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 am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
So I am trying to store a few configuration parameters in flash. I am using nrf_fstorage for that. so before storing the parameters, I am erasing the flash but, it hangs at...
I am using the chip NRF52840 ,the board is powed by a battery, and I program the firmware by using the JLINK,then I unplug the JLINK and waiting the system to go into sleep...
I'm working on a project using the nRF52840 that will have a central device with an NFC reader and up to three peripheral devices with an NFC tag. The goal is to have an LED...
We have already developed firmware for our product using SDK nRF5 SDK v14.2.0 with Soft device S132 V5.0.0. For the new product development, we plan to use the Soft device...
Hello all,
We are trying to use Background DFU.
We are able to trigger using "background_dfu_validate_trigger" and "background_dfu_process_trigger". Process the init packet...
Hi,
I'm looking to connect DAC 5504 ( By AD ) to my NRF52840 based design.
I was wondering if a similar work has been done before ? I can use a good reference code
...
Hi!,
Im curious of what the below module (U34) does within the GPS circuit?
Also, what does the MAGPIO0 "55" do?, can I use one of the GPIOS for enabling the GPS?...
Hello All,
I created a BLE service (relay service) to be able to turn ON or OFF a relay switch. The relay switch hardware is attached to Adafruit Bluefruit Feather (nRF52832...
Hi,
As i know that the nRF52840 DK having thread, Ant and zigbee supports. Till now we can tested examples using the DK's only. Now am eagerly waiting to know that is...
Hi.
I use SDK15.3 (PCA10056 NRF52840) USB MSC example.
i can enumerate disk, creat file and delete file. but i can not edit file.
When I edited the file, re-plugged...
Hello! i am working with nrf5-ble-mpu-data-ready-interrupts example from github, I defined twi, could compile it without errors. But the case it, it doesn't advertise and...
Hi,
I'm trying to get my NRF52840 to minimum current in sleep, but got stuck around 440 uA. Reading through the various posts about sleep current for this type of device...
Hello,
I have created a service with three characteristics in which the 1st and 3rd characteristics have all the three Notify, read, write properties. The second characteristic...
Hi!
I'm try restrict device connections with whitelist.
Code based on examples/ble_peripheral/ble_app_hids_mouse.
My problem - any devices can bond and connect even...
Hi,
Using power profiler I measured power consumption of BLE mesh and it gives ~12mA.
What I would like to know is why the device is consuming more power during scan....
