It relies on the Theengs Decoder library and publishes the sensors broadcasted BLE information to an MQTT broker. The OpenMQTTGateway is also BLE to MQTT bridge, but instead of targetting ...

Simple android application for interaction with BLE devices. Work with Bluetooth in android implements with callbacks by default. To facilitate work with callbacks I used kotlin coroutines in this app ...

Android App to Connect to Your ESP32 BLE Weight Scale Introduction: In an earlier article, we built a smart Weight Scale using ESP32 microcontroller, a load cell sensor and Bluetooth Low Energy (BLE) ...

Arduino Code for ESP32 BLE Proximity Sensor. For the demonstration, we will program our ESP32 controller to sense a known BLE beacon and we will light up the onboard LED once the known device is close ...

ESP32 has inbuilt BLE capabilities but for other microcontrollers like Arduino, nRF24L01 can be used. ... /* Sending Sensor Data to Nordic BLE android app by CircuitDigest works with nRF24L01. and the ...

This paper presents a Bluetooth Low Energy (BLE) network sensors. The sensor nodes of the network are based on a CC2541 microcontroller and play the role of the server. The network also contains a ...

ESP32-C3-0.42LCD connected to a Qwiic module with SCD41 environmental sensor. It’s not the first time we write about 01Space boards as we previously covered their ESP32 boards with 25 RGB LEDs also ...