Joystick — Blynk
#define BLYNK_PRINT Serial #include <ESP8266WiFi.h> #include <BlynkSimpleEsp8266.h>
Tip: You can invert the Y-axis in the widget settings if you prefer "Up" to be 0.
Before using the joystick, you must have the Blynk app set up as explained in the Blynk Onboarding video . Create a free account at Blynk.io. blynk joystick
#define BLYNK_TEMPLATE_ID "YourTemplateID" #define BLYNK_DEVICE_NAME "YourDeviceName" #define BLYNK_AUTH_TOKEN "YourAuthToken"
The Joystick widget allows for 2-axis control (X and Y), making it ideal for robotic cars or servo-driven gimbals. Datastreams : You must assign the joystick to a Virtual Pin (e.g., V1). In the Blynk Documentation #define BLYNK_PRINT Serial #include <ESP8266WiFi
: An external battery pack suitable for your motors. Software Prerequisites Blynk App : Installed on an iOS or Android device. Arduino IDE : Configured with the latest Blynk Library. Step-by-Step Configuration in Blynk IoT
BLYNK_WRITE(V1) int x = param.asInt(); int y = param.asInt(); // Use the x and y values to control your robot or IoT device analogWrite(joystickX, x); analogWrite(joystickY, y); Software Prerequisites Blynk App : Installed on an
Before diving into the code, ensure you have completed the following steps:
Turn on to have the joystick snap back to the center automatically.