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...
Hi everyone,
I'm currently following the "WiFi Fundamentals" course provided by Nordic, and I'm encountering issues with two specific exercises: l2_e3 and l4_e1 . Other...
Hello, I can commission bulb and switch pass, then I refer this link( acl and bind ) to write ACL and binding both, eventually I can use switch to control bulb!
But I have...
My product has nrf52840 with usb mass storage configured using 8MB QSPI flash (same chip as the nrf52840dk - MX25R64)
I would like to allow users to upgrade firmware by...
Hello,
we are using a nRF5340 with NCS 2.9 and want to signalize a
UART_LINE_CTRL_BREAK
on USB CDC_ACM to the PC.
Is there a direct way to do this?
Many thanks in...
Hi,
I need to implement low power mode in my project with an nRF52832. From a general perspective, I want to:
1) boot the device,
2) initialise stuff/peripherals,
...
To read the MAC addresses defined I use the following code (with CONFIG_BT_ID_MAX =2 in prj.conf):: :
bt_addr_le_t addr [ CONFIG_BT_ID_MAX ]; //space for random address...
We have peripheral, and we want to connect it using NRF 52840. when we are bonding this using nrf connect app we get a pop up with random key and using pair we can pair with...
Hello!
I have designed a custom board with the nRF5340 , powered at 1.8V. I am able to program the chip successfully, but after the firmware is downloaded (Zephyr RTOS,...
Hi,
I am analyzing the issue that the BLE module can maintain a relatively short connection distance. Besides the transmission power and frequency offset, I also take...
I'm developing a small IoT device that needs to retrieve and transmit its location upon pressing a button. While testing the modem using AT commands, I can consistently retrieve...
hi support team,
i have customer is developping mesh.
customer is trying to sniffer the message when i pressed the buttoon on demo mesh_light.
i have two questions on...
Hello, guys, I am working on direction finding using nRF5340 DKs and v.2.9.0 SDK. I found that an antenna array is required to find the direction using nRF5340 DKs. So is...
We have been fighting with the Distance Measurement Toolkit for a while (see other ticket ). As we needed to move forward, we started the implementation of LE Secure Connection...
I use nRF5SDK1230, S130nrf51201. Firstly, I flash ble_app_beacon in PCA10028, it works good. then i flash the same program in custom board(nrf51822qfaa) without any change...
