Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
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...
I am using a nrf52840 dongle with SEGGER. I am trying to find the security mode and level of the bluetooth initially and after getting paired to another device too. My moto...
Hello. If using an nRF52840 as a coordinator, there seems to be a hard limit of 200 connected devices:
#define ZB_CONFIG_OVERALL_NETWORK_SIZE 200U
At least that's how...
Hello:
I have a problem here:
Connecting ... - Connecting via USB to probe/ programmer device 0 - Probe/ Programmer firmware: J-Link OB-nRF5340-NordicSemi compiled Apr...
Hello everyone,
I am planning to use the nRF9160 as the main microcontroller for my project. Alongside this, I need a Bluetooth module to transmit data to a mobile phone...
I'm using an nRF52840 as BLE peripheral with a custom service similar to NUS to send large data. The data is send in 4k chunks via BLE notifications to an Android phone. With...
In the nrf5340 Product Specification, the GPIO registers OUT, DIR, LATCH, DETECTMODE, DETECTMODE_SEC, and PIN_CNF[n] are all labeled as "Retained Registers". The definition...
I have had luck setting up signatures using MCUBOOT and sysbuild. However, I have not been able to encrypt the images. sysbuild.conf: SB_CONFIG_BOOTLOADER_MCUBOOT=y SB_CONFIG_BOOT_SIGNATURE_KEY_FILE...
I have a product that uses the nRF5 SDK that I do not plan to migrate to the nRF Connect SDK. My product uses ocrypto 3.0.8, which shipped with the latest version of the nRF5...
Hello,
I have an NRF9160DK board and a custom board running the SLM application that are exhibiting similar behaviour. Both boards work fine with the supplied iBasis SIM...
Here's a weird error, that started happening seemingly overnight: paths being parsed wrong on windows due to path separating backslashes being interpreted as escape sequences...
Hi,
I have done some searching and cannot find a direct answer to this. I have a gpio pin defined in a custom device in my board dts. I want to set this pin to high drive...
Is it posiible to use bt_disable on the nrf5340 board? for some reason it doesn't work, returns and error on this line:
if ( ! bt_dev . drv -> close ) {
return - ENOTSUP...
Hi all,
I need to modify the app.overlay dts overlay in mcuboot to be able to see the printout, among other small details. I was able to change them in the "C:/ncs/v2.5...
I'm switching from STM32 to nRF52840 and it's for a battery-operated device that only wakes up every few hours and only stays awake for about 10 seconds. With the STM32 (and...
One of our products uses the NRF51822 for Bluetooth communication.
This product is now undergoing CE certification. Is there a CE DoC (Declaration of Conformity) for the...
