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...
test setup
the custom board schematic
we tried to flash the custom board with the beacon sample here https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr...
I just upacked my new nRF52 DK and installed what I think are all the goodies to do development (on my Windows 11 laptop). I can see the board with the Programmer and I loaded...
Hi
I am using 4 x AD7410 in each TWI channel, using both TWI ports. So, altogether 8 AD7410s. ( I used the Adafruit breakout boards).
Initially I get the temperature readings...
The BOOT_SERIAL_WAIT_FOR_DFU feature is meant to wait a number of milliseconds (500 by default) for a message via serial comms. If it doesn't receive a message it continues...
Hello,
I have following problem:
I am using a multilink NUS Central. With one peripheral connection everything works fine. But when make a second connection I sometimes...
Dear support
Try to perform DFU OTA on my final target board and have an error state says - "payload(250 bytes) too long for MTU: 249 "during uploading stage, could anyone...
Hi,
I am developing application on NRF52840 with Zepyr 2.1.2 SDK, and I found two problems when using the example scan_adv, as follows:
Executing bt_le_scan_start in...
My team is developing for an nrf52840 on a custom design pre-production PCBA. Up till now we have been using nrf52840dk_nrf52840 in the"Board" field of the "Add Build Configuration...
Hi Team We’re using Nordic connect sdk 1.9.1 We’ve created a vendor service and defined multiple characteristics in same, We are using Nrf connect mobile app to fetch the...
Hi,
I am trying to capture provision packets from the BLE Mesh. I have nRF app for iOS. My iPhone is considered as a provision device, is it possible to provison another...
We are using SDK v1.9.1 with VS Code to develop software for a custom BLE board using the nrf5340 SoC. We also have/use a nrf5340-DK development board.
We generally update...
I want to make a card according to the NTAG213 specification package of NXP.
After I set the parameters, the default value for reading the card content will be NTAG203...
Hi,
We are running Zephyr 2.4 via PlatformIO on a nRF52840 based product. While spamming the nRF with a ton of BLE packets, after about 15 minutes or so we get the following...
Hi,
I have quite demanding SPI device which should send its data over BLE. Thanks to throughput example i was able to achieve maximum transfer speeds for synthetic tests...
Here are some values I got from the terminal:
11011110000000000001000000000010
00000010000001010000010000000011
00000011000000010000001011011110
I do not see the sign...
