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 did some small applications using RFduino, and now I will start developing using Nordic sdk.
I'll list some features of my application:
a hardware with no...
Hello,
I'm checking the sleep current with nRF51822 DK board, and have two questions.
sleep current is 2.35uA.
In the datasheet, there is only typical value as...
Hello,
as the S310 V2 uses 11k (9k static plus 2k stack) out of 16k ram. We are running into seriouse memory shortage. Is there any chance to that the S310 memory demand...
Hi.
I'm doing a project on S120 Softdevice and in "ble_gap.h" file (included from S120 catalog) i have noticed sd_ble_gap_adv_start() command. I tried to use it but i received...
Hello,
I'm trying to do a synchronization of two devices over BLE. I want to be able to open a scan window only for as little time as possible to receive a timed advertising...
Every once and a while a compile will result in dm_init() returning NRF_ERROR_INVALID_ADDR. Looking at device_manager_peripheral.c:dm_init(), it looks like this error is coming...
Has anyone experience of successful TICK_DV calibration for nRF9E5? What order of accuracy should be achievable?
In my application I maintain a software RTC clocked by...
Hi,
I want to periodically send data through nrf8001 so that once the connection is established for a particular service, i can periodically send data . So how to create...
Hi nordics!
I want to using app_data for preserving data.
For that.
First, I change the value DFU_APP_DATA_RESERVED to "0x0400"
Second, I change the memory start...
I have the "old style" nRF6310 board + nrf51422 boards.
I want to test different examples from the latest sdk, and possibly with different softdevices as well.
I appreciate...
Actually we are facing some problems debugging our custom code using breakpoints and/or single stepping.
Searching the forum I found that using the uart seems a possible...
I was doing some range testing using the ack payload feature of nRF24L01 modules, and I noticed that using different packet sizes would affect the number of packets per second...
Hi
I have a MCU with an external sensor connected via SPI sampling data at 1000Hz.
Using the nRF8001 with REQN and RDYN lines is making trouble. The REQN line is pulled...
I am trying to accomplish the following very simple task: use the broadcasting function of my nrf 8001 to send up to 19 Bytes of data over the air (connectionless).
I tried...