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...
Hi there,
I am trying to enable the Read Back Protection in the software itself to avoid the FLASH, RAM etc. from being read with a debugger after being flashed for production...
Hello, I'd like to check what is the typical distance using 0 dBm tx power using Nrf52840?
I am using this BLE module based on Nordic, and it seems to work ONLY 2-3m far...
Hello
I am getting started with Nordic devices.
I recently bought a Thingy:91 and followed a tutorial to load the Asset Tracker application on to the device – this...
Dear,
We have been using QSPI external flash (MX25R64 installed at nrf5340 DK board) to write data. Particularly, when we ran flash_area_erase function ( located at zephyr...
Hello All,
How can I get my nRF52840's MAC address in Zephyr? Actually, I want to append the last 4 characters of the MAC address in CONFIG_BT_DEVICE_NAME.
So, when I...
Hello, we are developing a zephyr application on top of nrf52 soc. We can use the built-in zephyr drivers for most modules (ex: I2C, UART, nvm, etc.); however, for some modules...
I am really new at working with Bluetooth and the various protocols contained within.
I am using SDK 17.0 and drivers 2.7. I am working on a DK-52 board.
I am working...
The TWIM peripheral allows you to tx multiple buffers back-to-back like this:
- Set buffer 1 in TXD.PTR, TXD.AMOUNT - Trigger TASKS_STARTTX - Wait for EVENTS_TXSTARTED ...
Hi,
For testing purposes, I need a copy of the spec that the Nordic UART BLE service adheres to. Ex. minimum capabilities, mandatory functionality and attributes, etc. ...
Hello,
I tried enabling the Zigbee shell, through RTT, in my application and when that failed I built and burned the nrf/samples/zigbee instead, slightly modded to get rid...
Hi All. My task is simple. I want to implement LE secure connections on DFU. I have seen the ble_gls example. It has a passkey for bonding, I am looking into that too. I ran...
I have a repository that is intended to be used by other repositories via ZEPHYR_EXTRA_MODULES. This seems to be working fine. However, now I'm trying to add some code to...
I am evaluating a front end module by skyworks 66111 output power is ~14dBm. The FEM requires that logic dictate when to transmit and when to receive. When CRX, pin 17, is...
HI
we have developed our custom board using nrf5340. We are using NCS v1.7.1 for application development. I can't able to flash the HCI_rpmsg application to the network...