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...
Hi,
I m using nRF52840 dongle to setup the nRF5_SDK_17.0.2 .
Besides, the related software and the Segger Embedded Studio are installed.
Occurred Problems :
When...
Dear members,
How can I wake up the system after idle ?
It goes to main loop, but never wakes up if there's a signal from HRM,BSC or B.Power after search time out and...
Dear everyone.
Sorry for my cheep question.
We are using nRF51822 as Bluetooth4.1 with Softdevice S120 and S110 .
Is this device affected by the "BrakTooth" attack?...
Hello,
I am currently working on a project that requires to sample a 50Hz sine wave and transmit the data point over BLE, which will need around 10 - 20 samples per cycle...
Hi There
I’m hoping to implement a low power always-on/listening (response time <10s) industrial product in the UK
I’ve spoken to several acquaintances and had conflicting...
Hi All:
We are using nRF52840 SDK with BLE Mesh sdk5.0 to develop bluetooth mesh and we can use light_sw_client to control the LED1 state on the light_sw_sever via BLE Mesh...
I am using PC code derived from pc-ble-driver heart rate collector with a nRF52840 dev board
On adding characteristics sd_ble_uuid_vs_add() I get an error of 4 - NRF_ERROR_NO_MEM...
I have an nrf52832 acting as a central device that is trying to connect to a peripheral. However, after the peripheral disconnects and the central tries to reconnect I get...
Hi,
I was looking at this page https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/gs_modifying.html and saw the following line:
"When building your application...
I am getting an NRF_ERROR_CRYPTO_RNG_INIT_FAILED from nrf_crypto_rng_backend_init during the sm_init sequence. Any suggestions on what might be causing this?
Hi Sir/Madam,
Our project needs to use TEE on nRF5340 which seems to be implemented by TF-M for now and future. After investigating the implementation, I didn't find a...
Greetings,
What is the minimum low pulse required to externally reset the nRF5340?
I see this answer for nRF51 and this answer for nRF52 . Can I assume nRF53 will be the...
