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...
Hello All,
I was wondering if someone can confirm the consumption of the nRF52840 in SYSTEM ON when running the Power Management Example on the nRF52840 DK board (in nRF...
My end object is to connect the peripheral to one required central. It should not get connect to another central or to the nRF connect app.
I have gone through many example...
Hi everyone ,
I'm looking for the ULPMark score for the nRF52840.
On the EEMBC website, I 'm seeing that Nordic Semiconductor is a partner, but I don't find any information...
Hi,
we are late stage development on NRF52840 with sdk 15.0 and softdevice 6.0. The mind turns to certification. It all seems very complex and confusing
1) Do we need...
I have an nRF52840 based peripheral running SDK 15.3.
I have a custom service with a write characteristic and a read characteristic. The peripheral supports multiple connections...
As far as I can tell the values are inverted.
4.8.2.2.1.1 Occupancy Attribute
The Occupancy attribute is a bitmap.
Bit 0 specifies the sensed occupancy as follow:...
Hello
I am using nRF52 DK, I am trying to use PIN 30 as Pulse train. The following while loop is expected to send out Pulse train of 2microseconds period but instead, it...
As far I know BLE mesh uses the 3 advertisement channels for communication without any synchronization mechanisms. When the mesh protocol emits a package it will send the...
Hi
Why is Mac OS no longer listed as a supported operating system for the nRF Connect SDK (see http://developer.nordicsemi.com/nRF_Connect_SDK/doc/0.3.0/nrf/gs_ins_os.html...
Hello,
I have a question regarding BLE characteristics and bi-directional communication. Assume a service like Nordic UART Service (NUS) is used, then there are two characteristics...
Hi,
we tried the example from the NRF SDK (15.3) with the USBD_MSC. The logging looks good so far and we have a data micro USB connected to the nRF USB Plug of the dev board...
Hello All,
I have 2 evaluation boards nrf52840 EVB "PCA10056".
I would like to run on them the "ble_app_uart" in "nRF5_SDK_15.3.0_59ac345" as following:
A custom board...
I used nrf52832 to port the program from SDK14.2 to SDK15.2 and there was a problem. In SDK 15.2, the program functions normally in the online debugging state, but the function...
I like to use 2 server boards and 1 client board in mesh as custom model. Is it possible to use client to communicate with 2 or many server's without using instance in client...
