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 All,
I'm currently working with a custom board using the NPM1300 and STM32L4, alongside the npmx drivers. I'm trying to capture both pressed and released events from...
Hi, I'm currently in architecture definition stage, and I'd like to know more about the possibilities driven by Channel Sounding. From what I understand, you can only perform...
Hi,
I have two nearly identical revisions of a board with an nrf5340 which behave differently in a curious way:
On one revision I can issue a "mon reset" command in...
Hi.
I working a central and peripheral device which will connected with 4 sensors. sometime after disconnect and reconnect. the device will got fatal error in service...
Hi all,
I'm encountering an issue with the TWIM30 interface on the nRF54L15 (pins P0.03 - SDA, and P0.04 - SCL), using vanilla Zephyr v4.2.0-rc1.
The setup involves external...
Hi,
I want to configure P1.02 and P2.06 as normal GPIO for my nrf54l15 custom board. For this I have added the following in my .overlay file
From https://devzone.nordicsemi...
We are developing a product that will have a wireless and wired option, based on the NRF52840
The strategy is to release the wired option first, followed by the wireless...
Hi Friend,
I am using nRF54L15-DK,NCS2.9.1 to drive INMP441 to collect voice. I take the I2S_echo Zephyr example as base. I can found the config a s below but it doesn't...
Hi
I am working on a BLE repeater which is central and peripheral application. which will scan and connecting with sensor device , and advertising for phone connection....
Hello Guys
I'm currently working on a BLE AoA (Angle of Arrival) application using the nRF52833 Development Kit . I’ve run into some challenges regarding hardware connectivity...
This is the command I used to generate setting.hex.The primary address of my app is 0x19000.
This is my hex distribution. The library used is nRF5_SDK_17.1.0_ddde560....
We designed a board based on the nRF52840, and are using nrf5 SDK 17.1.0 with S140 SoftDevice. We are using a QSPI flash, MX25U51245G ( https://www.macronix.com/Lists/Datasheet...
My task is to mount a littleFS system on the external flash memory, so I can save files.
I am using the littlefs filesystem sample from
zephyr/samples/subsys/fs/littlefs...
Hi everyone,
I’m designing custom hardware for my application using the nRF54L05 MCU (v2.9.0) . However, I can’t connect to the device from iOS — the connection always fails...
