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...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
Hi
I'm currently working on a small nRF52 based design, and I have been asked to keep the cost as low as possible, while maintaining a good battery life while being powered...
Hello,all
I want to use timer,ppi and gpiote to toggle a pin in sdk8.1 but not working.Here are details:
Firstly I use the example project "gpiote" which does not contain...
Hi,
i'm working on nRF51422 and i'm trying to do a simple BLE object that advertise his name and his services and is connectable by the others.
Advertising and connecting...
Hello,
I am working with nRF51422 & would like to know if I can measure current of single event & multiple events (pictures attached) as detailed as possible. I have cut...
Hello everyone.
I want to increase the operating range for nRF51822. To do this I added PA SE2576L in design.
Unfortunately, I do not have experience in RF develop...
Hi,
I'm attempting to use Version 2.1.0 of the HomeKit SDK on an nRF52. We're using the s132 SoftDevice 2.0.0-7.alpha (the SoftDevice in the latest nRF5 SDK v11.0.0). ...
Hi.
So my problem is, that i cannot successfully program external board with preprogrammed nrf51822 chip in the board.. This board is from china.. its an ibeacon.. If i...
I've recently been playing around with Bluetooth Developer Studio, and I can see it's potential despite it having a few annoying bugs.
I've set up a custom service by re...
Where would be a good place to feed a watchdog when using a softdevice?
My first guess was in main loop:
for (;;) {
NRF_WDT->RR[RR_number] = 0x6E524635;
power_manage...
Hi,
When a watch dog timeout occurs, I want to save some data to the flash memory prior to reset (namely the RTC count value). Therefore I enabled the wdt interrupt. The...
Im using nrf51, I configured the watchdog to reset after 3 seconds of hang and it works. But I have absolutely to save some data in flash before reset
Is there anyway to...
My custom profile was being built fine until I added a couple of standard descriptors to a custom service characteristic. Any idea what's going on here?
19:34 - [Code Generator...
Hello All,
I want to develop bluetooth mesh using NRF51.
I have question about this:
Is their library closed or not?
Do we need smartphone like in CSR?
...
Hi, I have a TinyShield Nordic module and I am having some troubles trying to customize the advertising packet. I have downloaded NRFGO Studio and I have enabled service data...
