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...
Hello,
I have problems with project making since I started with KEIL uVision 5 (in uVision 4 I had no problems, but see no way to download uVision 4 any more).
I followed...
I am not seeing the nRF51822 as an option when I go to select a target device in Keil µVision.
From reading questions on here I understand that the nRF51 SDK should include...
Hello,
I'm new to the nRF51 modules and I just started with nRF51422 module.
I have Keil uVision v5.11.1.0 with MDK Pro v5.11.0.
I have installed nRF SDK - nrf51_sdk_v5_2_0_39364...
Last time I used Keil µvision4 few weeks ago everything was working fine,
Today I got first a connection problem with keil µvision4 when trying to upload some code, then...
For some reason I get the following error every time I open a project in Keil.
I am wondering if the SDK needs updated?
C:\Keil_v5\ARM\PACK\NordicSemiconductor\nRF_DeviceFamilyPack...
Hello,
I bought a couple of days ago, the nrf51422 Development Kit. It comes with all the items described by Nordic on the website.
Just two questions:
My PCA10006...
Goodmorning
I have few problem with this project. I took the source file from github.com/.../nrf51-ble-app-temp and I modified the main.c to use with S110 6.0.0, nRF51...
Hi,
I am using nRF51822 with Softdevice S110 v6.0 to advertising packets and I would like to know when transmission is over to read some data from external sensors. I tried...
Hi, im implemented several services and characteristics in the nrf51822 with S110, its all working (read, write and notification), tested with an iOS app.
Now i need to implement...
Hi,everyone
I want to make out 4 channel PWM with PPI and two timers , PPI configuration like this,
/* Configure PPI channel 0 to toggle PWM_OUTPUT_PIN on every Timer...
Hi All,
I would like the nrf51822 sleep, wake up and then continues advertising.
I try following code:
NVIC_DisableIRQ(RTC1_IRQn);
NRF_RTC1->EVTENCLR...
hello, everyone.
i am a new, i can't understand the meaning of "One event can trigger multiple tasks by using multiple channels and one task can be triggered by multiple...