My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
This is not a real question for support. It's more a success story i'd like to share with you!
Our company develops firmware for various customers on a lot of different...
Good morning,
I must developped a product with BLE module with nrf52840 chip. The product must comunicated with android product and windows 7, 10 and the product must...
I am using nRF52840 development software based on ble_app_uart_c, and I found that when I set NRF_LOG_DEFAULT_LEVEL as 1, if I download the software by Segger, the device...
I tried using the nRF52 dev kit on Windows for ARM, but it doesn't work, because SEGGER don't provide ARM JLink drivers for Windows, and Windows for ARM doesn't emulate x86...
Hello everyone,
according to the device specification, the nRF52840 can be operated with a MEMS oscillator as LFCLK input, which we intend to do. We plan to use a SiT1552...
I have a Zigbee router app that is mostly based on the light_bulb sample. I have noticed that unlike other Zigbee devices on the network (e.g. Philips Hue bulbs), there is...
I am currently working on a project that involves RSA signing data before POSTing it to a PHP web server.
I believe this uses the CC310 cryptography hardware in the nRF9160...
Is it possible to use ESB over the Bluetooth HCI from the controller, or through its own HCI? Preferably using Zephyr? If not, how hard would it be to implement? I am fine...
Hi
I'm using the nRF Connect Power Profiler UI with the Power Profile Kit II. It works great but has one annoying behavior. When I run the Power Profiler in sampling mode...
Hello,
NCS1.9.1, nRF52840DK, Windows10 X64, VS Code,
i want to use P0.31 as gpio interrupt pin,
anyone know how to do it ?
if config to overlay file like follow...
Hi,
Using the central and peripheral uart samples I have found the following CMake error when trying to increase the MTU ATT to 1020 bytes.
The added lines to the prj...
I am trying to update firmware but I am stuck on steps 6, 7 because I don't know where to get the img_app_bl folder and nrf9160dk_asset_tracker_v2_item_<version-number>.hex...
Hello,
I have developed firmware which communicates to an AWS IoT Core erver. To make sure the device is robust I decided to transmit data every 30s to the server. The network...
Hi,
We have a product which was developed with nRF52810.We found Samsung cellphone M31 couldn't scan the broadcast of nRF52810 with nRF Connect, but ther cellphone could...
I have MCUBOOT compiled under Zephyr 3.0 working fine with my 52840 based project. The transport is the CDC ACM "UART" using CONFIG_MCUBOOT_SERIAL
Using mcumgr.exe to load...
I am now developing nRF52805 with SDK 17.1.0. I am trying to use long pressing to enter the sleeping mode and wake the system up using the short press. However, there is an...
