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...
BLE Control by Main CPU (MCU):
1. How the MCU communicates with BLE HW?
2. What is the amount of MCU performance is required to control the BLE? (expected answer example...
Hi nordic.
I use SDK 14.20 and nrf52840 board and s332 softdevice.
Our app has to use ant+ and ble.
My device connect with app.
App requests device to ant+ scanning...
hi guys:
When I was using mesh sdk, there was an error in compiling.
I use examples\light_switch\server\light_switch_server_nrf52832_xxAA_s132_6_0_0.emProject
I am...
Hi,
I am using SDK 14.2 -> BLE peripheral proximity example. I was trying to add a custom service and some characteristics to this proximity example. I basically took the...
Hi, I have two strange problems regarding the NRF_LOG. 1. In a for loop, char string that has changed is not printed out as what it contains now, it is printed out as what...
Hi,
i have purchased the following module
However, after connecting the VCC and GND to 3.3v DC supply the module is not detected. My questions are :-
Does...
how to slove it
1> Linking light_switch_proxy_server_nrf52832_xxAA_s132_6.0.0.elf 1> build/light_switch_proxy_server_nrf52832_xxAA_s132_6.0.0_Debug/obj/ses_nrf52840_Vectors...
I am using the nRF52832.
I want to go to sleep in absolute lowest power mode possible that still allows a timer for wakeup. Using LFINT.
I don't need ram retension, etc...
Code example: nRF5_SDK_15.2.0_9412b96\examples\peripheral\usbd_ble_uart_freertos
Board: custom board with nRF52840
What are the fastest and easiest steps to make this...
Hello,
I am trying to code nRF52840- DK with MAX30003 ECG Board Using SPI. I have referred Arduino Uno Code for MAX30003 ECG.
I need some help for Driver Development if...
Hi,
Is there a way to dynamically disable only the fork of a PPI channel or should I go through disable-free-alloc-assign sequence?
Will nrfx_ppi_channel_fork_assign...
hi, nordicer:
two device, a peripheral and a apple phone as central. we want to support scan request and response with ADV_IND mode, I understand as following:
(1) peripheral...
Hello,
I use the LAIRD module BL652 with the nRF52832.
My project consist of do a synchronous between many board. Each second, I restart a timer of 1 second.
I include...