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...
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...
I am using Uart Ble example of sdk , i want to write to Tx without UART can u please help me do it
i actualy want to send accelerometer data which is of size 40kb after...
Hi, I have added BLE custom characteristics in my application. I am writing and reading some values through ble scanner mobile app. Here i observed that when i enter string...
Hi,
I trying to use higher MTU size for my application and i have followed the att mtu throughput example. it is working fine upto 50 bytes packet size but when i try...
so, after getting it to compile, now i can no longer write to flash memory and i don't knwo why i am getting this error now. now sure if it is a result of nrf_dfu_flash and...
hi.....
i am interested in Mesh ,actually i want to understand the flow of mesh program (eg light switch example )how does it work,how it transferring from client to server...
Hi all,
In order to lower the power consumption of my device I have been experimenting with WFE. When using WFE I see that the interrupt latency is increased from ~4µs to...
Onl
I have 40 kb of data i need to send, and what i thought was using notification by creating a timer, which will be started as soon as device gets connected, in...
I am trying to interface with a I²C OLED display using Zephyr’s SSD1306 driver. The driver uses i2c_burst_write, which itself requires that i2c_transfer support gather writes;...
This is on SDK 15 : Not all services are reported when doing service discovery on more than one connection at a time.
Basically, ' ble_db_discovery .c' uses ' m_pending_usr_evt_index...
Hello, I am using the nRF51422 Development kit with SDK11. I am using the proximity application for the battery level service. I would like to strictly advertise to a single...
Hi,
I have an application where I have for example 5 BLE transmitting devices . Each device has one push button and each device is assigned to a number 1-5. I also have...
Dear nordic,
I am new in this open thread i tested your examples its working fine. i also tested CLI example i think its working but i didn't see a response in terminal...
I have a few Bluetooth transmitters based on nRF52832. My receiver devices are mainly iOS and Android mobile devices. I'm considering of replacing them with nRF52840 for Bluetooth...
Having issue with nrf52840 interface with sim808 for GPRS connection. I am trying to interface nrf52840 with sim808 using UART. But only AT and ATD command reply i can see...
I have a custom board with an application that works fine.
But when adding a secure bootloader my board starts to act weird. I am using the RESET pin on the chip as an input...