How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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...
Hi I have run into this error when running. However it has just appeared (the FDS did work but now will not initilise.) I am using Visual_gdb.
As per this issue
I have...
Hi,
I am using nRF8001 with a MCU from PIC18F family. I have successfully configured nRF8001 to send and receive data through the nordic UART pipe (I used the app nRF UART...
I am experiencing a strange problem with stopping a scan. I am using the mesh from github.com/.../nRF51-ble-bcast-mesh together with interval scanning, meaning start scanning...
Hello Nordic developers,
I was tracing through the new SD init code in the HRS example app for nRF52 and followed this macro into softdevice_handler.h. Is it supposed to...
I am planning on using:
NRGF51822 CDAB WCSP (= 128KB Flash, 16KB RAM, 3.5x3.5mm)
Another main chip I will be using is:
LSM303AGR ( www.st.com/.../en.DM00177685.pdf)
...
Hi
In my application I have a function that takes about 1 ms, in which timing is critial.
(I cannot allow even a few us change of the timing inside this function).
When...
Greetings, and thank you ahead of time to anyone willing to lend some advice.
I'm implementing application-layer security by requiring central devices to supply a user...
Hi,
I am having some trouble getting the nrf51422 (running the s130 soft device) to wake up after entering sleep mode. I have successfully entered sleep mode using NRF_POWER...
Hi,
I am trying to work with ble_radio_notification.h. When I import this file to my main.c, I have "No such file or directory error". When I try to add it to nRF_BLE folder...
Hii every one,
We are working on a project where we are using a temperature sensor LMT01, its giving a pulse output the pulse out is from 220mV to 600m. So I'm using lpcomp...
Hi,
I am getting only two values on startup and the remaining values as zero when using app_timer_cnt_get.
EDIT: updated entire main.c file
#include <stdint.h>
#include...
I am trying to bring the pc-ble-driver code up on a single processor ARM based board with Linux build under Yocto control. The boost library version being used is 1.60.
...
Hi All,
I'm implementing system clock using approach similar to
devzone.nordicsemi.com/.../
The idea:
NRF_RTC_EVENT_COMPARE_0 -> PPI -> NRF_TIMER_TASK_COUNT
...
