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...
When I only used XXLARGE block, I got bellow error:
..\..\..\..\..\..\components\libraries\mem_manager\mem_manager.c(484): error: #94-D: the size of an array must be greater...
Hello,
I'd like to keep an epoch time on the nRF52 by incrementing a 64-bit second counter in RAM by using app_timer once per minute (happy with this granularity). Between...
Hello everyone,
I know this issue is quite recurrent but I've gone crazy reading so many different issues with android version, Connection intervals, etc. Would like to...
Hi all,
I'm working on a implementation of the nfc url to my custom nrf52832 product.
I would like to run the record_url example on my custom application. I made a library...
There is the board mark on the chip like n51822CEAAD01350A0, where DO is Build code, 1350 is tracking code(YYMM), A0 is lot code.
Taking below package marking for reference...
Hello,
I am currently experimenting with some throughput tests on nRF52832/nRF52840 DKs. Some time ago I worked with some BLE UART examples from SDK 13.0 with the help...
Hi,
I want to sample lpcomp result at 50us, I'm doing so by using the following statements and set/clear a gpio based on the lpcomp result:
nrf_lpcomp_task_trigger(NRF_LPCOMP_TASK_SAMPLE...
i use BLE uart project SDK 11 NRF 51822 with 2 value min max conn interval default is 20 and 75 ms.
i use android App was built by my team, and it' hard connect to NRF...
I am looking for a best solution to this scenario as in title:
I read in some posts (eg. this post ) that can use multiple ble service instances
also in...
I have followed the well written blog post on how to create custom service on this site. I downloaded the sdk 13 code for the same and i can send and receive values on the...
System:
-nRF51822, SDK11, Eclipse with GCC
-Project based on dfu_dualbank_s132
Intention:
Flash the combined SoftDevice, Bootloader and Application, where the...
When I call nrf_gzll_enable(), then nrf_gzll_disable(), and go to sleep with __WFE(), there is about extra 6uA draw due to this enable/disable action. It seems the nrf_gzll_disable...
Hello,
I have a Gazell application where I'd like to adjust the transmit power dynamically. I can't find any definitive answer in the API, so I want to ask here. Can I...
