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...
I would like to make my own project of an analog sensor with BLE feature. Is it a good idea to go with third party module (because of the easy availability of Antenna)? can...
Hi! I measure the micro frequency by Hantek Osiloskop in two-mode.
First, I use a simple Blink without softdevice , reaching 570kHz in 10us. Second, I use a ble_app_blinky...
Hi, I am looking for some help in interfacing STM32F4 MCU and nRF52832 module via UART for establishing BLE communication. My application needs both the devices.
I downloaded...
Hello everyone,
how can I implement a blacklist for my central which is scanning for a UUID and should also check for example device name. If the device name is in the blacklist...
We have developed a sensor application using ESB protocol with the nRF SDK (nRF52832 on Tx side and nRF52840 on Rx side).
We would like to redevelop now the receiver under...
Hi
1、I made the following modifications to the hello_world example（ncs1.7.0\v1.7.0\zephyr\samples\hello_world.
2、I have disabled uart0,But the average power...
Hi,
I'd want to implement RTC for regular testing of a variable. I am largely based on The BLE_uart exemple and have added a timer instance and a PWM instance. As the...
Hello,
I run a piece of code on NCS1.8.0 on nRF5340-DK, and it returns -35 when executing k_msgq_get()，b ut the same code runs on NCS1.5.0 and the k_msgq_get() function...
Hello.
I am developing using nrf52832 (S132 v7.0.1, SDK v17.0.0).
Since I want to bond with Android, I have created a central code that summarizes the functions that I...
Hello everyone i am trying to integrate nRF Calendar example with the nRF5 Thread MQTTSN example. In my application, I will get the date and time source from the MQTT-SN JSON...
Hello,
I have a zephyr project built using NCS v1.8.0 with target board selected as nRF9160DK_nrf9160_ns. I am interfacing LSM6DSO sensor with nRF9160 dk, with interrupt...
Hello,
We have a firmware developed for Full Thread Device. But now as i want to reduce power consumption i want to convert FTD device firmware to SED firmware.
SDK...
After reading this https://devzone.nordicsemi.com/f/nordic-q-a/3830/what-is-the-value-of-the-gpio-pull-up-and-pull-down-resistor
and seeing that the internal pull-up is...
I'm trying to get readings from an LPS22HB sensor with the nrf52810 using the lps22hb driver in SDK 17.0.2_d674dde.
The lps22hb_init() call completes without any errors...
Hi, I'm using nRF52805 and SEGGER.
The firmware could be programmed to the chip successfully when I use Debug->go. I can connect with the BLE signal.
However, when I use...
