diff --git a/README.md b/README.md
index 2f3e24fa282113543da18caed90f2e187b743027..545d6429723615e00fa49d34306f55cf218aec9b 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ This library (should) cover all the electronics components found in the official
 - [ ] Stepper motor drivers
 - [ ] Regulators
 - [ ] Charge controllers
-- [ ] Amplifiers
+- [x] Amplifiers
 - [ ] LEDs
 - [ ] Photodetectors
 - [x] Speakers and mics
@@ -33,7 +33,7 @@ This library (should) cover all the electronics components found in the official
 - [ ] Hall-Effect sensors
 - [ ] Accelerometer
 - [ ] Pressure sensors
-- [ ] Op-Amp
+- [x] Op-Amp
 - [ ] Microcontrollers
 - [ ] Prog logic chips
 - [ ] Radios