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...
Hi,
We are using nrf52840 development board and segger embedded studio. I am using thread concept here to run another function in parallel to my main function. i want to...
Device: nRF52840, nRF5 SDK16.0, Softdevice: S340 (ANT_s340_nrf52840_6.1.1)
Hello,
As next step to increase usability of our product and adding new features, we have...
I hope someone is able to answer a few question.
I read quite a lot but still some things are still confusing.
If we use e.g. the AMB2621 Module of Würth, is skipping...
Hi,
I am trying learn about IO/ events that can wake-up nRF52833 from lowest power mode.
What qualifies as event that can serve as wake-up source?
Is it possible to...
Dear sir,
Got error while uploading .zip in DfuTarg as "SD version failure". I'm using nRF52840 DK board. I have tried to create .zip by --sd -req 0xB6/0XAE/0xA9. zip get...
I'm curious what the modem does if, upon waking up to service the PSM interval, it fails to connect? Does it go back to "idle" and try again on the next PSM interval or does...
Guys, In a Mesh project, when setting up flash manager:
How do you get the right value of flash_manager_config_t.p_area ?
And where and how is it configured?
Thanks...
Hi ,
I wirte a python script to download FW to nRF52832 custom board, the FW is the merged file with softdevice(s132_nrf52_7.0.1_softdevice.hex), bootload, bootload settings...
The version used is nrf5_SDK_for_Mesh_v5.0.0_src.
nrf5_SDK_for_Mesh_v5.0.0_src\examples\light_switch\server.
Question 1: I want to turn off mesh broadcasting first,...
Hi
data sheet of the nRF52840 states that the QSPI port pins should be initialized to "high drive".
I've experimented a little bit because I have problems with a Macronix...
I have connected a BM680 sensor on a BL654 (NRF52840) via I2C. I have connected the power to the BME680 on a switchable power rail. I need to power this rail with a GPIO pin...
I am trying to create a test case for in house validation and would like to know how to do so.
Here is what I want to do:
I want to create a boot loader that checks...
Hello,
In nRF5_SDK_17/examples/dfu/secure_bootloader/main.c, the main program starts off with protecting a couple of flash areas:
But how can, after this, an OTA update...
I don’t know what all the XML syntax is, or what program processes the flash_placement.xml file, or what form the output is in, so I don’t know if I have to do exactly what...
Hello, nrf experts.
I have trouble with testing update over ble from main application. Using buttonless dfu example. But when I'm connecting to nrf dev kit, nrfConnect on...