Arduino-Powered

Your Desk,
Smarter.

A standalone productivity companion. No apps. No WiFi. Just focus, wellness, and environmental awareness—on your desk.

== MENU ==
Temperature
Pomodoro
Sonar
Breathing
Settings
↑↓ Navigate Enter Select Esc Back

Everything
you need.

Five integrated tools in one compact device.

🍅

Pomodoro Timer

Classic 25/5/15 work-break cycles. Session tracking. Pause and resume anytime. Audio alerts keep you on track.

25 min focus
4 sessions/long break
🌡️

Environment

Real-time temperature and humidity. Know your workspace comfort at a glance.

📏

Distance Sensor

Ultrasonic proximity up to 4m. Visual bar graph for intuitive readings.

🧘

Breathing

Three guided patterns—Calm, Focus, Sleep. Audio cues for each phase.

😺

Idle Mode

Animated cat screensaver. Prevents OLED burn-in. Adds personality.

Clean
architecture.

State machine design. One active app. Zero complexity.

IDLE Screensaver
MENU Navigation Hub
TEMP
POMO
SONAR
BREATH
loop pattern
void loop() {
    readInputs();        // Process buttons
    handleIdle();        // Check timeout
    updateCurrentApp();  // Run logic
    drawCurrentApp();    // Render buffer
    display.display();   // Single update
}

Simple
hardware.

Six components. One afternoon build.

Arduino Uno/Nano Microcontroller
SSD1306 OLED 128×64 Display
DHT11 Sensor Temp + Humidity
HC-SR04 Ultrasonic Range
3× Buttons Navigation
Passive Buzzer Audio Feedback
Pin Configuration
D2 BTN_UP
D3 BTN_DOWN
D4 BTN_SELECT
D5 BUZZER
D6 DHT11
D7 SONAR_TRIG
D8 SONAR_ECHO
A4 SDA
A5 SCL

Why standalone?

🔒

Privacy

No data leaves your desk. Ever.

Instant-On

No boot time. No app loading. Just works.

🎯

Focus

No notifications. No distractions.

Ready to build?

Full source code, wiring diagrams, and documentation. Open source.

View on GitHub →