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...
I am using HID example with nrf52, where firmware allows connection from proprietary HID host, e.g. PC as virtual (BLE) keyboard. When connection is established, I use button...
I am working on implementing secure DFU.
I am currently using s132_nrf52_3.1.0 (production).
I believe I have the latest nrfutil which is 2.1.0 .
When I use command...
Hi,
I am working on RTC sample example in SDK12.0.0. The compare event in it triggers after 3 seconds. In my application I want to trigger the compare event every 10 seconds...
Hi.
I'm using NRF Connect v1.0 on a Windows 10 PC, together with an nRF52-DK (PCA10040).
It works nicely with the connectivity firmware 1.0.0 that the PC app offers to flash...
Hello, I'm looking into this particular issue and are now having some concerns. Namely:
My firmware size currently stands at 30k. It's not big, but definitely not...
Hi
I set the attribute request when receive a notify
case BLE_ANCS_C_EVT_NOTIF:
m_notification_latest = p_evt->notif;
notif_print(&m_notification_latest...
Hello, we are working on a project where we use the nrf52836 with a BMX055 sensor.
Due to BLE, we have to use a softdevice.
For now, we are using this version of the sdk...
Is there such a thing? For ultra-low, harvested power, how do you recommend powering the nRF5x: load switching Vcc or leaving Vcc connected and hold the reset pin low until...
Hello,
I have got the nRF52840-PDK, and I usually use CrossWorks, so I spun up a new project based on SDK 13, examples\peripheral\blinky and flashed this using default...
I would like to connect n antennas (through RF switch) to a single nRF52 that would do phase comparison between the n received signals. This is something related to I/Q sampling...
I know it is a pretty basic question but I can't manage to understand the documentation enough to pass the tutorial predeterminate code. If someone could help and tell where...
Hi,
I am trying to write a program which send data through notification. All is working, excepted that once the notifications are done, the device automatically disconnects...
I have an advertising device (NRF52DK+SD132_V3.1.0+SDK_12.2.0) where I whitelisted an address corresponding to my NRF51 Dongle (0xDA509C569622).
While the dongle is initiating...
Hi, At the moment I am using nRF Toolbox to upload DFU *.zip files to our devices. We have been finding that the devices will become unresponsive after a firmware upload,...
