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R1BBIT · EMBEDDED LANGUAGE

R1BBIT Script

A compact, BASIC-style language purpose-built for IoT. Control hardware, draw graphics, read sensors, and build interactive UI — in a few lines of code.

Full Documentation Quick Start

Why R1BBIT Script

Built around a single idea: make embedded programming feel effortless.

⚡
Instant to learn
BASIC-inspired syntax. If you've ever written a few lines of code, you're already productive.
🔌
Hardware-first
Built-in commands for ADC, PWM, DAC, I2C, RTC, WS2812 — no libraries, no boilerplate.
🎨
Graphics engine
Native support for ST7735, ILI9341, ILI9488, ST7796, ST7789, SSD1306 with shapes, text, bitmaps and sprites.
📡
Sensor ready
DHT, BMP280, SHT21, CCS811, VL53L0X, HX711, DS18B20, MAX30102 — all one-liners.
🎛️
Interactive widgets
Buttons, sliders, gauges, graphs and progress bars with real-time variable binding and touch.
☁️
Cloud by default
Push variables to R1BBIT Cloud over Wi-Fi with a single call. Dashboards from your phone, anywhere.
🧠
Signal processing
128-bin FFT at 16 kHz with asymmetric EMA smoothing — responsive spectrum visualizations out of the box.
🧩
2D arrays & matrices
32 KB memory pool, range-based init, linear addressing, copy operations — real data structures, not toys.

See it in action

A few snippets that show the language's character.

VAR A, B, C               // variable declaration
A = 10                    // assignment
B = A * 2 + 5             // arithmetic: + - * / %

IF A > 5 THEN             // conditions: = == <> < > <= >= AND OR
    C = 1
ELSE
    C = 0
ENDIF

FOR I = 0 TO 9 STEP 1     // FOR / NEXT loop
    PRINT I
NEXT

WHILE A < 100             // WHILE / WEND loop
    A = A + 1
WEND

PAUSE 1000                // delay in milliseconds
PRINT A.h                 // formatted output (.h hex, .b binary, .Nz zero-pad)
DISPLAY_INIT ILI9341, SPI, ROT_0

VAR COLOR
COLOR = RGB565(255, 140, 0)          // orange

DISPLAY_CLEAR RGB565(0, 0, 0)
DISPLAY_RECT_FILL 10, 10, 220, 60, COLOR
DISPLAY_TEXT 20, 25, "HELLO R1BBIT", 2, COLOR
DISPLAY_CIRCLE 120, 160, 40, RGB565(0, 200, 255)

VAR POLY[6] = {50,200, 120,260, 190,200, 50,200}
DISPLAY_POLYGON POLY, RGB565(100, 255, 100)
VAR TEMP, HUM

BMP280_INIT
DHT_INIT PIN_5

WHILE 1
    DHT_READ TEMP, HUM               // temperature + humidity
    PRINT "T=", TEMP, "  H=", HUM

    VARS_SEND(TEMP, HUM)             // push to R1BBIT Cloud over Wi-Fi
    PAUSE 5000
WEND
VAR VOLUME = 50

SLIDER_INIT 20, 100, 200, 30, 0, 100, VOLUME
GAUGE_INIT 160, 200, 60, 0, 100, VOLUME, "VOLUME"
BUTTON_INIT 20, 260, 100, 40, "MUTE", TOGGLE, ON_MUTE

WHILE 1
    PAUSE 20                         // widgets update automatically
WEND

ON_MUTE:
    VOLUME = 0
RETURN

Under the hood

Everything that ships with the interpreter.

Data Types
Scalars, 1D arrays, 2D matrices — shared 32 KB pool
Number Bases
Decimal, hex (0x…), binary (0b…) — with output format specifiers
Control Flow
IF/ELSE IF/ENDIF, FOR/NEXT (STEP), WHILE/WEND — up to 5 levels deep
Math
ABS, SIN, COS, TAN, ROUND, FLOOR, CEIL, RND, AND/OR/XOR/NOT
Displays
ST7735, ILI9341, ILI9488, ST7796, ST7789, SSD1306 (SPI / I2C)
Graphics
Pixel, line, polyline, rect, circle, polygon (3–30 pts), bitmap, text (1–8×)
Color
RGB565, RGB666, RGB888 with helper conversions
Sensors
DHT, BMP280, SI7021, SHT21, AHT21, CCS811, VL53L0X, APDS9930, HX711, DS18B20, MAX30102
Signal Processing
128-bin FFT @ 16 kHz with EMA smoothing (asymmetric attack/decay)
Peripherals
ADC ×6, PWM (timer+channel), DAC (MCP4725), I2C scan, RTC, WS2812
Widgets
BUTTON, STEPPER, PROGRESS, GAUGE, SLIDER, GRAPH — with touch binding
Touch
FT6336U capacitive with coordinate + state tracking
Cloud
Push/pull variables to R1BBIT Cloud over Wi-Fi — single command
Event Model
GOSUB/RETURN handlers bound to widgets — no callbacks, no state machines

Ready to write your first script?

The full command reference lives in one page — bookmark it and start building.

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