add types of sensors

privacyguides · Dec 1, 2024 · 68ed697 · 68ed697
1 parent a8f5b29
commit 68ed697
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/blog/posts/biometrics-explained.md b/blog/posts/biometrics-explained.md
@@ -20,4 +20,8 @@ One of the most recognizable types of biometric authentication has to be the fin
 
 1. It's theorized that the reason humans have fingerprints in the first place is to [enhance our sense of touch](https://www.science.org/doi/10.1126/science.1166467).
 
+There four main ways we accomplish this: optical sensors, capacitive sensors, ultrasonic sensors, and thermal sensors.
+
+### Optical Fingerprint Sensors
+