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'm using an nRF52 (SDK11.0.0, s132) and am able to generate a hex and axf via Keil/uVision. It uploads and works just fine using a Segger J-Link. I want to try some lower...
Hi, I'm a newbie to Nordic and need to use multiple nRF24LE1s to get ADC values and transmit them to a single nRF24L01 connected to an Arduino. I need sample Keil compiler...
Hello everyone~
Although one TWIM interface of the nRF52832 can "interconnect up to 127 individually addressable devices", I still think that use different interface will...
Hello everybody.
I'm trying to modify the original firmware that comes with the nRF51822 to make it sweep all of the permitted levels of transmission power.
I was able...
Hello,
I want to read the temperature value continuously on mobile scanner app. I implemented the program as stated in BLE Characteristics beginner tutorial and I am using...
Hey guys,
I’m trying to come up with a way to know if an advertisement was received via BLE_GAP_EVT_SCAN_REQ_REPORT, but then not actually send the SCAN response. It’s...
Iam using softdivice 110 and sdk 10.0.0, iam using spi driver for interfacing with spi slave device(flash memory device). I need to send command and then receive the data...
Hi,
I am trying to implement an ECG measurement device. nRF52832 collects the sensor value through SPI and send it to smartphone using ble_app_uart code. I need to send...
as sd132v3.0.0 got some Exciting functions.
I tried to use in my production.
everything work fine, except for dfu.
Trouble is:
when i upgrade from softdevice 2.0.1...
Hi, I am working on reading battery voltage of nRF51822 Microcontroller.
I have used the openbecon(internet) code for ADC configuration and reading.
I am getting 28...
Hello,
I am trying to update temperature value through BLE characteristics example but while temperature update in following function I am getting error code 12291.
...
Hi i have to read some data from a temperature sensor.
twi_temp_read((int8_t *)&temperature);
this below what do?
temperature = ((temperature >> 12) & 0x000F) ...
Hi,
In SDK12_NRF52 custom project not work to me NRF_LOG_MODULE, I have this in main.c top:
#include <stdint.h>
#include <string.h>
#include "nordic_common.h"
#include...
MyZip (1).zip Hello,
I'm trying to run a ADC example for nRF51822 in Keil 5.21 MDK, but error is raised up.
I've done following before:
-installing all packs,
-tick...
Hi there,
Any help on setting up gcc compiller to use with bbc microbit? And a simple example?
I know I can use the mbed platform to program it (among others)... but...
