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 want to generate timer events as exact as possible, based on a time base that is defined by a runing timer. For example, I've setup timer0 to count up every 1µs...
Hello,
I want to use the Segger drag and drop programming feature on the PCA10028.
I have got a running application with the S120 softdevice.
To use the mass storage...
After 6 days hard work finally completed a C++ class to implement MultiCeiver and Enhanced ShockBurst….
But the “Product Specification PDF” contains some errors:
a) Page59...
What's the best way to ask the device manager how many bonds it has? Or even, whether it has any bonds at all?
I can see nothing in the API docs here:
developer.nordicsemi...
Hi all,
I asked this question before but I am not able up to now to find solution. How to use DFU example of SDK 7.1 for the S130 SoftDevice. I have tried some flash address...
I am currently developing a bootloader for N548 chip from Dynastream/Nordic.
I am following the project example for the S310 soft device and using IAR.
The project had been...
So I see ble_app_hrs and others have some nice examples of buttonless reboot into DFU bootloader. But for security reasons, I'd rather the user hold down the reset button...
hi, I am very new to ble and I am trying to download softdevice S110 to my Yunjia NRF51822 board. I am using J LINK connected to my linux PC to download the softdevice to...
Hi:
I used a design with nRF51822-QFAA+BAL-nrf01D3+Pi-network+SMD chip antenna,but it didn t work well.I tested the VDD_PA Pin ,it didn t have a 1.6V voltage(datasheet),that...
Hello,
I am trying to adapt a bootloader from sdk examples to my nRF51822 board without success.
I am able to adapt the example apps from the SDK (I have to change the...
I want to use ble_app_multilink_central example but can't work.
NRF1422
QFACA10
PCA10028
already program softDevice S120 and use Keil C to download ble_app_multilink_central...
I'm trying to use gpreg for state across toggles of nRESET. I thought it was working, but when I tested it on hardware without jtag connected it seemed that gpreg was getting...
Hello,
Finally, after some struggle, I achieved to port the bootloader to s120 V2.1.0 and work just great on a dev. board with nRF51422. But now I have another problem...
Hi, i hope i'm not duplicating any questions, but i couldn't find a similar one.
I worked with other ARM micros in both mbed and Keil before, but i'm new to Nordic Semiconductor...