FocalTech Automation

Turn a FocalTech 2808:c652 USB fingerprint sensor into a multi-tap smart home controller via MQTT.

Features

• Multi-tap detection (1-5 taps)
• MQTT integration

Hardware

• FocalTech 2808:c652 USB fingerprint sensor

Dependencies

Debian:

sudo apt install libusb-1.0-0-dev libmosquitto-dev libcurl4-openssl-dev

Arch Linux:

sudo pacman -S libusb mosquitto curl

Fedora:

sudo dnf install libusb1-devel mosquitto-devel libcurl-devel

Quick Start

1. Clone

git clone https://github.com/YOUR_USER/focaltech-automation.git
cd focaltech-automation

2. Configure

cd src
nano .env

Edit these lines:

CAPTURE_INTERVAL=50000
BASELINE_SAMPLES=10
FINGER_THRESHOLD=15.0
MULTI_TAP_TIMEOUT=0.5
SMOOTHING_FRAMES=1

MQTT_HOST=localhost
MQTT_PORT=1883
MQTT_USERNAME=your_mqtt_username
MQTT_PASSWORD=your_mqtt_password
MQTT_TOPIC=fingerprint/action
MQTT_KEEPALIVE=60
MQTT_RECONNECT_DELAY=5

3. Build

cd ..
make

4. Run

sudo ./fingerprint

5. Setup autostart

sudo ./setup.sh