22k (vs 27k) and 47n (vs 10n) parts in the input low-pass filter 100n (vs 10u) bypass capacitor between pin 7 and gnd Used the inverting input instead of the non-inverting one (although in this ...
VOCROID is a voice-controlled robot powered by Arduino Uno and the Adafruit Motor Shield. It uses the HC-05 Bluetooth module and an Android device (AMR Voice app) to receive voice commands and control ...