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,
when I use the chip nrf51822(3rd generation),I find that when I open DCDC function,the ability of chip receiving msg is weaken.the receiving distance is shorter a...
I am doing a blob read on two s130's with s120(central). I am getting BLE_GAP_EVT_CONN_PARAM_UPDATE event while doing a continuous blob read.
Some times i get BLE_GAP_EVT_CONN_PARAM_UPDATE...
Hello,
Can you please provide full schematic for nRF52 dev board. I looked though the documentation and there are small bits of the schematic, but I didnt find full sch...
Using a nRF51822-QFAC-A1 on the nRF51-DK I noticed unexpected behavior when starting the HFCLK and LFCLK in rapid succession. This variant reproduces the problem at startup...
I would like to have 31 bytes for my own in advertising and so far I have disabled everything except adv_flags (it still takes 3 bytes cause of length, AD type and value)...
Hi there,
just wanted to know what the practical differences between the JLINK and mbed MCU interface firmwares are.
From what I experience I can only use the UART over...
Hi,
I'm writing a service to send indications on a couple of characteristics that are part of a service. In order to determine whether indications have been enabled or not...
Hi,
Is there a smaller version of the desktop 2 firmware? I don not need firmware for NFC only ble 4.0. Also would like less complicated pairing. The 6 didgit code is unnecessary...
Hi , I tried to change the transmission power using the s110 API and tried checking if the value of the register storing the transmission power is changed or not. Following...
Hello,
I'm trying to create my own bootloader application that uses softdevice in IAR. I would like to know how to configure my project so that it writes 0x0003A000 to...
Hi all,
I've a problem using pstorage: after I execute a pstorage_clear, my ic (i have the pca10028 board) go crazy, the application I've write stop execute and I can't...
I have an application that advertises as connectable in BLE.
After connection and configuration, it should then disable connectable advertising and enable nonconnectable...
Hello,
My nRF51822 custome board has problem at first programing software with nRF51 DK. So I checked nRF51822 boot sequence and found diffence compare with nRF51422 which...
