Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
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...
Hi! I am struggling with figuring out how to properly set the sampling frequency for the qdec device. I noticed that making changes directly to the members of config struct...
