hts, HTC phone, nrf tools HTM, nrf51822,
every time when it's power up :
the once connect: error code 0x7A cann't read characteristic and 0x14 state change.
the second...
I am toggling Value of slave through a button on nrf51822ek .This Value is displayed on MCP of dongle, but i have to get this value on terminal to send it to pi then through...
Hello, I am tryong to use to masters to communicate with two accelerometers.
Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
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...
we use nRF52833,SDK:S140,17.2,sometims,the device goes into trouble and the error code is 0x715.
here is the call stack:
/port.c:128 0x00027482 PendSV_Handler
/port...
When developing a BLE device with nRF52840, the following error occurred when importing the header file for spi communication.
ERROR ['NRF_DRV_SPI_INSTANCE_0' undeclared...
I am using FreeRTOS with FatFS/SD card. SDK is nRF5_SDK_17.0.2.
If different tasks access FatFS API in different task, is it thread-safe? i.e. Task A access file A and task...
Hi,
I'm integrating the ble_app_uart example into my project. However, the UART interrupt works a little differently than I expect. I initialized the UART with APP_UART_FIFO_INIT...
Hello
I followed the doc blew for building sample
- https://infocenter.nordicsemi.com/topic/ug_gsg_ses/UG/gsg/intro.html
- https://devzone.nordicsemi.com/nordic/nordic...
Hi,
Currently I have a NRF52832 chip that I am using in a project. The chip is inaccessible since it is inside a device -- I have been performing software updates via the...
I've mistakenly closed the case https://devzone.nordicsemi.com/f/nordic-q-a/85450/insufficientresources-error-message-while-performing-usb-dfu?ReplyFilter=Answers&ReplySortBy...
Hi
I'm working with the sample 'ncs1.7.1\nrf\samples\bluetooth\direction_finding_connectionless_tx' on nRF5340, I followed this page and built with AoA mode, then added...
Hello,
I am referring to the ISP4520 example code .
I would like to change the I2C(TWI) pin assignments as below.
SCL:P0_07 / SDA:P0_12
But I can't find where to set...
SDK 17.1.0
nRF52840 DK central + nRF52840 peripheral device
Hello,
I'm attempting to set up reading characteristic values on the nRF52840 DK as a central from a peripheral...
hi,
We are currently having some problems erasing flash，The problem recurrence rate was 1%，the recurrence rate of specify chip problems is 100%，Here are some scenarios as...
Hi,
In secure_bootloader(SDK17.1.0) example, I want to replace the ECDSA_P256_SHA256 with ED25519, what should I do?
I tried to modify sdk_config.h, but the build didn...
I have the EV BT-840 DK and I have the AT firmware installed. With AT commands I am able to connect and send data to other BT-840DK. Right now I flip the AT command switch...
Hi Guys, I am following the numbers and tutorials and setting up Visual Studio on a windows PC and installing the Nordic extensions. I get as far as a successful build but...
I was able to work with the mfrc522 RFID card reader through SPI on nRF9160dk. The application was developed using connect SDK v1.5.1
When we tried developing using SDK...
