Timbrica Online Tools — Page 4

Accessibility Tools

Color Reader
Free color reader tool for blind and visually impaired users. Point your camera at any object to hear the color name spoken aloud.
Time Blindness Helper
Free visual time awareness tool for ADHD time blindness. See elapsed time, remaining time, and countdowns with color-coded visual representation.
Communication Board
Free AAC communication board for nonverbal communication. Tap symbols to speak.
Color Accessibility Checker
Free color accessibility checker: test WCAG contrast ratio, simulate color blindness (protanopia, deuteranopia, tritanopia), and find accessible...
Sign Language Dictionary
Search and learn sign language visually. Animated fingerspelling alphabet and common signs for ASL and other sign languages. Free.
Image to Sound
Convert images to sound online free. Sonification transforms pixel brightness into pitch and color into timbre. Upload any image and hear it as audio.
Fingerspelling Practice
Practice fingerspelling in 8 sign languages: ASL, BSL, RSL, DGS, LSF, ArSL, KSL, BISINDO. Interactive quizzes, speed rounds, spaced repetition.
Voice Navigator
Free voice-controlled browser navigation for people with motor disabilities. Scroll, click, and navigate using voice commands.
Sound Alert
Monitor loud sounds remotely. Get email alerts, record audio clips, view from another device. For deaf, baby monitoring, security. Free.
Live Captions
Free live captions in your browser. See speech as text in real time — perfect for deaf and hard-of-hearing users. Large font, fullscreen, no sign-up.
Visual Schedule
Free visual schedule and daily routine planner for autism and ADHD. Add tasks with icons, set timers, and track transitions.
Dyslexia Reader
Free dyslexia-friendly reading tool with OpenDyslexic font, bionic reading, colored overlays, reading ruler, and text-to-speech with word...
Reading Ruler
Free reading ruler and color overlay tool for dyslexia and visual stress.
Audio Compass
Navigate by sound with a 3D spatial audio compass. Volume control, pitch adjustment, haptic feedback, target bearing.
Speech Pacer
Free speech pacer tool for stuttering and speech fluency. Visual metronome to slow your speaking pace, breathing coordination, and recording playback.

Electronics Calculators & Tools

Resistor Color Code Calculator
Decode resistor color bands to value or find colors by resistance. Supports 4/5/6 bands, tolerance, E-series. Interactive SVG. Free.
Circuit Simulator
Build and simulate electronic circuits in your browser. Drag-and-drop components, animated current flow, voltage/current readouts. Free.
SMD Code Decoder
Decode SMD resistor and capacitor marking codes. Supports 3-digit, 4-digit, and EIA-96 systems. Reverse lookup by value. Free.
Capacitor Code Decoder
Decode 3-digit capacitor codes to pF/nF/µF values and back. Supports voltage ratings, tolerance codes, ceramic/film/electrolytic. Free.
555 Timer Calculator
Calculate 555 timer frequency, duty cycle, and component values. Astable & monostable modes, waveform preview, reverse calculation. Free.
Voltage Divider Calculator
Calculate voltage divider output with R1/R2, load effects, E24 matching, tolerance range, power dissipation. Interactive schematic. Free.
Wire Gauge Calculator (AWG)
Calculate wire gauge by current and distance. AWG/mm² converter, voltage drop, ampacity tables, copper/aluminum. Free.
PCB Trace Width Calculator
Calculate PCB trace width by current using IPC-2221. Internal/external layers, voltage drop, resistance, copper weight presets. Free.
LED Resistor Calculator
Calculate the resistor needed for any LED. Supply voltage, LED color presets, series/parallel arrays, power warnings, E24 matching. Free.
Ohms Law Calculator
Calculate voltage, current, resistance, and power with interactive Ohm's Law wheel. Visual circuit diagram, unit auto-conversion, presets. Free.