Blynk Joystick — ((hot))

Download the Blynk IoT app, wire up an ESP8266, and copy the code above. In less than 10 minutes, you will turn your old smartphone into a professional RC transmitter. Happy tinkering!

Blynk.run();

When you drag your finger across the joystick on your phone, the app calculates the current position. It sends two data streams (Virtual Pins) to the Blynk cloud. The cloud instantly pushes those values down to your hardware via the internet. Because the latency is usually below 100ms, the response feels almost telepathic. blynk joystick