The project is a fast lock in amplifier (LIA) which can update its output at rate of 1000 measurements/s. It performs digital dual mixing and filtering to obtain a DC value proportional to the AC input signal.

Dependencies:   N5110 mbed

Revision:
4:2264789de7b2
Parent:
3:dd4eb355f8d9
--- a/main.cpp	Wed Aug 30 15:09:56 2017 +0000
+++ b/main.cpp	Fri Sep 22 09:18:46 2017 +0000
@@ -13,7 +13,6 @@
     while (ref_freq < 1e2) {
         sleep();
     }
-    
     double freq_check = ref_freq*0.001;
     double out_speed = 2*var_speed;