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,
Is there a way to use the nPM Fuel Gauge board for battery capacity testing? I would like to evaluate/confirm the actual capacity of the batteries I buy. The Power...
Hello,
We are using the nRF9160-DK (ARM platform) and are running the llext examples. However, we encounter a NULL return when calling llext_find_sym() . Could you please...
Hello,
I am developing a custom board using nRF52832 (QFAA) and flashed (no debug) it with sample beacon app (NCS) to check the transmission. When I power custom board using...
Hi,
I want to develop a Bootloader for the firmware update, I followed the dev academy course to do firmware update using mcumgr command line tool via uart.
Now I want...
Hello,
I want to integrate a bootloader with BLE DFU functionality on the nRF52811 microcontroller. I have several questions regarding this:
Memory Management : Since...
Hello: In my project, I have the following requirements: I need to conditional compile the device tree, i.e., it needs to include a header file via #ifdef, but it can't conditional...
Hi, can we measure Distance using Multi Carrier phase difference method between nrf52840dk and nrf52840 dongle? if yes then give me detailed steps to connect and measure distance...
Hi, I want to use the temp node from the Device Tree of nrf52840. However, when I do something like this: I have an error saying : undefined reference to `__device_dts_ord_xx...
Hi,
I am developing unit tests and would like to generate mocks for the following functions in the Zephyr uart driver in the file "uart.h".
uart_irq_update
uart_err_check...
Hello everyone My system is as follows: - Using sdk v2.4.4, zephyr with nrf5340 (Raytak) - Using Threads zephyr to create threads to control the system - Using CONFIG_PM=y...
NRF Connect SDK 2.7, NRF52840
I'm porting the firmware for a shipping product that was originally developed on NRF5 SDK. We are porting out code since the NRF5 SDK is no...
I can't figure out what I'm missing. I'm not able to send messages using MQTT.
Here's the link to my code: https://github.com/pranav-ether/test/tree/main/mqtt_pub
This...
Hi,
I'm using WS2812B as a status LED. I don't have any free SPI ports. So my only option is to use I2S. It is displaying just white. I cannot change colors or turn it off...
Hello,
My SDK is ncs 2.6.1, and chip is nRF52832. If set CONFIG_BT_ID_MAX to 2, bt_id_create can be called twice without failure, but it seems the 2nd call doesn't update...
I'm seeking assistance with a power consumption issue we're facing in our hardware configuration. Here are the details:
Normal Operation Power Consumption : Our device...
