Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi,
I have read the dfu protocal and found that there are three types of dfu transfer which are identified by a firmware ID. Now I want to add a new part to update the user...
Dear,
I am using THINGY91 for proving my concept, I put THINGY91 in the freezer - to adapt to the temperature.
I am using NB_iot of telia (norway)
My problem is: sometimes...
Hi,
I am using the NRF52832 with softdevice 6.1.1
I am using the minimal ble_app_uart ecample, just changes the RX_PIN_NUMBER to 11 an TX_PIN_NUMBER to 12 to mach my board...
Hello ,
I want to read the values from tera term , and PCA10040 have to read that value on polling basis .
Then advertise that values / data as manufacturing data. i am...
Hi
it looks like my MQTT-SN is not working.
I am trying to run MQTTSN Example in nRF52840 devices. https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter...
Hi,
I have 3 Devices that constantly broadcast their position to each other so the other can adjust the position each other. they act like master and slave but ther are...
I'm trying to get the most performance per mA out of my nRF52, for test purposes I've used the nrfx libraries to communicate to the peripherals but I want to make my own....
Dear Nordic
my SOFT DFU fail when I init the WDT, but I have feeddog and disable the WDT, like below:
static bool app_shutdown_handler(nrf_pwr_mgmt_evt_t event) { switch...
When access_model_subscription_list_dealloc() is called the entry is memset to 0 and the ACCESS_INTERNAL_STATE_INVALIDATED flag is set.
The function access_model_subscription_list_alloc...
Hi all,
I have a nRF52 DK (PCA10040 V1.2.1), and I want to learn how to develop on macOS.
I read from this link , and I got following information.
But I cannot know...
Hi,
I use The Texas Instrument software "SmartRF Packet Sniffer Bluetooth Low Energy" to catch the communication between my peripheral build with nRF52832 and Zwift (software...
Hello
I am trying to configure your TWIS (not using the SDK) and have run into the problem that the TWI master cannot pull the SDA and SCL line low. So, the communication...
52832's PDM function. After initialization, call the nrf_pdm_enable function, and then call the nrfx_pdm_start function. NRFX_PDM_ENABLED is set to 1. But the clock pin always...
I am evaluating the NRF52810 (using the PCA10040 dev kit), and I am having a hard time getting down to the described power consumption of the chips. I am using the power profiler...
