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 RSSI check. so added source code as below.
test_rssi_start = sd_ble_gap_rssi_start(m_conn_handle,BLE_GAP_RSSI_THRESHOLD_INVALID,0x00);
if(test_rssi_start...
Hi all,
Is possible using NFC to send variable message? I want to send a counter event (data I got via BLE) to the NFC module.
Using the example I was not able to do...
Hey,
I'm just wondering how to add a UUID to the blinky example peripheral?
I want something like the heart rate sensor where its advertising BLE_Heart_rate_sensor.
I...
We have recently migrated from a custom board based on the nrf51 to a new board with the nrf52832. Our nrf51 board used to run at 6-8 uA when it was just sitting there advertising...
Hi
During schematic design, i read regarding proper powering of NRF52 (the product is battery powered 2xAAA). somehow i can't find this info now and i would like to verify...
What does mask and 1<< mean in the following code:
#define BSP_LED_0_MASK (1<<BSP_LED_0)
#define BSP_LED_1_MASK (1<<BSP_LED_1)
#define BSP_LED_2_MASK (1<<BSP_LED_2)
...
Hi all,
I'm transferring data to and from an Atmel AT25040 NVRAM using SPI, and it works perfectly when run within main(). However, if I run the same code from within an...
Hi, I want to enable notification for a specific characteristic, and to do that, I must write 0x01 (in java it's going to be "01,00" ) to the CCCD handle of this characteristic...
Hi,
I tried to use python API to drive the nrf sniffer to capture ble device information by their advertisement packet. I can successfully target a specific ble device...
Hi, I'm wondering how much i need the LF crystal oscillator.
In this case, the chip is never asleep, in constant latency mode, and is constantly advertising and meshing...
Hey guys,
We have several different devices that use the nRF51822 and some using the nRF24L01. We currently use the proprietary RF protocol and have all of our devices successfully...
Hi,
Reading from flash, an already programmed key, returns zero.
Using sdk 12.1, sd s132_nrf52_3.0.0, nrf52832, and pstorage. The key is programmed after uploading the...
On nRF52 interrupts for GPIOTE, I need to perform one event when a button is pushed, and perform another different event when the button is released.
I've checked these...
