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 just replaced SDK 14.0 with the shiny new SDK 14.1 in my project. My project uses components from the SDK, but I don't use the exact same structure. Once again, it won't...
My Environment
Nrf52840
SDK : nrf51_15.0.0
soft device : s140
Target : Scanner (central)
I am trying to set GAP parameter for listening single channel that is...
i use sdk14.2 52832 i use uart
UART0_CONFIG_USE_EASY_DMA =1 consumption ~2.1mA
UART0_CONFIG_USE_EASY_DMA =0 consumption ~650uA
Is this a normal phenomenon, is it true...
Hi,
I have a Development and Evaluation board by Waveshare and i have a nRF51822 board. I have downloaded the nRFgo studio and i have used a USB to UART board and connected...
Hi
I am developing an application where nrf52 acts as a BLE central
Specifications requires that this node should connect to a peripheral with a specified name, obviously...
I have 2 services are running using 16 bit UUIDs and now I am adding another service using our_service.c and our_service.h files but my program is crashing and leading to...
Hi Everyone,
I want to use the QSPI protocol to write data into the external 64Mb of Flash memory provided onboard of nrf52840 PDK.
I am able to run the QSPI example alone...
Sorry Nordic engineers , I'm asking urgently , goods need to come out quickly
chip:nRF52810
SDK:nRF5_SDK_15.0.0_a53641a
examples:ble_peripheral \ ble_app_uart
external...
The iOS source code located here github.com/.../IOS-nRF-Toolbox does not build.
I'm trying the debug the app code in Xcode but there are missing files:
"nRF Toolbox...
The production line is waiting , I'm sorry to ask that it's urgent
This debug tools display nRF52810 UART Tx is Successful
If I add the code
case APP_UART_TX_EMPTY...
I am attempting to add DFU capability to an nRF52 based product but have run into an issue. I was able to successfully build the boot loader and flash it to the device. I...
Hello,
I am trying to make my own model and I'm using the simple on-off model as a guide, but,
I have some confusion for the function signatures of the callbacks for the...
Hi,
We are planing to use N52832 to design a product using BLE secure feature. Our customer want to know whether the key exchaning procedure is using ECDH (P-256 elliptic...
I've looked at how other projects handle sending large amounts of data and they all use a derivative of the TX/RX scheme that is used in the image transfer demo. The Peripheral...