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 Team,
In my application I m using NUS and and a custom service.
Everything works fine in redmi note 4(android version 7),Lenova K9(Android version 8) and Samsung Galaxy...
Hi,
I'am trying to program my nRF51822 module using keil IDE. I have taken some example code which is present in the SDK 12.3.0 and soft device-130.
Please let me know...
Hello
When I send data over BLE, I got this messages in debug terminal.
<info> app: Debug logging for UART over RTT started. <info> app: Connected <info> app: Data len...
I have seen other post on this issue but they are not helping. I am using the bmd 330 to run ble_app_uart. It compiles and advertises correctly but does not send the tx and...
Hi,
I am facing issues in Flash Data Storage (FDS).
Here, nrf_fstorage_write function is returns with NRF_SUCCESS but not writing in actual memory location. While nrf_fstorage_is_busy...
Hi. I am now at the stage of creating a new project. I want to include DFU over the air support in it. So, how can I do this using the example of two projects (secure_bootloader_ble_s132_pca10040...
How do you use the nrfx_temp driver in a project? I'm on SDK 17.0.2, segger, and an NRF52840-DK board. I see the old HAL temp sensor is deprecated and it seems to always return...
Hi,
I have been using a certain 16MHz oscillator up until now without any issues, and now wish to replace it for logistical reasons, what kind of testing are recommended...
I'm designing a product which incorporates a magnetic sensor (MMC5633) and a Bluetooth microcontroller (NRF52832). The sensor and bluetooth chip share the same ground plane...
hi,
We have some products that have been sold out(hardware:52832,software:sdk13,softdevice:s132_4.0.3).I want to upgrade their sdk to 15.3 through DFU.I learned in the official...
Hello,
I'm trying to modify the current ASSET_TRACKER of SDK v1.4.1 to get it to work in my own server on AWS-IoT.
I'm wondering if there is any documentation about this...
use SDK17.
central uses nRF52832 and peripheral uses nRF52810.
I want to implement the exchange of data with each other.
First, the central scanned and connected.
...
While using NRF52840 SDK with twi_scanner i am able to see i2c address 0x68, but while using zephyr unable to get the data.
I have seen I can configure i2c pins in board...
As I'm new to the BLE, I'm trying to make use of examples enclosed in the nRF5 SDK.
Now, I found that there exist several functions that seem like do similar things and...
1.4.8 programmer is complaining 'Error while getting readback protection' when connecting to the BL651, 453-00005.
Used to work.
Seems to connect OK to BL652-SA-01.