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...
I am not able to successfully use your nRF UART app to communicate with your nRF52840 DK. I get a warning when installing the app that it may be too old for my version of...
I'm still learning BLE development so I apologize if this is a basic question.
Here is a screenshot of a recent capture I did with the nRF52-DK. The bluetooth sniffer is...
Pardon my ignorance of the nuances of Security and Encryption but what I am observing is a bit perplexing.
Every time I run the nrfutil command to generate the bootloader...
Hello, I use sleep_mode_enter() to put the device into sleep mode, however, the RTT print a fatal error after sd_power_system_off(), I don't know whether the device is in...
I'm trying to open a nRF Connect SDK project in Segger Embedded Studio for ARM (Nordic Edition) V5.30a
When I try opening the project I get an error box with the following...
I want to add an OUT endpoint to the USBD example, but it is not successful. I cannot find the relevant tutorial. Below is my main.c, asking for help, thank you very much...
hi nordic team,
im update the app by usb dfu,my sd version is s140_nrf52_7.0.1_softdevice,and shell like this:
program.bat
dfu.bat
the device cant update and...
Hi,
Working on RSA encryption, I'm trying to build an RSA context from just the P, Q and E part of the key (as per https://tls.mbed.org/kb/development/how-to-fill-rsa-context...
Hi Nordic Team,
I've modified the DTM app to use USB CDC, I used a serial terminal to manually send commands, e.g. set tx power command, it worked fine. But it didn't work...
I'm a newbie to nRF stuff so please forgive me if I have missed the obvious...
nRF52840, SDK 17.0.2
The Nordic infocentre lists 4 options - SAADC driver - legacy layer...
Hello,
I am trying to observe communication between the nRF9160 and nRF52840 on v0.8.2 of the nRF9160-DK board. According to the schematic and documents, P0.23 should be...
I am putting data in a queue whenever I get indication, something like this:
on_indication(..,.., received_data)
self . qure_received . put (received_data )
Is there...
Hello
I'm trying to send a dataset from the nRF51-DK over BLE to an iOS device. The total data to be sent is around 500 kB. What is the best method for transmitting this...
Dear Nordic Experts, I've added buttonless BLE DFU to the generic level ( Mesh ) example. The firmware update is basically working; except for two minor little limitations...
SDK: 4.1.0
CHIP: 52840
old question
Hi, I have developed sleepy zed.
I have success to send "request data" in every 5 sec.
I wants to add regular job which is send...