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...
Hello,
I am using the nrf52840 controller for the development ,i want to read the value from 2 channel of ADC . I just gone through the SDK example code of
SAADC, here...
Hi All,
I was trying to transmit a bare-metal minimal C program to send a raw ADV_SCAN_IND PDU using nrf52840 dev board. Code is listed below:
Here is the linker script...
I'm currently building a device that has the following functionality:
1.) wake from sleep mode and wait 5 seconds for a potential button press
2.) if the button is pressed...
Hello,
I'm trying to debug an issue where a function I wrote that should only be called under a specific condition is calling in an infinite loop whenever the program runs...
Hi, I'm using nRF52805 S112 for my BLE project. I'm using an internal RC ocillator. I would like to ask something about the clock.
1) NRF_SDH_CLOCK_LF_RC_CTIV =16 and NRF_SDH_CLOCK_LF_RC_TEMP_CTIV...
Hello,
I am working on using the open_bootloader with our application and running into a problem.
We are using the GP_REG to jump from our application back to the bootloader...
Hello,
I'm using the following code to loop through the flash memory sequentially and send records created by the flash_fds example:
The data stored in the records...
Hi,
How does numeric comparison works? Shouldn't both devices share parameters in order to display the same number? How can we be protected from MITM?
Thanks!
Ive added another endpoint to the OTA zigbee client example, when I run
ZB_ZCL_SET_ATTRIBUTE (ep, ZB_ZCL_CLUSTER_ID_ON_OFF, ZB_ZCL_CLUSTER_SERVER_ROLE, ZB_ZCL_ATTR_ON_OFF_ON_OFF_ID...
I'm using the nRF52 DK and attempting to use I2S to send data to a DAC. I'm using the nRF5 SDK, version 17.0.2. The last sample in the data I'm sending is always replaced...
Hi,
I have a question regarding diffie-hellman.
What exactly are we doing with diffie-hellman key? Do we use it to create another key? Or is it the key itself?
Thanks...
Hello,
I am new to development with Nordic board. I have evaluation board from u-blox which is EVK NINA-B406 and I have installed Segger Embedded Studio IDE for development...
Hello,
I have been trying for days to program my nrf51422 project without much success. I am using a Jlink programmer. I have connected VTREF, GND, SWCLK and SWDIO from...