I'm trying to design a very low power sensor that takes readings using ADC and SPI 200 times a second. I'm a bit worried by the current EasyDMA uses (1.1mA). As far as I can...
Hi, I am working on a project where I want to make one nrf51288 chip as central hub and connect that to a android phone and other salve nrf51288 .
idea similar to this: ...
Hi,
I have a code programming the nRF51422 development board to write to a Sharp Memory 96x96 pixel LCD screen using SPI.
Currently the code writes two numbers and a...
I've modified the ble_app_uart example by adding GPIOTE so that the transmitter sends a character to the receiver when a GPIO pin is toggled. This part is working well.
...
Hi,
I am working on my hardware product having nRF-51422 chipset. I just came to know from forum post that
nRF-52 chips will get arduino IDE support as standalone. I want...
Hi!
I've been using PCA10028 for a long time and I had some bricking issues but I've managed to un-brick it with "nrfjprog --recover" and everything would work again. ...
I want to build nrftoolbox app in android studio. I downloaded the zip file from the github website and also the required dfu library. I unzipped both the files in a folder...
To reduce power, I'm trying to find the best approach to minimize the cpu load when sampling an accelerometer at a high rate, e.g. 1.6Khz. Is there a way to DMA a sensors...
I am writing a crc checker for the application and the softdevice . I am using a s120 version 2.0.0 it currently has a upper boundary of 0x1D000 is this a hard boundary for...
Hi everyone.
I am making an application which combines two services (ANCS and Nordic UART). I compare the advertising_init() function from the two provided examples (ble_app_ancs_c...
Hi,
I've been searching the devzone for TWI examples, and preferably an example with MPU6050. Here are a conclusion of stuff that I found, but as some of them were for...
Hi ,
I tried to upload the application firmware using OTA service through MCP, I successfully get connected and the transferring of application hex file also gets successfully...
Hi Guys,
once again, I have strange behavior of my code.
In my code I try in loop after ble_event received change PWM from 0 to 255 for my motor device. In debug logs...
Dear,
Please, could help me ?
My knowledge in RF is basic.
I am developing a system to use 8 RF channels (nRF24L01 +) simultaneously.
I'm using Balum 2450BM14A0002...
Hi,
I’ve just ordered a few nrf51822 (from seedstudio ) and waiting for them to arrive.
They come preloaded with SoftDevice 6.0 or 7.0. with a pre-flashed OTA boot loader...
Hello, I am trying to connect a Nexus 6p running Android 6.0 to the NRF52 dev board. I have tried numerous ble examples in the SDK, but nothing ever appears in the nRF Master...
So if I start a program in debug mode some zero-inited static variables are non-zero.
ldr r1, =__etext
ldr r2, =__data_start__
ldr r3, =__data_end__
subs r3, r2...
I'm attempting to use the app_trace module. I've set it up as follows:
int main(void)
{
// Setup tracing. Also sets up UART.
app_trace_init();
app_trace_log(...
Hello,
I know that this question has been asked a few times, but I am a little desperate after trying to get debug logging over the Virtual COM Port to work. Here are the...
Hi,
I've recently got some brand new nRF51 Dongle, and used nRF51 DK. The problem is that DK is not recognized by mine PC. There's actually some example program (heart...
Is that bad to call RTT functions if there is no SEGGER connected?
I mean, if there is no RTT viewer connected, what the RTT library does with the message to transmit?...
Sorry for bothering you, but my nRf doesn't send anything at all, i check fifo_status reg, put data in TX fifo, then set CE pin four about 25 us, clear CE pin and check fifo_status...
