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send upd example - thingy91:x 0

Hello, I have opened net/udp sample - https://github.com/nrfconnect/sdk-nrf/blob/main/samples/net/udp/src/main.c over here, to try to send UDP over LTE. Unfortunately, looking...
13 views

0 replies

Started 48 minutes ago
by smmx
Not Answered
Memory error when calling bt_gatt_dm_start 0

Hello! I'm trying to make what initially seemed like a straightfoward program - a bluetooth-to-hid adapter. Since Nordic's sample (BLE Central HIDS) uses the hogp and bt_scan...
- development
- code
- software
- C
- bluetooth le
- nrf52840
22 views

0 replies

Started 1 hour ago
by Orlin
Not Answered
Correct configuration for secure connections pairing 0

Hi, I want to implement a feature where the central device manually enters a fixed password (passkey) defined by the peripheral to establish a connection. I’m using the ble_app_hrs...
24 views

0 replies

Started 2 hours ago
by WeBBK
Not Answered
Stack overflow when send "chat private' over a serial terminal 0

Hi, I send "chat private 0x0028 hi" over a serial terminal, and the MCU restart because of overflow, please see error log as below picture. I tried to modify the "CONFIG_SHELL_STACK_SIZE...
- development
- software
- nRF54L15
- mesh
15 views

0 replies

Started 4 hours ago
by ShawnL
Not Answered
NRF Cloud connection refused (-111) when using NB-IoT 0

Hi, We have a working firmware that uses LTE-M for network connectivity to connect to NRF Cloud. But upon testing with NB-IoT configuration (CONFIG_LTE_NETWORK_MODE_NBIOT_GPS...
16 views

0 replies

Started 4 hours ago
by AdrianT

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Intro to ShockBurst/Enhanced ShockBurst

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Writing a BLE firmware can now be done with a few lines of code. The code example bellow is all you need to write for a non-connectable BLE firmware that advertise a counter value every second in the…
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One minute to understand BLE connection data package

viewtool

1.Profile During connection procedure of BLE, there are three packages: SCAN_REQ, SCAN_RSP 和 CONNECT_REQ。 SCAN_REQ： Scan request, issued by MASTER DEVICE, send to SLAVE DEVICE，sent by the Link Layer…
- 15 Dec 2017
One minute to understand BLE MTU data package

viewtool

1.Profile MTU: ATT Maximum Transmission Unit (MTU) is the maximum length of an ATT packet. The ATT MTU is defined by the L2CAP and can be anywhere between 23 and infinity. The implementation of the Bluetooth…
- 15 Dec 2017
Debugging on nrf52840 with GDB from CLI on linux

jfcamel

Today I tried to find the better ways to debug program on nRF52840 PDK from CLI on linux. The ways that I tried [Failed] openocd (both stlink and jlink) & gdb [Succeeded] JLink & JLinkGDBServer &…
- 14 Dec 2017