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...
In ble_app_uart, the tx and rx characteristic uuid are shown below, and it supposed that the Tx characteristic enable notifications while the Rx characteristic enable write...
The hardware I am using is based on nrf51822/pca10028, with s110 SoftDevice version, and the SDK version for the project is 8.1.1 Using Keil uVision 5.21.A
When opening...
Hi,
I am running the mqtt subscriber example provided in IoT SDK (nrf5_iot_sdk_3288530).
I am using raspberry pi as router, and following the infocenter tutorial .
I have...
Hi ,
This is the first time I am using nRF52 and I don't have any experience about Antenna design. Here is my question: I am using nRF52 CIAA variant and planing to use PCB...
Hi,
I need to change advertisement data while advertising. The goal is to set new data for every packet. Firstly, I was trying to put new value like this, but it didn't...
hi all:
Recently, I develop with nrf52832, the softdevice is nRF52_SDK_0.9.0_0c82e3e.
In my application, I need a big buffer, so 32K ram can not satisfied. As the errata...
Hi all, we designed a custom board using nRF51822 now we need to test these custom boards working properly are not for these I'm creating a factory test project by configuring...
Hello Nordic Semi Developers..
I design my Product prototype using NRF52832
What is the plan of Nordic to provide SDK to support NRF52832 dynamic Mesh with
[1] Over The...
Hello,
I want to read the current ticks in RTC0, and want to measure the time elapsed after some events by using ticks to milliseconds.
Basically i want to display the...
Hello,
I need a little help regarding IoT-SDK 0.8.0 on nRF51.
What I want to achive:
Get the IoT-SDK 0.8.0 MQTT-Example running on nRF51 and publishing sensor data...
I am using nRF51 IoT SDK and nRF51-DK.
After setting up Raspberry Pi3, I ran icmp sample in the SDK for testing ping6.
when sending about 60k byte, we could not send the...
Hello, I used to think that handles are just a member of a stuct or perhaps a field of a packet, which is used to identify data payloads.
Now it seems that I might have...
Hi,
I have a problem with the nrF8001. I connected to STM32F4 and I use the nRF8001 SDK v1.7.
I need send several (less then 20) bytes from the device to the phone with...
Hello,
I used nRF5_SDK_12.1.0_0d23e2a, SoftDevice 8_9_0, the ble_app_uart_c example code.
I want to add the timer, after add the following code, my system can't work....
