We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hi all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
I changed the number of byte in one package from 20 to 250, but I used Nordic UART Android app to receive date, it also just can received 20 byte per package, is it passible...
hi
i make spi connection between nrf and lpc1788 . nrf as slave and lpc1788 as master. i got data from lpc but when i send data to lpc nothing send . when using another nrf...
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...
