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 everyone
I'm doing some basic test to verify the correct platform for a future project, we need ble long range, therefor we are testing the NRF52840-PDK
I have loaded...
hello,we use nRF24l01+ for the communication of IoT.There are a lot of terminals work at a same channel,when the controllers send CMD,we have found:the length of reading from...
Hello,
I am having a weird reset behaviour with my nrf52832pca10040, SDK12.2 with softdevice v3.
I have connected an acc into the SPI interface through these pins
...
Dear friends,
I want to measure the current of RF of BLE using PPK. However, i do not care the current of other peripheral devices, such as timers, pwm. How can i make it...
Hi,
We have nRF51822 acting as a central and another nRF51822 acting as peripheral. The peripheral advertises at 1 second advertisement interval. The peripheral and central...
Hello,
There is a characteristic with properties:
memset(&char_md, 0, sizeof(char_md));
...
attr_md.vloc = BLE_GATTS_VLOC_USER;
...
char_md.char_props.write = 0;...
Hello everyone~
BLE 4.2 secure connection is very useful for smart automobile. It's fit for many lock/unlock and rent/sharing scenes. Is there a plan for automotive grade...
How do you do
Now use E: \ Nordic \ nRF5_SDK_12 2.0 _f012efa \ examples \ peripheral \ pwm_driver \ pca10040 demo5 of routines
The program below：
Using the oscilloscope...
I used 51802 made a PCBA module for 2.4G transimit , and use 24LU1 as a usb dongle , both of them used PCB printed antenna and haven't used PA.
I want to know , in generally...
I am communicating between nRF24LU1 + and nRF24L01 +.
Are there any registers or methods for receiving sensitivity from 01+ or U1 +?
The data sheet tells us that the...
Hi community,
I custom a service and need it be filter by mobile phone. For that I need my service uuid show up in advertisement.
Search some article. And find SDK example...
Is on_ble_evt () constantly moving?
I will reset the WDT with this function.
However, it seems to stop resetting the WDT after 3 seconds from startup.
Set the WDT to...
Hallo everyone.
I'm working with the processor nRF51422 with S210 softdevice and I would like to use the HFCLK crystal oscillator for clocking another external periferal...
