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...
I was comparing the binaries for the S120 and S110 stacks and see the MBR is different.
I was under the impression that the MBR never changes and was thus expecting it...
Hi Nordic
We want to test radio parameter through IQxel . Now,we need a application software to control nrf51822(TX,TX,outpower,channal and so on ) . Can you recommend...
I'm using the example code for simple device/host Gazell in SDK 7.1.0 as my starting point for my application.
My program runs for a second or two, then ends up in the...
Hi
I am new to programing low energy devices. I got a Blend Micro from RedBearLabs. I am using the
nRF Master Control on android to connect to it. I am able to change...
As I create my first 'profile document', it would be nice to read over some examples. My only knowledge of this document comes from nAN-36, section 2.2.2.5 :
A profile...
Hi
in the SDK 7.1 examples, there are examples about how to use the hardware peripherals, and examples on how to use the BTLE stack, but nothing combined.
How do I combine...
Hello, I've started bluetooth development with nRF51 DK since yesterday.
My devlopment platform is KEIL-MDK(v5)
Yesterday, I just tested my board, download the blink...
I have an nrf51 dev board which i can currently connect to an android phone and read data from. I would like this board to be able to scan for other BLE devices and send data...
While attempting to understand why my S120 v 1.0.1 application aborted in:
sd_softdevice_enable(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, assertion_handler);
producing:
ASSERT...
In regard to the following functions
uint32_t sd_nvic_critical_region_enter ( uint8_t * p_is_nested_critical_region )
uint32_t sd_nvic_critical_region_exit ( uint8_t...
Hello, from looking at the GCC linker files I take it that S120 softdevice doesn't support using the full 32KB RAM of the new nrf51422-xxac devices. Is this something that...
Hi, I have written a simple program to calculate the number of retries with nRF24L01+.
On transmitter side, maximum number of allowed retries is set at 1. The transmitter...
Hi all,
I am a beginner with nRF24LE1, when I want to code some examples using GPIOs, I find that it's difficult to understand the PxCON register function. Whether I configure...
I am using the usb port to download an example project to the NRF development kit board, with Keil4. Somehow it keep telling that "No jlink device found", in Keil, the project...
I'm designing my own pcb with a IMU and nRF51422 but i confused,
What's the best choice, LDO, DC-DC or external regulator configuration if I'll use a cell coin?
Someone...