Table 4.
A summary of instrumented lighters employed to detect cigarette lighting events.
| Type | Versions | Type | Lighting Mechanism | Features/Limitation | Microcontroller | Interface | Battery | Validation Study |
|---|---|---|---|---|---|---|---|---|
| Ubi-Lighter [60] |
V1 | Electric Coil | Slide Down Switch | Often hard to light up | Atmega32U2 | Universal Serial Bus (USB) | 200 mAh | 3 subjects (11.36 ± 8.15 days), Free-living |
| V2 | Gas Lighter | Push Switch | One-time usage device | Atmega32U2 | USB | 30 mAh | 8 subjects (11.36 ± 8.15 days), Free-living |
|
| V3 | Piezo-Ignition based | Push Switch | Contact-less data transmission via Bluetooth Low Energy (BLE) | Atmega32U2 | USB, BLE | 48 mAh | - | |
| PACT [61] |
Gas Lighter | Push Switch | Hall sensor based | MSP430G2452 | USB | 210 mAh | 40 subjects (24 h each), Free-living |