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 have a laser distance sensor module. I want to connect this module with my nRF52 DK(PCA10040). The module communicates over UART:
Supply (2.8V-3.2V VDC) connected...
I want to purchase a BLE development kit. My current preference is nRF51 because there are more nRF51422 BLE modules in the market.
www.nordicsemi.com/.../3rd-Party-Bluetooth...
hi,
I'm using ble central example using S130 softdevice . It works fine without editing anything. In my application, I dont want to put the nrf51822 to System On low power...
We are seeing random connections on our peripheral devices and we have tracked them to a Mac Pro. The computer has never been paired with any BLE devices so we have no idea...
hi
in this pic CODE_R1_BASE is 0x16000 and amount is 88kB
how its size in keil is 0x29000
if i calculate ram we have 8kB
8*1024 = 8192 that is in hex 0x2000 its...
How can I advertise a custom service and the Device Information Service?
I tried the following, but only my custom service is visible in the Nordic Master Control panel...
Hi there,
I'm issuing a STOPRX at a specific time but I'm noticing that more bytes are being put into the buffer from after the STOPRX was issued.
Is there a way to...
Since I've migrated to SDK 10 and updated all my toolchains I've noticed that when I debug on Eclipse, when I run my code nothing happens properly. However if I pause and...
There are various examples in the keil microvision examples for DTM.
The list is below. Is there a difference between these examples?
Which one should we use if our design...
Currently the default for the SPI0 chip select is active low. I would like to change it to active high. Can I do this?
If not can I just have the SPI chip select on a pin...
Continuing with my attempts to get this to work on SES I'm not sure if I'm missing something simple or not.
So using the excellent RKNRFGO (which by the way is much quicker...
There is an error in the gcc makefile included with SDK 5.2.0 that prevents it from detecting when a header file has changed and automatically recompiling the C files that...
Hi all,
I've always been a CSR developer and recently been asked to develop on the Nordic chip. The example code makes sense to me and its not to different to the CSR code...
Hello,
I have a custom board and I am trying to verify the maximum throughput on NRF51822. I am able to communicate with Android BLE stack, however, I need to increase...
Hello! :)
I am a beginner with micro controller programming and want to start with a nrf52
Could someone please explain the difference between the development kit...
