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...
Hello,
My board is connected to Gyro, Magneto sensor.
And board is sleep and wake-up by GPIO.
It usually works well. But time to time after wake-up from sleep mode...
Good Morning!
I try to update the modem firmware of a nRF9160 chip.
When I connect it with the nRF Connect v3.6.1 - Programmer (v1.4.10) and try to update the modem with...
Hi all
For the nRF52832, the total maximum sink and source current is recommended to be 15mA in this devzone entry .
Unfortunately, it seems like there is still no value...
I want to add an external button that mimics the properties of the buttons in the nRF52 DK. I read that the switches are all active low, so I assume that this means they are...
Hi,
in peer_manager.h and id_manager.h the docs say a function can return
BLE_GAP_ERROR_WHITELIST_IN_USE
But the error code is called
BLE_ERROR_GAP_WHITELIST_IN_USE...
Hello,
I have an nRF52840 on a custom board. The nRF52840 has been pre-flashed with the Adafruit UF2 bootloader for early development exploration. As the project moves forward...
Using SDK15.3 and S140
following from my previous support request regarding TWI sleep current, I got the newer AIS2DW12 accelerometer and I have successfully connected...
Hello everyone!
I want to develop and app the sends some sensors data over BLE.
I am trying the peripheral_uart sample of the NRF Connect SDK but it seems that I cant...
Hi, there:
based on \\nRF5_SDK_17.0.2_d674dde\examples\ble_peripheral\ble_app_uart\pca10040\s132, I need add justworks BLE secure connection.
Do you have any document...
Hello, I want to use Multiple Connection (Multiperipheral sample) to connect with multiple IOS phones at the same time to implement UART. Currently, up to 9 units are set...
I am trying to advertise the shotend name of the device no the complete local name, so code looks like follow
After scanning I can still find the name in the advertisement...
Hello, we are using nordic SDK 16.0 and mesh SDK 4.2.0.
In our project, sometimes at the start of the program, we are running into line 280 of mesh_config.c, a debug assert...
Hi, I am using nRF Connect SDK 1.5.1 with the nRF9160 Modem Firmware 1.3.0
I have implemented an application on the thingy91 with the gps driver (continuous mode) and the...
Hi,
I want to build a mesh network which includes least 12 server node an 1 client node.
I used light_switch example to send 12 byte message packets to client node from...
Hello, in my project i simultaneously use MPR121 touch sensor controller and GPS module connected to UART0 of nRF52840 (custom board). To handle touch events, i use MPR121...
