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...
Hello!
I want to add the battery services in my nRF51822 project for getting the message of battery. Is there need battery-powered?
But,I am sorry to see that the led which...
hi everybody,
I'm working in a project, I need to establish a connection between a beacon & the mobile phone, I want to prevent any other masters of connection to my beacon...
I am having an issue with running the initial blinky example that came with the nRF51 PCA10028 SDK in the Eclipse IDE . I will include screenshots of the issue. I believe...
Hi new to Bluetooth, but familiar with Radios and embedded devices
I have 2 devices that only connect to each other.
in the interest of extreme battery conservation I...
I am using a BLE UART friend module and I am trying to set the GAPIntervals parameters. I realised that when I set my max conn interval parameter above 2000ms, the device...
I am planning to use the nRF51822 and the s130 soft device to manage data coming back bluetooth sensor nodes. It is likely that there will be more than 8 peripherals, although...
The SoftwareSerial library allows GPIO pins to be used as TTL serial pins by bit banging.
The nRF5 suffers from the same problem that the Arduinos have. 1 UART.
Does...
Hello guys
I tried to start TWI bus and got a lot of questions. (NRF51 1422 AC)
I added necessary libraries, could You tell me what more i need to include in my code ...
Hi , We are using NRF52832 for our product .I have a small doubt in using GPIO . Can we use PORT and PIN events simultaneously at a time .
I need to configure some pins...
Hi,
I have three beacons in my setup:
One listening (R1) and two transmitting (T2, T3). T2 and T3 transmit packets with same length.
Say, T2 has started transmission...
Hello,
My system is one device with multiple host, these host will connected to the device on irregular basis.
The host action are listed below:
scan->connect->write data...
hi, i'm going to do some project with nrf51822 and SDK 6.0.0.
i just made up ble connection between phone and the chip.
and i want to send data some fixed time periods...
Hello,
I think there's a bug in the app_uart library in SDK 10 that occurs when the FIFO is enabled.
Using SDK nRF51_SDK_10.0.0_dc26b5e, I was trying to write data to...
I'd like to control a DC motor using PWM (PWM0, pretty straight forward).
To determine motor speed I disable the PWM every 5ms (TIMER1, pretty straight forward) and measure...
