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 am using Uart1 on nrf52840. This is implemented using nrf_serial library. I have set buffer size to say 10, so event occurs on every 10 bytes reception. Now I want...
Hi,
I have been looking at the Nordic examples and I found them to be pretty slow with the handlers being the bottleneck as opposed to the actual hardware. I was wondering...
I'm developing an application to support multiple concurrent central-and-peripheral connections. It's a bit messy but is just about working. At the moment I'm using SDK 9...
Hello All,
I am facing problem in compiling uECC.c on windows10.
Please any one tell me what is the procedure to build and compile that file.
I have tried on the compiler...
I have a question about the relationship between SDK and sotfDeivce.
I want to use nRF SDK v15.3.0. I know that the document has the following description.
This version...
Hi,
I have no idea why the original libraries are giving me errors such that I didn't change anything from the driver.
Please let me know if I need to do anything in...
Is there a set of directions for configuring the peripherals for the nRF9160 SPM.
I need to change the default configuration shown in the SPM sample.
I tried editing the...
Hello,
I am using nRF52832, SDK_15.3.0, S132 SoftDevice and Segger for flashing the image. I am using ‘ble_app_blinky’ and “nRF Connect” app.
To save battery, I want...
Hi,
I am in the process of upgrading our project to work on the version v0.4.0 of the SDK. I managed to make it build but I had to remove the code that depends on the configuration...
We use the app scheduler in our app and I recently needed to increase the EVENT_SIZE passed into APP_SCHED_INIT. I changed it to a value that is not an event 4-byte multiple...
Hello,
I am using SDK 15.2.0, nrf52840, s140.
We are using SPI for an analog Front End initialization. SPI initialization works successfully done. But when we read or...
I have one node.
This node have two model.
I want to one model having relay function, another not relay function.
This function can implement?
SDK : Mesh SDK 2.1...
Dear experts,
Currently I'm using the peripheral device(s130 softdevice) and central device(s120 softdevice) both base on nrf51822 to evaluate BLE connect time. The connection...
I am beginner in nrf programming. I want to use NRF-ESB protocol to communicate between my Rx & Tx device with maximum battery saving techniques. For this i am using nRF5_SDK_12...
