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 trying to add an extra service from an exiting nordic example code:"experimental_ble_app_blinky" into another exiting nordic example code: "ble_app_hids_keyboard".
...
Hello,
I'm encountering a very strange problem while attempting to run an fstorage fs_erase operation on my peripheral device when the central is connected. This is on...
Hello,
I want to make a device that use a Zigbee SoC and a nRF51822 for BLE, and I want to make it in the same board, that imply to have two antennas in the board.
I...
Hello,
This is Milav Form Teq Diligent,India.
I read the Bluetooth core 4.0 pdf.
In that they defined the " Park State " .
is this state are available in nRF51822...
Are any of the freeRTOS examples Power Optimized? I've looked into other related posts but not sure anyone is seeing the same issues I'm seeing. I'm using a Rigado BMD300...
Hello: I'm about to test out the ble mesh dfu, and to do that I need to flash my device, which is nrf52840, with precomped bootloaders.
Now here is the problem: Which one...
We need to certificate our ble devices. I use DTM example. Already I connected to device and flash example. Which correct command can I send from PuTTY console for check that...
I have trouble making iOS to reconnect after a device firmware update: I assume the issue
is due to flash being rewritten and so loosing information about the iOS peer.
...
I'm wanting to design a mesh system that will be running on batteries.
I need to keep track of the battery voltage. I don't plan on monitoring it often maybe a few times...
Hi All,
I am trying to interface an SPI OLED display 128x32 with my nrf51422 development kit over SDK 12.2.0 with BLE. After the program gets compiled, i am getting this...
I am designing a board with a host cpu and Nordic nRF52832 as companion chip in order to have Bluetooth capabilities; the two SoCs are connected each other through the uart...
Hello,
I've been trying to program my nrf52832 board with an st link v2 dongle or an st32 disco board with no luck with eclipse(Didn't find a dedicated tut for using all...
Hello
i am using the nrf52840 with sdk 13.
on the client side i saw you are catching the cccd_handle. for the heart rate characteristic.
basically i am leaning the basic...
Hi all, is it possible to use NRF51-DK for Master Control Panel?
I dont have NRF51 dongle so I was thinking if there is a way to make NRF51-DK work with MCP.
Hi,
I have the following situation:
1 central connects and bonds to 2 peripherals. All the above 3 devices are power cycled.
Now, the central need to remember the...
