Hello,
i'm working with my own board with the SD V6.0 and nrf51822 chip id QFAAG0. Already works fine.
Now i switch to the new SD V8.0. The SD V8.0 is programming with...
Hi everyone,
I'm working on the nrf51822 chip and using S110 stack of SDK 6.1. Everything is fine for IPhone5s. The proximity example is running on the nrf51822 device...
I have used your example of a bootloader nAN_18. I can create a basic program, with new firmware, and also load my new bootloader program at the high end of memory.
My...
Hi,
I'm developing some projects with the nRF51822 chip and I am not able to debug them successfully any more. However, I have previously debugged correctly some projects...
Hi,
We've been seeing an intermittent connectivity issue in Yosemite in discovering BLE services, namely scanForPeripheralsWithServices does not return anything. The same...
Hi there is a problem in github.com/.../nrf51-UART-examples
any one can help?
I put empty loop in main, and comment off all ble related int. and I process uart_evt by...
Hello whenever I am calling sd_power_system_off(), it gives me the following error- implicit declaration of function 'sd_power_system_off'.
What shall be the optimum solution...
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...
