I am working on "nRF51_SDK_8.1.0_b6ed55fnnn\examples\ble_central_and_peripheral\experimental
\app_s130_demo\pca10028\s130\arm4" project .
In this project,in which variable...
Or is there any LCD you could suggest that doesn't need that much code? Simple numeric 2rows would be enough. Want to use it with the nRF51-DK to display some measured valued...
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 use a 3.3V battery as VDD on an nRF52832 device.
Along the line this battery might do down from 3.3V to 1.8V. Will the Internal Reference Voltage be consistent at 1.8V...
Hi,
In apply_old_config.h ,here is the code:
for example:
If I set SYSTICK_ENABLED =0 in sdk_config,here will overwrite the macro define because #if defined(SYSTICK_ENABLED...
As per the datasheet of nrf52840 any peripheral like SPI/UART/... can be configured to any of the GPIOs so is the QSPI also.
But at Pin details QSPI pins are recommended...
Hello,
We are working on machine health monitoring system. For that we are using nRF52840 SOC as Central and nRF52833 SOC as end node. We had used single Central node and...
Hello.
I'm beginner on Nordic product and checking the examples with nRF5_SDK_17.0.0_9d13099 on nRF52833 DK Board.
I tested ble_app_uart and it works. Now checking ble_app_hrs...
Hello, I am
I'm a Beginner at developing NRF 51822 My Development Environment sdk : 12.3 IDE: KEIL v5 SoftDevices : s130
Recently, I've been experiencing a lot of...
Hi,
I'm trying to find a way to power down and on again a RAM section, but I haven't had any luck finding.
In the SDK examples, there's a RAM retention example only, but...
Hi! I am using nrf52832 with icm20948 (SPI) and I want to put nrf52 in sleep and wake up if there's any motion detected. I am unable to put my device on sleep by the function...
I use nrf_libuarte_async from nRF5 SDK v16.0.0, without softdevice on nrf52840. The idle power consumption of my board is several tens of uA. I call:
and then the idle...
nRF52840, SDK16.0.0, S140v7.0.1
We use SoftDevice (RTC0) and app_timer (RTC1). I'm trying to configure RTC2 and TIMER0 to do PPI-driven crystal timing as described in...
I'm using the empty_app_core project for the APP CPU and my NET CPU binary does not start. I suspect the NETWORK.FORCEOFF is holding the NET CPU in reset upon startup. I tried...
I have encrypted 12 bytes on the nrf51 and sent this + 4 byte MIC across to an Android device.
However, when I try to decrypt on Android using a Cipher with "AES/CCM/NoPadding...
Hello everyone,
I would like to developpe my own custom board, I would like to know if it's simple to replace micro USB by USB C and if someone has already do that to help...
A.
while (true) { while (app_usbd_event_queue_process()) { /* Nothing to do */ } if(m_send_flag) { static int frame_counter; size_t size = sprintf(m_tx_buffer, "Hello USB...
hello I am using nrf52832. I am advertising some data and scanning (on the same microcontroller) for other nrf52 devices(which will have the same firmware). When the other...
