Hello i have read that the BLE Devices only send Data within an time intervall and the Bluetooth classic continuous which makes the BLE LOW Energy. So i am not sure if BLE in my project rly works, because i have an esp32 as peripheral device and my Smartphone(Central) App to receive Sensordata over ...

Hey now with this code: std::string rxValue = pCharacteristic->getValue(); if (rxValue.length() > 0) { int light = map(rxValue.length(),10,49,0,255); Serial.println(rxValue.length()); dacWrite(LED,light); i only get 4 4 4 .... what do i have to write instead of length ? btw: I think I recieve string...

Hey I have an app which can read sensor values from the esp32 over BLE and i can also write to the seriell monitor. Now i wanted to make an Slider to controll the brightness of a LED. I found an nice example but it didnt work for me because he uses a arduino101 and has the analogWrite command which ...

Hey

i manged to make an app which can connect to my esp32 (BLE_Uart with some changes) for RX TX communication.
How can I use the Raspberry Pi 3(image Stretch) as Central/Client?
thanks

Hey

is it possible to make an Eddystone Beacon with the ESP32 which also transmits the Sensor Data from an connected DHT22?

thank you

Hello first of all sry for my bad english and I hope you will understand what im here for. I think its more an question about bluetooth than esp32.. sry^^ in the IDE there are some examples such as BLE_Server and BLE_UART I do not rly understand what the diffrence is ?.. because i want to make an ap...