Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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 trying to use the indication to transfer data from NRF52832 device to host. when the indication transfer was comfirmed by host, then we can receive the event ...
Hello,
I would appreciate if anyone can share detailed steps how i can program a custom build PCB with BMD-350 from BMD-350 Evaluation Kit using J-Link OB Interface.
Hi,
I wrote my own nRF24L01+ library for my AVR AtMega2560. I used the datasheet and the widely used Mirf library as my guide. I am happy to say I got it working. I have...
I have a new PC (running 64 bit Windows 7) and am having issues after install nrfgo studio. I had it running previously on another windows 7 (64 bit) machine with no issues...
I noticed that there can be three SPI instances (SPI0, SPI1, SPI2) for the nRF52. Is it possible to have three TWI instances? We have a sensor network that requires 6 of the...
i have used 52832 for pdm clock generater, but i just can set the frequecy to fixed such as 1.032 MHz,1.067 MHz.., if i want to set the frequecy to 1.050MHz, i can't come...
Hi,
I am trying to run LWM2M support based on Contiki OS (contiki/examples/ipso-objects) on a NRF52 (PCA10040) development board. I can successfully build (make TARGET...
I see Nordic release pc-ble-driver 2.0.0 some time ago. I'm using 1.0.0, before I upgrade to the new version, I'd like to know what's new in it....could not find any list...
Hello,
I am using nrf51822 SDK11 S130.
I am using my custom design board which is powered by 12V. The nrf51822 is provided with 3.3V. I used 27k and 9.53K resistors in...
Hi,
I have two nrf52832 boards. One as mater and other as slave. I'm trying to develop a communication between master and slave through ble. Also i need to connect the master...
Hello, can someone tell me how I can change this, as shown in the picture?
Strangely, I have already selected the proper target device, as shown in this pic:
What...
I want to use UART to read GPS data while advertising.
After I add uart function to ble_beacon_example, UART API app_uart_get() always return NRF_ERROR_NOT_FOUND.What can...
Hi,
Can Anyone has experienced with nRF52 PWM clock generation ? I am trying to generate 8-Mhz clock out of GPIO by configuring it for PWM module.. But so far I can get...
I have taken ble_app_ancs_c_s130_pca10028 example of sdk11,s130 version 2.0.0 and i integrated Alert Notification Service,DIS[device information service] and DFU... Device...