LapSnapper lap time measurement system can be used on all Android devices such as Android smart phones, tablets, mini computers and TV boxes, which has Android version 4.0 or newer and USB 2.0 or USB OTG support.

LapSnapper has an advanced support for the system recovery for example after the system totally crashes or decoder has been detached and after that attached again. LapSnapper is also able to recover running session. The system recovery uses RTC functionality of Android device. That is reason why it is recommended that Android device should have an internal accumulator or at least RTC functionality with build-in battery (RTC = Real Time Clock). Internal accumulator of Android device acts as uninterruptible power source (= UPS) for the system.

Please find below short info about use cases of LapSnapper and recommended features of Android devices used in use cases:

1. FEW HOURS TRAINING OR RACE WITHOUT ANY SPECIAL REQUIREMENTS

In this use case LapSnapper Lap Timing System hosts the practicing and racing and no any extra accessories are needed.

It is recommended to use normal Android tablet or phone. Tablet or phone does not have any other special requirements than Android version has to be 4.0 or newer and Android device has to support USB 2.0 or USB OTG. Although the minimum supported Android version is 4.0, it is recommended to use Android version 4.4 or newer.

It is also recommended that Android device should have support for the WiFi, when LapSnapper Client Softwares are used and support for the external speakers, when race commentary are used.

2. SUPPORT FOR THE TRAINING AND RACING ALL THE TIME AVAILABLE

In this use case LapSnapper Lap Timing System hosts the practicing and racing, service has to be available all the time and some extra accessories are needed.

It is recommended to use a Android tablet. Tablet has to have Android version 4.0 or newer and Android device has to support USB 2.0 or USB OTG. Although the minimum supported Android version is 4.0, it is recommended to use Android version 4.4 or newer. Additionally it is recommended that tablet has to support charging the device and using the USB data at the same time. This for making sure that the device has enough electricity to offer service all the time.

It is also recommended that Android device should have support for the WiFi, when LapSnapper Client Softwares or wireless printer are used, support for the external speakers, when race commentary are used and support for the HDMI, when external display are used (TV, etc.).

3. SUPPORT FOR THE TRAINING AND RACING ALL THE TIME AVAILABLE. SESSIONS ARE RUN BY USING LAPSNAPPER CLIENT SOFTWARE OR THIRD PARTY RACE MANAGEMENT SOFTWARE

In this use case LapSnapper Lap Timing System acts as a LapSnapper Server, which shares the measured lap times via the WiFi service or lan cable to the LapSnapper Client Software or third party race management software.

It is recommended to use a Android tablet, mini computer or TV box. Android device has to have Android version 4.0 or newer and Android device has to support USB 2.0 or USB OTG. Although the minimum supported Android version is 4.0, it is recommended to use Android version 4.4 or newer. Additionally it is recommended that Android device has to have separated power supply and USB connector. This for making sure that the device has enough electricity to offer service all the time. Android minicomputer or TV box may have also own display for making setup of the system easier.

When Android minicomputer or TV box is used the special attention has to put that Android device has an internal accumulator or at least RTC functionality with build-in battery (RTC = Real Time Clock). Internal accumulator of Android device acts as uninterruptible power source (= UPS) for the system.

It is also recommended that Android device should have support for the WiFi service or lan cable. LapSnapper Client Software or third party race management software to be connected to LapSnapper Lap Timing System (= LapSnapper server) by using the WiFi service or lan cable.

4. LAPSNAPPER CLIENT SOFTWARE

In this use case LapSnapper Lap Timing System hosts the practicing and racing and LapSnapper Client Software is used to receive measured lap times to the users own Android device.

It is recommended to use normal Android tablet or phone. Tablet or phone does not have any other special requirements than Android version has to be 4.0 or newer and the device has to have WiFi service or lan connection. Although the minimum supported Android version is 4.0, it is recommended to use Android version 4.4 or newer.

It is also recommended that Android device should have support for the external speakers or headset, when race commentary are used.