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 changed application main.c to enter in to DFU mode after 20 seconds. System is reset every 20 seconds and the boot messages are printed. The message "Booting (0x8200...
I am trying to measure distance with a vl53l1x sensor through the twi_sensor example. I uploaded the code to segger by referring to sparkfun, but twi_handler does not work...
Hi
using sdk17, softdevice132...
There are some parts of the central implementation that I don't understand.
It is based on cle_uart_app_c.
Isn't the function bl_nus_chars_received_outprint_print_called...
It is amazing how common this error is - there must be 100 posts. Yet none solve the problem and none explain it. It suggests that there is some serious work needed to improve...
I've been developing using nRF52840 using the nRF5 SDK. I have also been using FreeRTOS in my projects.
I recently received an nRF5340pdk to evaluate the nRF5340. I have...
Hi,
The CPU at my target board is nrf52840 and SDk16.
Condition 1: It causes system lock at <-A-> (function of strlen at nrf_ble_scan.c) if I setup the filter of NRF_BLE_SCAN_SHORT_NAME_FILTER...
I am looking to use the nRF9160 in eDRX intervals of 2.7 minutes (no PSM). The goal of the device is to be dormant until receiving a command to begin transmitting its location...
Hi,
I am developing an application based on Connectivity Bridge and I want to establish few simultaneous Bluetooth connections. I am working in Thingy:91, currently on SDK...
Hi,
I got SPI working when writing to the CS pins directly. I thought however it might shorten the SPI acces when using spi_cs_control. When executing the code I will however...
Hi Nordic,
I am testing the sensor LSM9DS1 with the nrf52840. I try to make one pin attach to handle the interruption for the FIFO full interrupt.The FIFO handling function...
Hi everyone,
I am trying to understand the concepts of ATT MTU and DLE, so let me share my thoughts along with some questions. Maybe this is useful for other community members...
I'm trying to use the full potential of the external memory on the NRF52840-DK.
I want to modify the FLASH_SECTOR_SIZE:
4096 are in bytes. When i try to add, for example...
Hello,
While I am creating a new projects. I am getting an error message. I don't know the path of the files . I randomly created a project in D drive ,c Drive . So My question...
There are the following projects under the Health Thermometer example for Keil
What is the difference between them when trying to install on the nRF51 DK? I could not find...