A collection of deterministic, offline-capable utilities for embedded systems engineers. All calculations performed locally.
Featured Tools
PWM Calculator
Visualize Timer ARR/CCR values with real-time waveform rendering.
ADC Resolution
Visualize step size, quantization error, and voltage mapping.
Buffer Optimizer
Calculate memory requirements for circular buffers and structs.
Memory & Strings
String Length
ASCII vs UTF-8 byte counting for UART/SPI buffers.
Buffer Size
Compute total buffer size in bytes and KB.
Struct Alignment
visualize padding bytes and memory alignment efficiency.
Flash / RAM Usage
Memory utilization bars and linker script planning.
Flash Mapper
Visual partition planner & linker script helper.
Text Comparator
Deterministic diff tool for logs and byte payloads.
Bits & Numbers
Register Inspector
64-bit Programmer Calc with Bit Viz.
Base Converter
Dec/Hex/Bin conversion for 32-bit registers.
Signed / Unsigned
Two's complement interpretation of hex values.
Endianness Viz
Big-Endian vs Little-Endian memory layout.
Bit Mask Gen
Generate masks and C macros for register fields.
Register Logic
Simulate Read-Modify-Write operations.
Electrical & Analog
Voltage Divider
Calculate resistors for signal scaling.
Pull-Up / Down
Sizing resistors for I2C/GPIO lines.
LED Current
Calculate limiting resistors for status LEDs.
ADC Calculator
LSB voltage and count conversion.
Power Planner
Battery life & duty-cycle energy model.
Protocol Payload
CRC Calculator
CRC-8/16/32 for comms integrity check.
JSON Minimizer
Optimize JSON payloads for IoT bandwidth.
MQTT Size
Estimate packet overhead for telemetry.
Binary Builder
Construct custom binary protocol packets.
UUID Generator
Generate RFC-compliant v4/v7 UUIDs.
Encodings
Base64 / Hex / ASCII conversion.
Baud & Error
Verify UART timing reliability.
Timing & RTOS
Timer Calculations
Prescaler & Period values for interrupts.
PWM Calculator
Frequency and Duty Cycle setup.
Clock Tree
PLL & Prescaler Configurator.
RTOS Ticks
Convert milliseconds to OS ticks.
Epoch Tool
Unix time converter & RTC debugger.
Watchdog
Calculate WDT timeout windows.
Control & Motion
Hardware & Components
Graphics & Display
Image to C Array
Convert bitmaps to C arrays for OLED/TFT/ePaper.
Font to C Array
Convert TTF/OTF fonts to bitmaps for embedded struct.
Segment Pattern Generator
Interactive 7/14/16-segment display bitmask builder.