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 am trying to use the thingy91 to publish some sensor data to an Azure IoT Hub, I've tried to look at mqtt_simple and modified "asset_tracker" application but I couldn...
Hi Team,
This Query is regarding HF frequency Crystal settings, how to configure the nRF52840 Evaluation board to different frequencies. Actually we need to test the crypto...
Hi there,
I'm attempting to link in a static library archive to my nRF52840 targeted project and receive the following error: Exception table sections and plain sections...
when I use Jlink viewer for tracing, found a fatal error:
1 code:
static void lfclk_config(void) { uint32_t err_code; NRF_LOG_INFO("enter lfclk_config"); err_code = nrf_drv_clock_init...
I have been playing with the nRF5340 and specifically the HCI-RPMSG.
I have looked at these files below. They all worked when programmed in the nRF5340.
When viewed in...
Folks,
System Info : MacBook Pro (10,1; 15" Retina, Early 2013), Running macOS 10.15.6 "Catalina", with 500GB SSD, formatted with APFS, into a RO system partition and a...
I've made a circuit using the NRF8001 but slightly deviating away from the original PCB example. I'm getting the device to go into "Advertising Started" but I can't pick up...
hello Nordic
i have s SOM which i want to use nrfutil in it for FDU via UART of an application i have on nrf52832, s132 v7.0.1
i have the bootloader flashed with the...
Up until now I have been the sole firmware developer and the keeper of the keys for our product.
Our scrappy little startup has expanded and is now bringing on additional...
Hi,
Problems I am having with PWM:
1. Using app_PWM and GPIOTE to start and stop the PWM: When button is pressed, GPIOTE handler sets a flag that is polled to start the...
I am using Timer0 and Timer with GPIOTE and PPI to output 2 clocks on 2 pins.
Both timer settings are identical (for troubleshooting). Only timer-0 can be generated at the...
I am working with nRF Connect SDK using an nRF52840 DK. And I want to realise both BLE mesh and FOTA upgrade. FOTA upgrade example SMP Server Sample works properly for Bluetooth...
To parse information from strings I want to use sscanf().
Currently I have this small test program:
And in the prj.conf I have CONFIG_NEWLIB_LIBC=y defined.
This program...
Hi, At power on lots of MUCBoot prints pop out of the UART:
*** Booting Zephyr OS build v2.3.0-rc1-ncs1 *** <inf> mcuboot: Starting bootloader <inf> mcuboot: Primary image...
Hello -
We are developing an application for nRF52840, using the v17.0.0 SDK. The application is running on FreeRTOS. We need to power off all the RAM and use the RTC...