Wheatstone Bridge Calculator
Instantly calculate the unknown resistance in a balanced Wheatstone bridge. Input three known values to find the fourth. The circuit diagram updates in real-time to reflect the bridge’s state.
February 21, 2026
PCB Tools
The ultimate all-in-one PCB tools and calculator hub. Access professional-grade utilities for circuit design, RF engineering, impedance matching, and manufacturing analysis. From basic Ohm’s Law to complex microwave propagation, get precise engineering results to optimize your hardware projects.
CRC Calculator Online – Free Tool
Use our free, fast, and accurate online CRC calculator to compute checksums for CRC-8, CRC-16, CRC-32, and more. Ensure data integrity and detect transmission errors instantly.
February 15, 2026
Terrain Obstruction Profile
Analyze signal paths with our interactive Terrain Obstruction Profile. Visualize line of sight, Fresnel zones, and topography for telecom and aviation planning.
February 9, 2026
LOS Distance Formula
Calculate Line of Sight (LOS) distance with our free tool. Learn the formulas, earth curvature effects, and atmospheric refraction factors for radio and radar.
February 2, 2026
Point-to-Point Wireless Distance
Calculate point-to-point wireless range and Fresnel zone clearance. Explore how frequency, power, and antenna gain affect distance for various link technologies.
January 27, 2026
RF Line of Sight
Model wireless link viability with our RF line of sight tool. Calculate Fresnel zone clearance and Earth bulge effects to ensure reliable point-to-point signals.
January 21, 2026
Antenna Height Gain
Calculate the correlation between antenna height and signal gain with this professional online tool. Determine how elevating your antenna affects signal coverage, path loss, and communication range. Essential for RF engineers and ham radio operators looking to optimize wireless link performance and overcome obstacles.
January 15, 2026
Radio Horizon Calculator
Calculate theoretical radio horizon distance based on antenna height. Explore formulas, atmospheric refraction effects, and dual-antenna system link planning.
January 8, 2026
Voltage Drop Calculator
Calculate voltage drop across cables based on material, length, and current. Includes formulas and NEC-compliant tables for electrical engineering projects.
January 2, 2026
Transformer kVA Calculator
Calculate transformer kVA ratings for single-phase and three-phase systems. Includes formulas, step-by-step sizing guides, and practical application examples.
December 27, 2025