Ultrahang szenzor

Ultrahang szenzor Leírás hamarosan. Kapcsolási rajz hamarosan. Arduino program: // beállítások const int trigPin = 12; // 10 us jel jut erről a lábra const int echoPin = 13; // ide érkezik vissza a válaszjel const int LED1 = A0; const int LED2 = A1; const int LED3 = A2;… Continue reading


MT8870 DTMF Decoder Module The MT8870 based DTMF (Dual Tone Multi-Frequency) decoder module is commonly used to control robots with a mobile phone, it is also used in different kinds of home automation projects where mobile dial pad input is required. This module works as a tone decoder that uses… Continue reading

PT2258 control

PT2258 control Digital Audio Volume Control Circuit – PT2258 adatlap Arduino program: #include <PT2258.h>  #include <ezButton.h> #include <Wire.h>  PT2258 pt2258; // PT2258 Object ezButton button_1(2); //Button_1 Object ezButton button_2(4); //Button_2 Object int volume = 40; // Default volume / Starting Volume void setup() { Serial.begin(9600); //UART begin Wire.setClock(100000); // setting… Continue reading