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 wanted o increase the frequency at which heart rate is updated.
So I made the following change
#define HEART_RATE_MEAS_INTERVAL APP_TIMER_TICKS(300, APP_TIMER_PRESCALER...
Hey guys!
I am using your spi-master driver from the SDK 11 with the nRF52 chip. I am trying to read data from a MPU-9250 chip, and through my logic analysis, it seems...
Hi to all!
I've developed a board with NRF8001 on it and it works fine. But I've noticed a strange behavior. I use a mobile phone with NRF master control panel to work...
Dear All,
I am making IR transmitter using nrf51 where IR codes saved in SD card using PWM library we can transmitt the code while BLE is working.
Is it possible that...
Hi,
I am working on some application in which i have combined multiple profiles in one code.
In this i don't want generic access and generic attribute profiles to be displayed...
Hello.
I am using RTT successfully with nrf52 and IAR. But the start address for the RTT control block is a moving target: it changes whenever my code changes. I want to...
The product specifications publication for the nRF51822 doesn't list a gull wing chip pinouts found on the PCA10028 found on the evaluation board, kinda wondering if there...
Can someone confirm that all that needs to be changed to make code run with the SD installed is to change the linker to link to 0x1C000 instead of 0x00000 ?
To test, I...
I am playing with nrf51 DK. I used the following sample code,
devzone.nordicsemi.com/.../
ble_app_template_with_pstorage_SDK_8_1_0.zip
I want to pstorage clear/store...
I'm having an issue with secure BLE pairing, and once the problem shows up, it will not go away until I reprogram the SoftDevice. It persists through resets, so it must be...
I am currently using the nrf52 device for an application where when user's of my devices come close to one another, they automatically start sharing state information. There...
Hello all,
I currently have a test rig with 3 sensors, each with their own pin and interrupt they are supposed to carry out. Whichever two I put first in my gpiote_init...
Dear all,
I'm using SDk130 and the Software is based on the ble_app_uart_c example.
Now I want to scan the advertising data from a peripheral (device name, peer address...
Hi all,
Will the Gazell protocol be available on the nRF52, or should I stick to an nRF51?
Also for a new product, is it better to use Gazell than ESB?
Thanks!
