Electronics Engineer Helper vs Rope Knots Guide

Digital toolbox for electronics engineers and electricians. Calculators and references for beginners and professionals — for work, study, DIY, and repair. Used by over 100,000 users. Completely ad-free. Included tools: • Datasheet search • Equivalent parts search (cross reference for transistors, diodes and ICs) • Resistor color and digit marking (4, 5 and 6 band color code; 2 symbols, 3/4 digit and EIA-96 code SMD resistors code) • Electronic schematic symbols (IEC 60617, IEEE 315 and GOST standards) • Pinouts of connectors and interfaces (USB, HDMI, DisplayPort, DVI, VGA, Thunderbolt, Apple Lightning and 30-pin, SATA, PCI Express and M.2, Ethernet RJ45 with PoE, RJ11/RJ14/RJ25, RS-232/422/485, IEEE 1394 FireWire, ATX, computer fans, SD card, audio jack, RCA, MIDI, XLR, PS/2, D-sub, SMEMA) • Pinouts of boards and microcontrollers (Raspberry Pi and Pico, Arduino, ESP32, ESP8266, STM32 Nucleo, Teensy, Orange Pi, RADXA Rock Pi, LubanCat, Flipper Zero, ATmega and ATtiny) • Ohm's law calculator • AWG converter (wire diameter, cross-section area, resistance and maximum current) • Resistor for LED • Voltage divider • Wheatstone bridge (output voltage or unknown resistance, current and power of every arm) • Capacitor code • Capacitor markings • Capacitor ESR tables • Frequency response curve calculation of passive filters (RC, RL, RLC, LC) • Inductor color code • Air-core coil calculator (inductance or number of turns of a single-layer solenoid) • Ideal transformer (winding turns, voltages and currents) • Linear current regulator • SMD packages list • Reactance • PCB trace resistance • Active, apparent and reactive power • RMS converter (peak, RMS and peak-to-peak values for seven waveform shapes) • 555 waveform generator • Operational amplifiers • RLC circuit • Number conversion • Unit converter • Cable voltage drop • Battery life (runtime of a battery pack, with discharge curve) • NTC thermistor resistance • Logic gates • RC circuit • Decibels calculator • 25-pair cable color code • Fuse color marking Additionally, by purchasing the PRO version of the app, you will get access to additional tools: • SMD components marking codes • Diodes color code (Pro Electron, JEDEC and JIS-C-7012 standards) • Linear voltage regulator • Resistor value to color or SMD code marking converter • Voltage rectifier • Series or parallel electrical components' connection calculator • Diode voltage drop • Minimum PCB trace width • Analog to digital conversion • Attenuators • 4-20 mA signal converter • Thermocouple calculator • Resistance thermometer • Buck switching voltage regulator • Wire resistance • Zener diode regulator (Zener diode and series resistor selection from a catalogue of 438 parts) • Load cell (bridge output voltage to weight, force, pressure or torque) • BJT voltage divider biasing • Transformer turns per volt (from core area, flux density and frequency) • Junction temperature (with or without a heatsink, power derating curve) • Solar string dimensioning (minimum voltage and current ratings for a PV array) • Solar cable and fuse selection (NEC and IEC rules) • 555 astable generator with variable duty cycle • NTC thermistor in a voltage divider and with an ADC input Privacy Policy: https://www.eehelper.app/ios/privacy/ Terms of Use: https://www.eehelper.app/ios/terms/

Learn to tie 100+ rope knots the clear way: every knot is drawn step by step, with a short caption under each picture telling you exactly where the end goes next. No video to scrub through, no blurry photos — just clean, consistent illustrations you can follow with a rope in your hands. WHO IT'S FOR Climbers, sailors and boaters, campers and hikers, scouts, arborists, anglers, preppers and anyone who has ever stood with a rope in hand wondering "what do I tie here?" 108 KNOTS IN 10 CATEGORIES Loop knots — Bowline, Alpine Butterfly, Figure Eight follow-through, Yosemite Bowline, Bowline on a Bight and more Hitches — Clove Hitch, Rolling Hitch, Trucker's Hitch, Timber Hitch, Cleat Hitch, Anchor Bend Bends — Zeppelin, Double Fisherman's, Sheet Bend, Carrick Bend, Water Knot Binding knots — Constrictor, Square Knot, lashings Friction hitches for climbing and arborist work — Prusik, Klemheist, Blake's, Distel, Valdotain Tresse Boating, Climbing, Rescue & Survival, Scouting and Special Purpose collections Stoppers, coils and whippings to finish the job properly EVERY KNOT, STEP BY STEP Hand-drawn style illustrations with a visible rope texture, so over and under are never ambiguous A caption for every step, not just the finished knot Arrows show where the working end goes next Slideshow mode: put the phone down and tie along What the knot is for, its strengths and when not to use it MORE THAN A KNOT LIST Smart Knot Selector — describe the job, get the right knot Knot Selection Guide by situation Rope Length & Cut Planner Anchor Load & Angle calculator Safe Working Load estimator Rope Diameter → Breaking Strength reference Capstan Friction calculator Knot Efficiency table — how much strength each knot costs you Rope Materials guide (nylon, polyester, Dyneema, polypropylene…) Unit conversion quick reference WORKS ANYWHERE 100% offline — on the water, on the wall, in the woods Favorites for the knots you actually use Share any knot's instructions with a friend Available in 33 languages FULL VERSION A one-time purchase removes ads and unlocks every knot and tool forever. Subscriptions are available too if you prefer. Whether you are learning your first Bowline or checking a Trucker's Hitch before a long drive, Rope Knots Guide gives you a clear answer in seconds. Download it, grab a piece of rope, and start tying. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/