Electronics Tools
Browse our collection of 11 specialized tools for electronics.
Resistor Color Code Decoder
Calculate resistance and tolerance from color bands on through-hole resistors.
LED Series Resistor Calculator
Determine the correct resistor for your LED to prevent it from burning out.
Capacitor Code Decoder
Decode the 3-digit code on ceramic and film capacitors.
SMD Resistor Decoder
Identify the resistance value of surface-mount resistors (EIA-96, 3-digit, 4-digit).
Web Serial Terminal
Connect to microcontrollers (Arduino, ESP32, etc.) directly from your browser to view logs and send commands.
Voltage Divider Calculator
Calculate the output voltage or required resistor values for a simple two-resistor voltage divider.
7-Segment Display Designer
Interactive designer to generate Hex/Binary codes for 7-segment LED displays.
OLED/LCD Custom Character Creator
Design custom 5x8 or 8x8 characters and icons for LCD and OLED displays.
Baud Rate Error Calculator
Calculate the percentage error between target and actual baud rates based on microcontroller clock frequency.
ESP32 Web Flasher
Flash multiple firmware (.bin) files to ESP32 series microcontrollers with custom offsets directly from your browser.
RP2040 / RP2350 Firmware Uploader
Upload UF2 firmware files to Raspberry Pi Pico, Pico 2, and other RP2040/RP2350 boards directly from your browser.
Why use our Electronics tools?
Our electronics tools are designed for efficiency, accuracy, and ease of use. Whether you're troubleshooting a network issue, managing servers, or developing a new application, these tools provide the quick results you need without any complicated setup or installation.
- Free to Use: All our tools are completely free, with no registration required.
- Privacy-First: Many of our tools run entirely in your browser, ensuring your data never leaves your machine.
- Mobile Friendly: Use our tools on the go from any device.
- Professional Grade: Built with precision for the modern IT landscape.