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...
I use nrf24le1 design a board, but it works abnormal when distance farther than 0.5m.
This is my pcblayout,designed by ad14. Can someone help me to check is something wrong...
We're currently running into a lot of bugs using timer1(and 2) especially with the softdevice enabled. Every so often it glitches, and after further inspection of the code...
Hi,
I am currently porting the serialization transport layer to a stm32 chip (the spi 5W master configuration).
I am facing an issue in the state machine used to handle...
hi,In the host,
if(nrf_gzll_get_tx_fifo_packet_count(pipe) == 0 )
{
nrf_gzll_add_packet_to_tx_fifo(...);
}
In the devcice, every 5 min send packets to host ,but ack...
Hi,
I'd like to design a custom software an win10
to help in design a custom hardware using nrf51822...
at this time I have an eval board (PCA10028) whit a custom firmware...
We are trying to dump DFU code using Keil into nrf51822 IC. We are getting error, we are using SDK12. we tried many solutions provided in devzone, we were not able to solve...
Hello everyone,
I am trying to congifure two gpio pin (pin 6and 7) in standard high drive mode 5MA because am trying to connect those pin to the speaker inorder to increase...
When I program the board the COMP and Timers work fine. Upon removing the debugger and resetting the board it also works fine. But if I subsequently power off the board and...
Hello.
I don't know difference of GPIO's input/output direction setting.
There is two register for gpio setting.
DIRSET : Dir set register
PIN_CNF[n] : Configuration...
Hi there,
Is it possible to call SOC library functions before calling sd_softdevice_enable()?
In particular, i want to set up my interrupts with sd_nvic_SetPriority...
We want to use 52832 to control 6 LEDs. it is easy to use 6 IO pins to make them on and off. but we need these LED to blink. so we want to use one PWM module to generate 1...
When using the nrf_drv for spi master there are no problems when compiling. If I switch the SPI configurations to operate as a spi slave the compiler spits out "non-trivial...
Hi All,
I have just started working on interfacing SD card with nrf52 using SDK 12.0. I have to write to SD card at a rate of 84 packets per second and each packet consists...
Hi
I am checking out NRF51822, NRF24LU and NRF24LE1.
Below are my design requirements:
Smaller the size, the better. 7x7mm is OK. prefer smaller.
Lower power...
Hi, Nordic
I have 3 nRF52 devicies, one as Gzll Host, two as Gzll Device.
they use Gzp to pair, when paired, two Gzll Device send payload via different pipe ( 2, 3)...