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!!
I have explored extended advertising using both nRF5 SDK and nRF Connect SDK. Using nRF5 SDK, it is not possible to advertise 1650 bytes in an extended advertising...
Hello,
SDK17.2, keil5,nRF21540-DK
my project use i2c and spi, but got error:
Error: L6200E: Symbol SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler multiply defined (by...
Hello,
SDK17.2, Keil5, nRF21540-DK,
when change DCCH to 3.3V as above codes in main first,
(1). the uart will can not work ,
(2). change pin to high voltage as follow...
I get some message from Nordic.I want to give my IQ sample to MQTT.i see that they give me information about a API of MQTT.
But i can't use it,can you give me the more information...
Hello !
What extra field need to be included ti MAXLEN calculation in case of Ieee802154_250Kbit radio ?
CRC , len ? I try to limit total amount of received bytes but...
Hi,
I have nrf52832 dK and know how to configure them in code.
I have studied BLE supports the LE 1M phy and LE 2M phys from BLE core specifications.
I know about the...
Hi devzone, I've had UART communication problems between nRF52 and a BG96 modem for a long time.
today I added a pull down resistance on the rx of the nRF52 and it works...
Good day,
I am currently developing with two NRF52840 DK boards, and I also have two NRF Dongles. On a dongle a sniffer for ZigBee. I am working with SDK 3.2. This is my...
Hi i want to make a low power delay ms (blocking) function for nrf52805 without softdevice and without NRFx, just writing to the registers.
The RTC1 events_tick never...
What is the recommended way to do DFU over Mesh in Zephyr? I saw DFU documentation in nRF5 SDK for Mesh v5.0.0 but not sure how this relates to Zephyr
Can you point me to...
Dear Sirs.
I bought thing91 and nrf9160.
I have connected the thingy 91 with nrf9160dk with prog/debug cable but I dont able to debug the application on the thingy91....
Hi,
I have this development board https://www.nordicsemi.com/Products/Development-hardware/nRF9160-DK . I would like to use development board as nb-IOT modem and other MCU...
I am just getting started with the Nrf52840 dongle and trying to flash a few examples from the SDK. I was able to flash the "blinky" example just fine using the programmer...
Hi,
I have been trying to interface GSM modem with nRF52840 using LPUART (nRF Connect SDK). I have used below pins for connections:
nRF52840 - GSM
P0.21 (TX) - RX
...
Hello,
Now I am developing firmware for nRF5284 DK, and the one of the requirement is the voltage keep in 2.1V.
Is there any possible I can modify the voltage to 2...
