Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
This is not a real question for support. It's more a success story i'd like to share with you!
Our company develops firmware for various customers on a lot of different...
Hi all,
What is the maximum data rate for the nRF24AP2 when using the Synchronous serial interface?
I cann't see it in the datasheet.
Is there anyone can answer me...
Hi,
In my design, there is a tag used by 24l01,It can transmit the temperature value.In the tag, the parameters are like this:
addrofch[0] = 0xe7;
addrofch[1] =...
When I initialize PPI after timer1 has been initialized I get a fatal error (and reset).
Code:
const nrf_drv_timer_t timer1 = NRF_DRV_TIMER_INSTANCE(1);
nrf_ppi_channel_t...
Hello,
we were measuring sleep modes and it consumes around 1.3uA which is correct.
But when we needed to be woken up on edge we found out it consumes extra 8uA! Are you...
Are there any nRF51 demo firmware implementing paring function that the central and peripheral devices will connect automatically without user interaction when they come ...
i am working using NRF52, s132, sdk11, freertos.
for fft , i used "arm_rfft_fast_f32(...)" in cmsis-dsp library.
and i inserted a fpu interrupt.
NVIC_SetPriority...
Hi.
I'm using PCA10040.
I'm trying to control GPIO.
But I can't control PIN 09, 10.
Let me show you my source code.
int main(void)
{
/* Configure LED-pins as outputs...
Hello!
I have encountered an interesting issue:
When I use compiler flags (GCC CFLAGS) -Os or -O0 together with -flto the pstorage function pstorage_block_identifier_get...
After I combined the Timer example and ble_app_uart, the program is hanged at below function when init the timer. Please tell me why
__STATIC_INLINE void nrf_timer_event_clear...
I need to turn off a GPIO after 8 hours of it being triggered.
I was reading about changing the prescaler to allot for 8 hours. I did the calculations and came up with a...
I have purchased a red bear lab ble nano board with nrf51822 and a PICTAIL board with microchip RN4020 chip. i have set Tx power 4 for both boards. The rssi value shown in...
This may just be a preference or architecturing question but I thought I'd ask in case there was anything I'm not thinking of, or benefit of one or the other.
I have 2...
Hello,i am find an interesting phenomenon recently.I have a Nordic 5182 device(role as peripheral) and bonded to an iOS device(role as master),when i put the iOS device near...
I'm wondering, is it possible? This is what I think it will be like if it were going to be implemented:
Acquire the firmware from a host somewhere.
Since the payload...
Is there a function like battery_level_in_percent for AA battery?
I know battery_level_in_percent is only for CR2032.
Even though I compensate it to make it 3V from AA battery...
Hi,
I am working with nrf51822 MC. In my Transmitter code, i am using in low power mode. I was enabled the low power in my code (__WFE(), __SEV(), __WFE()). I measuring...
