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...
Hi,
I'm trying to modify the light bulb example and turn it into a light switch (not a light switch that controls another bulb in the network), but I'm quite new on the...
Hi,
I've noticed that there was an issue with ble_nus in SDK 15.3 - detailed in this post .
I'm using SDK 17, and in my application, I don't check data_handler != NULL...
Hi. I am using nrf52840 with Softdevice 16.0.0.
I set the maximum size to 247 bytes. But I probably only need 68 bytes per packet.
Should I reduce my MTU size to 71 or...
Hi everybody!
I'm currently working on some firmware updates for a motion sensor. The code was originally developed with SDK15.0. The setup is as following:
NRF52840...
Hi,
I was trying with the aws_fota sample, I follow the instruction here and download the app_update.bin with no problem. After it shows completed in 100%, device reboot...
Hi,
I am measuring the time taken between an ANT application sending a message, and a receiving ANT application generating an EVENT_RX. This time is being measured using...
Hi,
my environment:
nrf5340 dk
nrf connect sdk - 1.5.0 version
segger studio IDE
we need a provisioner to add node into the BLE mesh. As per my knowledge, we...
Hi,
I have a few questions about how the peer list works. (using S132 v 7.0.1 and SDK version 16)
How or when are peers added to the peer list of the Central? Are they...
Hi Experts, I have a short quastion, what is the minimal RX-RX turnaround time of nRF5340? Unfortunately this parameter is not available in the specification any more. For...
Hi , i try to translate the arduino library using this URL github.com/.../src
to manipulate the spo2 oxygen concentrator value using the max30105 sensor I try to configure...
When I set tx_power and paired with the following microcontrollers, the power consumption of the 4dbm setting became larger than that of the 0dbm setting. Is this an effect...
Hi,
I am currently working on SDK 15.2.0 on my NRF52840 DK to program a bootloader that can do DFUs over SPI. I have been following the protocol found in this link . I have...
I've made a handmade external Bluetooth FPCB with nrf52832.
I uploaded code with NRF DK board and checked that it is uploaded. So the circuit does not have any problem....
