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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
I am working on slowing down the connection interval in the secure_bootloader_ble example to reduce the average power usage. I've successfully slowed the interval down to...
Is there a direction finding example in the nRF5 SDK, either with the nRF52833 or the nRF5340? I came across the nWP-036 white paper but was unable to find an implementation...
I have been working with the pc-ble-driver on the PC. Now I want to move my code to the nRF51822 and nRF52840 chips. Starting with the DKs first.
On the PC when I get an...
Hello
I'm using mpu6050 to get the value of roll,pitch,yaw. I used a filter to get it right. The roll and pitch are good, but the Z-axis yaw has a strange value.
There...
Hi everybody, thanks for your time.
I try to develop an iot board with FOTA. To do so, I have a custom bootloader (address 0x00000000 in flash ) who perform the following...
Dear Members,
How can I increase ANT+ BSC time out ?
I read from nRF5_SDK_17.0.2_offline_doc/nrf5/ant_examples_bicycle_spd_cad.html
User interface
If a time-out occurs...
Hi,
How to get a same interval between the two events . I am seding the data from nrf52832 to phone every 1second . I want a uniform interval between the two data please...
Hi there,
I've set up an nRF52840 DK with an external power supply of 1.8v and also connected the USB IF MCU to my laptop. I've positioned the VEXT->nRF switch to "on" and...
I am creating a BLE central device. This device has to communicate with BLE advertisers to collect some data from them and then send this data to server. I am currently achieving...
Hi,
My project already has the ability to DFU throw BLE.
How can I add to it the Serial DFU throw USB ?
Is it possible to have one boot-loader that can handle both...
Hi there!
I have run light switch example for Mesh demo but no activity could be found via nRF Mesh app even my dongles have never been provsioned.The version of SDK and...
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...
