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...
[Bug Report] Possible bug in nRF52832 engineering release B.
When LF XTAL oscillator is started, no event is generated.
NRF_CLOCK->LFCLKSRC = CLOCK_LFCLKSRC_SRC_Xtal;...
I've created a custom service for a demonstration. I can view the see the device in Master Control Panel and view notifications and write to a characteristic that is writeable...
Hello,
I have a question about RAM usage. If i use chip with 16kB RAM, and if i use s130 (which uses 10kB RAM) and bootloader (which uses 4kB of ram) i only get left with...
hi, i am getting start nrf 51822 BEL with ble_app_uart
as a first step, i just compile the one of the BLE example 'ble_app_urat" which is located in 'C:\Keil_v5\ARM\Device...
I have a project that uses the nRF51822_xxAA chip with a pull-up button connected to pin 9. Using a meter, I have verified that the pin drops low (0 V) when the button is...
Hi,
I'm reading temperature and humidity from 2 sensors in my system
At some point in time during a quick and dirt check the system has been proven working fine and...
HI:
everyone!
How to make the matching and binding equipment information would be stored permanently, even after the OTA upgrade is still in;I made with examples of the...
Greetings, I tried to modify the parameter "len" to anything over 1 (byte), but it just doesn't work.
As long as it's over 1 byte, the API crashes my program. err_code shown...
Hi,
I'm using s130 as softdevice for nrf51822. I program the softdevice with the official s130 hex file. According to the hex file, there is no data at address from 0x7c0...
We're working on an application that needs ultra-short range BLE, on the order of 50cm radius or less. I've found little discussion anywhere on that topic, likely because...
I notice that the dongle has a 3.6V-5.5V input and a pin that sais 3.3V, I measured 3.3V on this pin so I was curious if I could run an IMU unit and an i2c/spi bridge requiring...
Hii all
I am trying to port the experimental/bootloader_signing project to gcc I made changes in the project accordingly, so now its working. I can able to flash application...
I connect a GPS module to nRF52 DK and connect nRF52 DK to my computer once more.
GPS module ---> nRF52 DK ---> computer. (like this)
So I want to do NMEA parsing like...
Dear All,
I am sorry but I have to ask this question here, I searched and red trough the forum, tried the suggestions, nothing works.
Basically I want to have a HID device...
I use softdevice 6.00, size is 80K Byte. I use the chip NRF51822ab,and configurat the irom start at 0x14000,size 0xC000, IRAM, start at 0x20002000,size is 0x2000 ,in keil...
