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 have version 2.0.0 of Evaluation Kit. I was waiting for the new SDK and SD 6.0.0 but I have seen the warning about hardware versions. I have to finish a SoftDevice...
I'm a noob in this alley! it is my first time working with Nordic products. In the past I used Energy Micro and ST Micro.
I downloaded Keil 4.x from ARM website. Then I...
Hello,
I am developing a project using nRF51922 and S310, and the project is built using SDK4.2.2 with the modifications mentioned in a document called "nRF51922 - ble...
We are looking to understand the internal working of the nRF51822 firmware (MEFW_nRF51822_0.9.0_firmware.hex). If someone can share the original code or the basic block diagram...
Hi folks,
I want to match my IFA PCB antenna to the nRF8001. As Harald recommended a couple times, I am going to measure the antenna of the final PCB with a Vector Network...
Hi All,
I use the 51822 DK to do the current measurement and do as the DK user guide 5.1.8 current measurement.
I just use the __WFI() to make the 51822 get into idle...
Hi!
I must match NRF24L01 to 40+j48 ohm antenna. This is not my design, so
no possibility to change. I have PCB antenna, that was measured to be 40+j48 inside
enclosure...
I have some non-volatile storage routines that I have written before, but the new SDK V5.0.0 has this pstorage module that is supposed to replace it, right? How do I migrate...
I use 51822 nrf6130 "device_firmware_updates" example to update AP. When I build "dfu_dual_bank",the update will success. But when I use "dfu_single_bank",the update will...
Hi,
Do the nrf_temp functions, nrf_temp_init() and nrf_temp_read() only work for the nrf6310 board? Are there equivalent functions for the EK?
Thanks,
Mike
I have been trying to connect a nrf8001 device to a Android 4.3 device and it is discovered ok but fails when it tries to do a service discovery. After some deep digging I...
I am having the same basic issue that is described here:
https://devzone.nordicsemi.com/index.php/setting-advertisement-parameter-s-for-custom-profile
Including the error...
hi,
first of all i need to say, i am very happy to found the s120 softdevice where we can implement the client role also
i downloaded new alpha version of s120 softdevice...
hello,
i am using s120 softdevice along with nrf6310 mother board, the problem is i am dumping the code into the device, but i am having doubt how to verify that it is...
