Serial chat between arduino nano and mobile phone using CC2541BLE bluetooth board. ... I think it would probably the best to power the arduino and the bluetooth module both with stablized 3.3 volt ...

HC‐05 module is a Bluetooth Serial Port Protocol module, specially designed for wireless communication between microcontrollers. HC-05 Bluetooth module provides switching mode between master and slave ...

The goal is to give twitch chat the ability to control an Arduino Motor by converting user command to movements through a Bluetooth connection. - GitHub - AbuCodes/TwitchChatArduinoBot: ...

If you do not want to use the BLE function you can still use the nRF24L01 to send data wirelessly with arduino. How Bluetooth Low Energy ... We already used nRF24L01 module with Arduino to create a ...

Figure 2. The RS232 or DB9 serial cable, no stranger to manufacturers using the Modbus protocol to communicate between PLCs. (Source: cooking hacks) TTL – RS232 Signals. An Arduino is not able to ...

LILYGO T-Connect Pro is a DIN rail-mountable, ESP32-S3-based industrial IoT controller with Ethernet, WiFi 4, Bluetooth 5.0 LE, and LoRa connectivity, as well as CAN Bus, RS232, and RS485 interfaces.

The build uses an Arduino and a Bluetooth Board that searches for the phone. It's not exactly an easy project, but you can find the full guide over on The Mercuino Project. sprite-chat-bubble ...