RRD Race Day Countdown v1.0

Countdown timer extension for Hammerhead Karoo K2/K3. Set your race start time and let the Karoo handle the rest.

Features

• Countdown data field with big bold numbers
• Color-coded: white → yellow (5 min) → red (1 min)
• Beep + flash alerts at 10, 5, and 1 minute
• “RACE ON!” flash at zero
• Auto-starts ride recording at zero
• Switches to live clock after race starts
• Survives power cycles
• Auto-clears race time after use

Install

Download app-debug.apk below and sideload to your Karoo:

Built With

• karoo-ext 1.1.8
• Kotlin 2.0.21
• AGP 9.0.1