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...
Hi,
My project is based on SDK15.3 with NRF52840. I have referred to the "writable_ndef_msg" example to read/write the emulated NFC tag successfully. And I can get back...
Hai ,
In my application i should connect parallel connection and peripheral and central part connections simultaneously.
for this i developed from hrs_relay example .in...
Hello,
I'm trying to program a nRF52840 Dongle with the thread MTD client example by using nRF Connect but I get an error saying I need to add a SoftDevice. I thought...
Hello, I am new to NRF52. I have setup a project under Embitz ide. I can compile GPIO toggle code and program the the code. However when I try an transmit example github.com...
I have 100 samples of string data (Ex: AABBCCDDEEFF:1592636399:1592636399 ) . I am using the flash_fds module. Also, I want to read the read all the samples at once. I am...
Hi,
I am developing the 'buttonless dfu' to the 'hrs freertos' using the SDK v15.3.0.
However, after I compiled the modified code and loaded to the target broad, I got...
Hi
In ble_stack_init(), err_code = softdevice_enable(&ble_enable_params); err_code = sd_ble_enable(p_ble_enable_params, &app_ram_base); err_code is 4.
I use nrf51822 in...
Hi,
I got a nrf5340 pdk, and I download demo Peripheral_Heart_Rate into board, load peripheral_hr.hex into app_core and load hci_open_amp.hex into net_core. it running ok...
Hello. I have one multirole device (device A) and three peripherals (devices B, C, D). Device A connects to devices B, C, and D as a central role, and connects to the phone...
Hi,
I am developing a product using nRF52833 . (S113, SDK 16, IAR8)
I am developing based on the usbd_ble_uart sample.
I use ble, spi, twi, ppi, saadc.
and, I use...
Hi,
On page 420 of the nRF52811 datasheet (v1.0) it states that pin 14 (P0.18) can be either 1) Digital I/O or 2) Single wire output (SWO). The SWO is not mentioned on any...
Hello, In our project the nRF52 resets randomly
we use the NRF52832 with softdevice S332. On the application space we run a FreeRTOS application with 2 tasks. We want to...
Hi,
I am trying to determine whether or not to use a watchdog timer in our firmware. The device is and IoT device, making sensor readings and entering sleep mode for a while...
Hi all,
i am trying to merge ble_app_peripheral example with twi_scanner. So i created twi_ad7147.h and twi_ad7147.c with the twi configurations.
But i am getting this...
