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 am working with usb cdc driver (sdk 15.3 and nrf52840) and i have a problem . This is my variables initialization APP_USBD_CDC_ACM_GLOBAL_DEF(m_app_cdc_acm, cdc_acm_user_ev_handler...
Hello,
I send SMS from nRF9160 to my number using following method.
1. Open LTE Socket
2. Send AT Commands:
a. AT+ CFUN?
b. AT + CFUN = 1
c. AT+ CFUN?
d. AT...
Hi all, If using the RC LF instead of a 32.768KHz crystal are there any side effects of the 16ms calibration period which occurs every 4 seconds? I'm mostly concerned how...
Hi,
I am working on buttonless dfu example, but i want to design my application in such a way that, device should enter into dfu mode when button is pressed. I should be...
Hi, I have some issue about mesh network.
Using below developing environment.
- SEGGER Embedded studio for ARM V4.22
- nRF SDK 15.3.0
- nRF Mesh SDK 3.2.0
- chip...
Hello
I'm a beginner in Bluetooh and I bought two dev board NRF52840 DK. I would like to make a mesh with these two boards. One in master and the other in relay, the goal...
Hi,
I´m working with "TWI Sensor" example of SDK 16 and I modified the Main function of main.c as follows (just added NRF_LOG_INFO("\r\ntest") );:
I just added this...
Is there a good way to uniquely identify mesh node across multiple smart phones? The problem is: Android provides access to MAC addresses that can be used as identifiers of...
Hello. When I examined the BLE data format, I found that it was as shown in Figure 1.
Fig1
I am using NRF52832, please tell me how to detect the CRC value...
I am using mbedtls with ECB hard accelerator on nRF52840. So I changed the macro definition: UPDATE_CBC_MAC in ccm.c to function:
#define HT_UPDATE_CBC_MAC \
for ( i...
Hi All,
we're developing beacon that advertise both legacy and long range at the same time.
however we got NO_MEM error while adding 2nd adv set
any limit on multiple...
Hello,
I am working with the Interactive PyACI (nRF_SDK_for_Mesh 4.0.0 with boards nRF52832). I followed the tutorial "demo_configuration" present in the doc folder. Every...
Hi,
I am trying to test the radio example from Eclipse. So i took one of my projects on SDK15.2 that works with the NRF52832, I cloned it and renamed it.
The arborescence...
Hello,
I'm using Thingy:52 to monitor FSR sensors in addition to MPU data.
I use saadc and can measure up to 8 FSR sensors thanks a multiplexer, it take about 10 ms for...
