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 see some issues when I use HW whitelist with random address type.
What I do is:
set address in DAB[] and DAP[] register
set DACNF to 0x0101 (ENA0 and...
i want to connect nrf51822 with android phone via bluetooth. can you tell me which code i have to burn from sdk of nrf into the nrf51822.what are the requirements for making...
Is there a way to configure AAR so it can do address match for extended advertising packets?
For legacy we had to:
put address into DAB[] and DAP[] registers
set...
Hello everybody!
Feel free to read this question for more background information:
devzone.nordicsemi.com/.../
I'll give everyone reading this a quick bulletin run...
Hello all,
I am newly started working on nrf840 device and i am getting the error like "flash download failed-could not load the file" please help me out to over come this...
Hi, I'm developing a new device using the nRF52832, I have finished the schematics design and I'm wondering how can I simulate the design to check if there is any mistakes...
Hi all,
I am using SDK13 with NRF52DK. I am trying to get NFC to work with a reader and encountered some problems.
I have tried 3 different examples, record_text, writable_ndef_msg...
I am trying to use nordic nrf51822 and transreceive data through ble_app_UART
and (Android-nRF-Toolbox) github.com/.../Android-nRF-Toolbox.
But i am not able to compile...
Hello,
In the reference layout for NRF52840 package (QIAA), the shape defined in the SOLDER PASTE is a bit larger than the one defined on TOP LAYER (copper) for each terminal...
We have a product that uses nrf51422_CE_AA, Revision 3, 256KB ROM, 16KB RAM, PCA10028, SDK 8.0.0, S110. We are now in the stage of power optimization. Therefore we bought...
Hello,
I have used the NORDIC power calculator to calculate the current consumption for different advertising intervals.
Adverting interval (ms) Current (mA) calculated...
Hello is a starter developer
I used the nrf51822 chip on the pcb board and downloaded the example code but it did not work.
When I checked the 16mhz external crystal on...
Hi all,
I am a bit confused about the use of SOFTDEVICE_HANDLER_APPSH_INIT and similarly APP_TIMER_APPSH_INIT. I've not been able to find anything in the documentation...
nrf52840, S140.
So for the past 1 or 2 weeks I have been fighting with this problem :
Now it turned out that the connection handle may actually be INVALID, it's 0! ...
I am using nRF52840 DK as a SPI slave with an external MCU configured as SPI master. The SPI clock frequency is set to 1 MHz. I am using the following pins for SPI:
P0...
