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 ...

[Stefan]’s Mini WiFi/BLE 4WD robot platform (seen next to a matchbox above) packs an impressive capability into a tiny rover. It’s based on a SparkFun ESP32 Thing, a very compact way to add ...

HealthyPi 5 is an open-source sensor platform for biosignal acquisition based on Raspberry Pi RP2040 microcontroller and ESP32-C3 WiFi & BLE module used to capture vitals such as electrocardiogram ...

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 ...