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blinqr

A customizable reminder system with physical buttons and LED indicators, powered by ESP32 and controlled via Bluetooth.

blinqr is an open-source reminder device that helps you stay on top of daily tasks. It features 5 programmable reminder slots, each with its own LED and physical button for acknowledgment.

5 Reminder Slots

Configure up to 5 independent reminders with custom names, icons, and schedules.

Physical Feedback

LEDs light up when reminders fire. Press the corresponding button to acknowledge.

BLE Connected

Connects to a companion mobile app via Bluetooth Low Energy for easy configuration.

Open Source

Firmware is fully open source. Build your own, modify it, or contribute improvements.

Hardware Requirements

See what components you need to build your own blinqr device. View Requirements →

Build the Firmware

Step-by-step guide to compile and flash the firmware. Build Guide →

BLE Protocol

Technical specification for the Bluetooth communication protocol. View Protocol →