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 have 2 questions about LE Secure Connections.
1. What are the decisions of PKa and PKb passed in "2.3.5.6.1 Public Key Exchange" of BLUETOOTH SPECIFICATION Version 4.2...
Hello,
I follow the getting started with nRF52840-DK described here:
https://www.nordicsemi.com/eng/Products/Getting-started-with-the-nRF52840-Development-Kit
A...
Hello, I'm having trouble to make the image transfer demo work.
I flashed the .hex files found here: https://github.com/NordicPlayground/nrf52-ble-image-transfer-demo to...
Hi all,
I am adding PWM to light switch server . I added success. PWM function run OK. I use PWM1,PWM2 with Timer 1 and Timer 3 and PWM library example .If I call function...
Dear Support Team,
I’m using nrf52832 and SDK 14.2.0. In my project ,there are two dsp,one is nrf52832 and the other is ntk658, they connect via uart with each other. ntk658...
Hi,
I am developing nRF52832 peripheral, SDK15.
Let me know about whitelisting.
I'd like to below functions.
1. Delete item(device) in white list.
2. Changeing...
Configuration is all 12 combinations of the following 3 x channels, 2 x modulations, and 2 x bit rates were tested to find the worst case. More substantial testing was to...
when i upload the hex file of a s132 softdevice example program through nRFgo studio,
its shows hex file uploading failed and shows this message "Invalid SoftDevice, data...
Hello Everyone,
I am facing an issue when trying to connect back BLE central again after disconnecting it from the BLE peripheral once.
The issue is reproducible as follows...
If I want to send two byte, how can I do? I use the https://github.com/NordicSemiconductor/Android-nRF-Blinky sample code.
In BlinkyManage.jave
public void send(final...
hi All!
I'm trying to use new SD140-6 function sd_ble_gap_adv_set_configure() , according to spec. if last PARAM is NULL, function behavior : " When this function is used...
Hello, there was a strange problem in the mass production of my product. The previous batch of problems was less, about 0.5%. The later batch is quite serious, 45 of 500 products...