I would like to develop my own central device to communicate with the RedBear Arduino shield. The RB device uses a from of UART communications to send data to/from Android...
I was wanting to use a nRF24L01 with a breadboard but its pin-out didn't allow it. A solution then occurred to me based on parts at hand. I wrote it up with instructions and...
Hello. Can I get a literature to the nRF51 series?
I need a full abstraction of the nRF51, like a book or other information, it's structure schematic of build-in modules...
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...
Our company needs wireless temperature sensors (can be externally powered or battery operated) and transceiver with 4 channel analog outputs. It has to be finished product...
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...
I am using raspberry pi to communicate with nrf52840 My rpi is used as msater, nrf52840 is used as slave My nrf52840 is implemented as SPI slave under zephyr OS At present...
Hello,
I'm developing a bootloader based on the one included in SDK 13.1. It is now restarting due to an NRF_ERROR_NO_MEM that I'm not sure where it's coming from. It must...
I'm porting my system from 1.2.0 SDK to 1.4.2. The GPIO API has changed quite a bit. I have this problem that when I'm enabling some GPIO to be on interrupts, it seems to...
We are eplanning to include a simple DoA or DoD estimation in our device for BLE bracelet doirection detection. One partner claimed that nRF 52811 can't be used for this purpose...
I am using MeshSDK 4.2.0 and nRF52840.
I have looked into the provisioner example and the provisioner_store function in main.c only seems to store m_nw_state, which only...
Hi all,
I have some issues to print and parse JSON file using cJSON features. My code works without problems in SDK, but when I try the same code in Mesh part, I am not...
Hello, i'm trying to build zephyr\samples\subsys\usb\cdc_acm but i get the following error:
1> zephyr/isr_tables.c does not exist. 1> Combining ‘zephyr/isr_tables.c’ 1>...
With very low data rates and short packets between two nRF52840s which of the following can operate at the lowest power?
1) ble peripheral to ble central uart
2) Enhanced...
Hello Dev
I'm working with MQTT sample on nRF9160 DK device and while that when I called facing some kernel based issue regarding k_sleep() function.
I'm getting this...
Hi,
Thanks for the help. I have run the proximity detection application in nRF52832 nordic thingy. Initially the LED was blinking in the thingy board but when I switched...
Hi,
Though the Thread CLI sample's 'README.rst' lists the following supported optional extensions, it does not specifically describe how to set the specific '.conf' files...
Hi everyone, Lately I have been using a PCA10040 (nRF52-DK) with J-Link OB-SAM3U128-V2-NordicSem V1.00 version. I'm trying to program two boards one with nRF51822_xxAA and...
Hi I am wondering what the best way to go about developing a RPi based system for presence detection with nordic ble devices
I would like to limit the bluetooth signal to...