Update README.md

4 years ago · af6326ebab
parent 65f971325a
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@ -120,7 +120,7 @@ It's completely supported and Pi-KVM works great with it. But it has some disadv
 * For keyboard & mouse emulator (HID):
  - Arduino Pro Micro (based on an ATMega32u4).
  - [Logic level shifter](https://www.sparkfun.com/products/12009).
-  - NPN transistor (almost any NPN transistor: 2n2222 or similar).
+  - 1x NPN transistor (almost any NPN transistor: 2n2222 or similar).
  - 1x 390 Ohm resistor.
  - A breadboard and wires.
 * 2x USB A-to-micro cables (male-male, for power and HID).