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...
When i load the example radio_test pca10040 in Keil i get the following error messages
Error #544: Required Software Pack 'ARM.CMSIS.4.5.0' is not installed
Error #544:...
Hello
I plan to use two Bluefruit LE Micro devices that contain the nrf51822 as BLE beacons.
I also plan to use a BLE receiver (on another arduino) to receive the beacons...
Hi,
I'm using GCC with SDK11 on linux. I'm able to build successfully. When I try to run "make flash" or "make flash_softdevice", I get error nrfjprog command not found...
I just got the nrf51822 evaluation kit. I followed the instruction and installed everything per instruction. When I tried to open “Blinky” project, I am getting the following...
Hello,
I have a peripheral based on the nrf52 that connects to my Android phone already in direct advertisement mode.
I am trying to get a NRF52 central working with...
Hello! I'm trying to use the PWM on a board containing an nRF51822 device. However, simply including the nrf_pwm.h file multiple errors are trigered, such as the following...
Hi everybody !
I try to use nrf52 DK with OSX
I follow this link
devzone.nordicsemi.com/.../
and I have a problem with this step :
launchpad.net/.../ download
...
hi,
i tried to make a ac dimmer circuit controlled with dc
i use nrf51822
this is my dimmer circuit
aaand this one is zero crossing detector
finally this...
I've been puzzled after looking at the current draw figures for the nRF52832. If the advertising interval is supposed to be 20ms.
Can someone explain why the advertising...
I have followup question to the one asked in this thread:
devzone.nordicsemi.com/.../
I'm also using the device manager in DFU so that I need both the pstorage_raw and...
Hi !
I'm working with the pca10040 and nRF5_SDK_11.0.0_89a8197.
I tried to run the DFU bootloader example with SEGGER Embedded Studio 2.2 ( following this tutorial ).
...
"I need to analyse,what is the array of hex values corresponds to.
#define SETUP_MESSAGES_CONTENT {\ {0x00,\ {\ 0x07,0x06,0x00,0x00,0x03,0x02,0x41,0xfe,\ },\ },\
0x07...
Hi all,
BACKGROUND:
I'm working on a project where we use the nRF51, and our first prototype boards just arrived.
So I've made some power measurements trying to calculate...
