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...
I am doing a bootloader to support updates via ESB. I am using MicroLib. I am not using SoftDevice.
My project mapping:
Bootloader 0x0000-0xBFF
Application Vector Table...
I use Keil uVision 4.74.0.22 to compile nRF51-ble-bcast-mesh-master with nrf51_sdk_v6_1_0_b2ec2e6 and get the rbc_mesh_BLE_Gateway.hex. However, I drag and drop the hex file...
The iOS app we have is identifying the device via the name broadcasted and the service UUID. On production devices, are the Service UUIDs on the same product, the same on...
Fisrt of all, I have searched all the questions but now still can't make bond work.
I've done below work:
1, modify main.c file to add device manger function
2, modify...
Hello,
I am using NUS service as a peripheral with read and write characteristics and tested on master control panel.
Now I am using S120 stack for central device and...
Hi,
I have a PCA10028 which has a 51422, and trying to run ble_app_uart_c example on it. But no success. I don't get any thing on COM and LEDs do not turn on at all. Does...
Good morning,
I am using nRF51 SDK v10.0.0 and I have to synchronize access to a hardware resource shared between two control flows. One flow is an interrupt handler invoked...
I just ported my SDK 9.0 app timer code to SDK 10.0 which requires the use of the new APP_TIMER_DEF() macro. The problem is that is generates warnings in Keil (v5.17) that...
I am using nRF51822. I want to know that how to perform file read, delete and write operations. Is there any API available for this. If file operations are not supported by...
We are trying to integrate an accelerator driver with the code written in c++ with example code from twi sensor from the SDK 0.10 for the nRF51, which is written in c. Will...
Hi,
I am struck with the problem of GAT ERROR when I upload my application zip file through Nordic nRD ToolBox in Android.
These are my steps:
I load the S310...
I recently migrate to SDK 10 from SDK 9 and printf is behaving weird with baud rate of 92100 (460800 and below works fine). Some of the characters were printed out of order...
Hi,
I am trying to implement some custom services in PCA10028 version 1.1.0 with Android, I am following same code which is in github ( github.com/NordicSemiconductor) it...
Hi. I try to nus + pwm.. I am using github.com/.../nrf51-pwm-library ..
When I combine 'ble_app_template' + nrf_pwm, it works fine.. but 'ble_app_uart' + nrf_pwm is not work...