Esp8266 Bluetooth Keyboard __top__ -

void loop() if (digitalRead(D1) == LOW) WiFiClient client; if (client.connect(host, 5000)) client.println("POST /type HTTP/1.1"); client.println("Content-Type: application/x-www-form-urlencoded"); client.println("Content-Length: 7"); client.println(); client.println("key=a");

It works, but latency is high (~50-100ms), and you need a driver on the host computer to translate serial data to HID (Human Interface Device). Not a true keyboard. esp8266 bluetooth keyboard

: Standard modules like the HC-05 typically use serial communication and do not support the HID profile required for a device to recognize it as a keyboard. You would need a specific HID-capable Bluetooth module (like the RN-42) or custom firmware for an HC-05 to make this work. Arduino Forum Summary Comparison void loop() if (digitalRead(D1) == LOW) WiFiClient client;