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 am working on an application in which I need to store large amount of data in the flash. I have successfully integrated FDS Module in my application and I am able to store...
Hi,
The XTEMP, XPOFWARN and XVBATLOWLVL commands all allow you to set thresholds for temperature/voltage at which the modem sends a notification. When is the voltage/temperature...
Hello,
I am trying the DFU over serial example in the SDKv16.0. I am following up the tutorial here: https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter...
I am working with an older version of the https://github.com/NordicSemiconductor/nRF-IEEE-802.15.4-radio-driver and the https://github.com/NordicSemiconductor/nrfx . Which...
Hi
Apart from Direction finding, there is 3 major enhancements in the Bluetooth 5.1 core spec.
Reference: www.bluetooth.com/.../1901_Feature_Overview_Brief_FINAL.pdf ...
I search for an LTE modem for a small device. (between 10000 or 100000 parts per year)
So I need something to play with it to learn what is possible. (for example battery...
It's not clear to me the difference between RAM[n].POWER, RAM[n].POWERSET and RAM[n].POWERCLR. I'm assuming that you use RAM[n].POWER to read the contents of the registers...
Hello,
The following defines can be found in nrf52_bitfields.h. Are all these register values used for REV 1 chips? In otherwise, the last digit isn't significant? If...
I am using the example project for Uart Central. I have a lot of messages transmitted out of the Uart. Unfortunately the Uart transmits some characters but does not transmit...
We are consistently seeing a BLE disconnection after being connected to an iOS device for 40 seconds. On the iOS side, the log output at the time of disconnection says: "...
Hello,
I would like to know if someone has experience with embedding lua script language (not elua) on a nrf52 kit, with SES or other IDE.
Or is there some nice tutorial...
Hi, I am learning how to merge two files together to be able to transmit temperature data via UART. These were the steps I have undertaken to do so:
1. Copy pasted the function...
Hi i am new to learning Nordic SDKs and I am working on adding custom commands to a BLE example using Nordic UART Service ( here ). I tried to apply this concept over to the...
I sent the AT instruction back correctly with the serial tool sscom5.13.1
I sent the AT instruction error with the secondary function: at_cmd_write ("AT-CGDCONT?," buf,...
1. When using SEGGER Embedded to use Chinese comments, the cursor display will appear abnormal lying each time Chinese characters will move the cursor only half a character...