Hi guys,
In the iot sdk in mqtt.h there are typdefs for "mqtt_topic_t " and "mqtt_subscription_list_t".
I'm trying to set several topics (5) and subscribe to them.
...
Hi,
I am using nrf5832 that is running a coap server example.
I have modified it a little so it reads sensor data via i2c and returns the data using the coap callback.
...
Hi,
I would like to receive some suggestion about finding a CHEAP smartwatch / wristband already available that has these minimal features: BLE (with SDK / GATT profiles...
Compiled with Keil4 software compilation and C of the mixed program, the error is:Branch offset 0x00000228 out of range of 16-bit Thumb branch, but offset encodable in 32...
Hi,
I am currently working on a prototype with Silicon Labs Thunderboard sense. I am looking for a replacement product that has NRF BLE module. All I need is a BLE module...
I would like to hide BLE advertising from normal BLE devices.
And only be able to see such advertising with dedicated scanner.
I was thinking of changing access address...
Im making a project were i have two robots each one with a device connected with a mobile phone. But at same time i want that, when they are near each other they exchange...
Hi there,
We are developing bluetooth bracelet using 51xx and 52xx Bluetooth chip and the hard hardware part has been done.However, for safety considerations,we need to disable...
I have download latest S130 SDK. And I try to send ADV in 100ms. Now it takes >= 250 ms. I use the scope and find SOFTDEVICE_HANDLER_INIT takes 248ms on PCA10028 board.
...
In this Nordic page, BLE 5 has a new feature of advertising extensions: www.nordicsemi.com/.../Bluetooth-5 . Is there any example or document how to program this chaining...
hello,I am testing twi scanner example of nrf52dk.I want to read slave address, the sda & scl pins are 26 & 27 respectively. I am connected PCA9536 module as slave & address...
I have developed the code to send the data of mpu6050 from ble peripheral to ble central. i can able to receive the accelerometer values at ble central.It works fine.
Now...
Hi,
I use the NRF-toolbox app's UART feature for connecting to nordic devices.
Android version is 4.4.4 and the device used is a Samsung device.
Everything was working...
modify ble_app_uart example。
I change the #define to another value:
But whether lightblue or nRF connect,It only change the advertisement's UUID.The Characteristic is...
hi,
im trying to implement a one shot timer and followed the tutorial here:
devzone.nordicsemi.com/.../
note that i adapted the code for a custom project (and a custom...
According to nRF52832 Product Specification v1.3, tPOR is written as follows.
Is the VDD rise time range from 0 V to 1.7 V or from 0 V to 3 V?
Please tell me the range...
Hello,
I'm trying to change advertisement packets, I found this link text
it says:
p_data Raw data to be placed in advertising packet. If NULL, no changes are made...
Hi, I'm trying to change ad packets in the blinky example. I want to be able to keep blinking but change the ad packs (don't know if this make sense, but main goal is to change...
I have created a build system that will install openmesh on simblee chips, and it appears to be mostly working. However, range is very poor, like max 2ft. I have tried adjusting...