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...
Good day!
52840 datasheet states " If the power failure warning is enabled and the supply voltage is below the threshold, the power-fail comparator will prevent the NVMC...
After the MTU size exchange of 247 bytes with Android LL_LENGTH_REQ/LL_LENGTH_RSP are exchanged with 123 byte octets for TX and RX. Data flows properly after that.
But with...
Hello,
I'm working on NRF52840 drivers for custom hardware using Nordic's FatFS / SDIO drivers and a tickless FreeRTOS configuration. When I load the demo code (fatfs demo...
Hi There,
ISSUE:
New Nordic Thingy:91 will not connect to the LTE network, it is giving "LTE link could not be established." and then rebooting.
Things I have tried...
Hi All,
I'm working on adding simple melodies (2-5 tones) to my app using the I2S module and i'm facing some problems:
How do i determine the tone?
Can i determine the...
The supl domain name doesn't resolve.... SPM: NS image at 0xc000
SPM: NS MSP at 0x20027508
SPM: NS reset vector at 0xe965
SPM: prepare to jump to Non-Secure...
To the kind attention of Nordic support team,
Let's please consider this scenario:
PCA10040 with ble secured bootloader already installed
PCA10056 with usb bootloader...
I'm confused by this because I believe I am writing to the correct LED Characteristic. The code looks like:
...
if characteristic. properties . contains (. write ) { ...
Hi
I would like to use an ENUM and STUCT within my application to maintain device state (IDLE, RUNNING etc). This state needs to update a BLE Characteristic. I have the...
Hi
I'm currently testing a microphone, I only want ADC reading from it to show how loud the sound is, so kinds like volume.
If I only using simple ADC to read the number...
I am using nRF5 SDK 15.0.0, nRF52832 and SES v4.50.
I have read some posts about this, but cant get the NRF_LOG_INFO() printed anywhere but the Debug terminal.
In sdk_config...
Hello. I am using and modifying long range demo master from Nordic PlayGround, which was originally developed in sdk 15.0.0. My purpose is to change it so that it will dynamically...
I checked the gps sample program on nrf v1.2.0.
AGPS function downloads GPS assisted data from SUPL server through LTE.
What if I do band lock while using the AGPS? Does...
Is it possible to send a CW signal at 806 MHz with the command "AT% XRFTEST = 1". The frequency 806 MHz is downlink from band 20. To optimize the antennas it would be ideal...
Hello! Is it normal, that there are 2 applications in memory after secure buttonless DFU update? Please see screenshot of memory map:
I used SDK version 16. Shouldn't...
