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 am debuging my programm base on SD-110-V6.0.0 ,sdk-V5.2.0. When I use the
static void characteristic_disc_req_send(const ble_ans_c_t * p_ans, const ble_gattc_handle_range_t...
Hi everyone,
I have a nrf51-dk. I am running Master Control Panel app on my win7 computer. However, I cannot see my nrf51-dk in discovered devices section. Log says, Loading...
I am working on an application for the nRF52 Preview board, using SDK 0.9.2. I need to acquire about five analog samples from a single channel at roughly 100 Hz, then wait...
I use SDK9.0,SD8.0,the device is 51822AC,the device can enter to Bootloader mode.
As it shows below.
Then I selected the .zip file to start DFU
But when it reached...
I'm trying to do all my development on linux, mostly so that I can use a continuous integration environment. I'm setting up a server to compile my firmware app on every pull...
Hello I am currently using the NRF52 DK2 PCA10040 with S132 soft device (nRF52 SDK v0.9.2) . I have setup my code to sample 4 analog pins periodically. I configured double...
Hi everyone,
Well, our device is based on NRF 51822 CFAC MCU. It’s an ibeacon based device which advertises and receives data frequently, and writes data into flash memory...
Hi,
I have a project that uses PStorage and the Nordic UART Service. PStorage is used to store a variable that is updated by the device, irrespective of the Bluetooth,...
Question:
From ble device I have to send some data or character to mobile in connected mode. After sending that data the device is not going to sleep mode while connected...
I'm trying to modify the beacon properties of the nrf Beacon in the nRF Beacon APP but it doesn't allow me to change those properties.
If I use the Beacon scanner the device...
I am trying to find out the part number of the antenna (I assume it is a PCB antenna) used in the nRF51 DK ( www.nordicsemi.com/.../nRF51-DK) . I found a lot of similar questions...
Hi, I tried it from my Nexus 5, using the Android version of MCP. I can connect/unconnect, detect link loss, and (apparently) everything else, but only LED 1 seems to behave...
I want to connect one peripheral to a few central devices (lets say 3) but the central devices don't need to be connected to the peripheral at the same time. Should the PERIPHERAL_LINK_COUNT...
Thanks for the info already provided in devzone.nordicsemi.com/.../
I'm starting a new design with size (and volume) minimization a key requirement. Couple questions: ...
I am looking at the common nRF24L01+ module PCB with integrated antenna which is available at several suppliers. See picture below:
My question is - was this PCB design...
