electronial
Calculate resistor values by color
Toolkit provides resistor calculations based on color codes or SMD values. It includes an LED resistor calculator and parallel resistor tools. Users can reference electronic components and formulas for design and troubleshooting.
NASA
Stream videos, view images, and explore space
Access + videos without a subscription. View over 21,000 latest images. Explore mission details and news. Listen to podcasts. Use augmented reality to interact with space content. Track live coverage and on-demand series.
Adafruit Industries LLC
Calculate component values and resistor codes
Calculate component values for Op Amp, 555, RC Filter, and Resistor Divider circuits. Decode resistor and capacitor codes. Compute power, resistance, current, and voltage using Ohm's Law and Power Calculators.
Sergey Vavaev
Access theory, diagrams, and calculators offline
’s provides access to electrical theory topics, including exercises with answers. Features interactive diagrams for hands-on learning. Includes calculators and formulas for electrical calculations. Works offline without ads or subscriptions.
Angel Martinez
Calculate cable sizes and circuit dimensions
Calculate electrical circuits with tools for cable sizing, including phase, neutral, and protective conductors. Use criteria based on current capacity, voltage drop, and overcurrent protection.
Cornell University
Identify birds by sound and sight
Identify birds by answering questions, uploading photos, recording sounds, or exploring regional species. Access a database of sightings, sounds, and photos. Learn about characteristics and habitats.
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