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 am currently evaluating options for integrating Bluetooth Low Energy (BLE) functionality into a medical-grade device that requires time-sensitive communication...
Hi,
I recently checked support of MCUBoot validation and from NSIB for nrf54l15. (sdk 3.0.0 and above)
During this, I enabled Signature algo as ecdsa-p256.
And...
There are two USB ports. IMCU and nrf5340. I had a lot of trouble with bad cables but i found one that works and I find that I have a jlink drive that pops up so I know there...
Hi Sir
The npm1300 allows setting the default voltage using resistor values as shown in the table below. However, if I want to set the voltage to 1.05 V using resistors...
I am working on synchronizing RTC timers on several nrf52832s and i would like to have a single clock clocking all the RTCs on all the boards. I understand that the LFCLK...
I thought I had been extremely careful to _not_ brick the device, but apparently I did.
I created a firmware-dfu.zip file, even with appropriate keys, etc. as below.
...
We're developing a low-power application on the nRF9160 where we need the device to stay connected to the server over LTE, so we cannot enter System OFF mode. Instead, we...
Hello,
I am developing a product using the nRF54L15 and have noticed a discrepancy in the documentation regarding clock pins. My intention is to use pins 1.02 (SDA) & 1...
Describe Need to repeat disconnect/connect cycle after BT timeout. Problem is when using UART over BT with Nus Shell when connection is terminated by timeout (for example...
How to prevent storage partition from erase durning MCUBOOT firmware update?
I use Settings with NVS to store data
CONFIG_FLASH_MAP=y
CONFIG_FLASH=y
CONFIG_SETTINGS...
Hi, It's looks like I bricked my Thingy:91x . It was working fine when I program it with the target " thingy91x/nrf9151/ns " then later while learning I try program the in...
Hello,
I've got some questions regarding the use of DFU target library. I get my update data from the UART and like to use a setup with two partitions on my device. Is this...
Hello, I am new to android development. I am building an Ble App for some of my work in which I want to include Direct Firmware Upgrade(DFU) over-the-air.
I have building...
Previously, I designed a PCB for the nRF52832 chip using the RFANT3216120A5T antenna ( link ). However, I was only able to achieve a very limited Bluetooth range of around...
