4 ms·
An even more sinister approach would be to use an infrared meter a couple of seconds after someone just touched the keypad.
by Kafka 17y ago
An even more sinister approach would be to use an infrared meter a couple of seconds after someone just touched the keypad.
- tesseract 17y agoI wonder whether any of the FLIR imagers that are currently commercially available and reasonably portable are sensitive enough to make this work. Any links?