A collection of tools for your engineering needs.
Calculate the optimal external load capacitors (C1 & C2) for a crystal oscillator based on its specified load capacitance and stray capacitance.
Calculate required PCB trace widths for given currents and temperature rises based on IPC-2221 standards.
Plan and calculate voltage dividers, optionally searching standard E-series resistors (E12, E24, E96) to match a target output voltage.
Calculate cutoff frequencies for Low Pass, High Pass, and Band Pass RC filters.
Calculate frequencies, duty cycles, and pulse widths for Astable and Monostable 555 timer circuits.
Calculate exact and standard resistor values for driving LEDs. Includes SMD footprint recommendations based on power dissipation.
Calculate voltage gain and dB for inverting, non-inverting, and differential op-amp amplifier configurations.
Estimate runtime for embedded and IoT devices. Define active, idle, and deep-sleep power states and calculate average current draw.
Calculate PCB trace characteristic impedance (Z₀) for microstrip and embedded stripline using IPC-2141A formulas. Essential for RF and high-speed design.
Convert between AWG, mils, mm, mm², and circular mils. Includes a searchable AWG reference table with max current ratings and resistance values.
Calculate UART baud rate error percentage from MCU clock frequency and prescaler. Find the closest achievable baud rate for reliable serial communication.
Calculate edge-coupled microstrip differential impedance (Zdiff) for high-speed signals like USB, PCIe, and LVDS.
Calculate the maximum current a plated through-hole via can safely carry based on IPC-2221 temperature rise standards.
Calculate target Power Delivery Network (PDN) impedance and minimum bulk capacitance for stable FPGA core voltage.
Instantly visualize your GeoJSON and zipped Shapefile data on an interactive map completely in your browser.
Convert Shapefiles, KML, and other geospatial formats into web-friendly GeoJSON for easy visualization and web mapping.
Reproject geographic data between different Coordinate Reference Systems (e.g., EPSG:4326 to EPSG:3857).