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...
Hi,
Is it possible to reconfigure NFC pins to be GPIO inputs (and vice-versa) without any kind of reset? It seemed like some kind of soft reset was required when I looked...
I am trying to run the multilink central gcc example with s120 v2.1 on a nRF51822 CEAAD20 device. Unfortunately, SOFTDEVICE_HANDLER_INIT call causes a hard fault. The linker...
I'm trying to pass a string longer than 15 characters to NRFJPROG_rtt_write (it's 17 characters, including null-termination), but the data_written parameter is set to 15 after...
Hello everyone,
I am wondering that, can i find auto-connect feature on nrf chips? Firstly, i should match chip & device i know but after that can they match?
Second...
FWLog (1)_formattedByTC.txt Hi,
I am sending data to one of the characteristics from nRF51 to the App(the problem happens in both iOS and Android).
This is what I am observing...
Is there any documentation on the advertising state machine ? This post :
devzone.nordicsemi.com/.../
mentions the state machine and how it progresses from fast, to...
Hi all,
I want to update my connection parameter as follow:
#define MIN_CONN_INTERVAL MSEC_TO_UNITS(7.5, UNIT_1_25_MS) //400 /**< Minimum acceptable connection interval...
Hi,
I'm doing a project using the Evalution kit.
I don't know why, but I can't go under 350 uA current comsumption in system on.
I did clear all pins,i did NRF_SPI0-...
HI:
i use SPI is ok when i set frequency = NRF_DRV_SPI_FREQ_1M,but SPI will work abnormal when i set frequency = NRF_DRV_SPI_FREQ_500K/NRF_DRV_SPI_FREQ_250K/NRF_DRV_SPI_FREQ_125K...
I am evaluating chips for a new project.
I am looking for a chip that can connect with Sony PS3, PS4 controller and most modern/recent cellular phones.
I am confused...
Ok so here is the issue. I was trying to build a simple application which is described in the tutorial for characters. After building an advertisement and understanding the...
I tried to modify the twi_master_using_app_twi to work with adafruit ADS1015 as a slave. I ran into this problem. It seems that the init_transfer doesn't finish so the app_twi_perform...
What development kit should I buy? Is this the right one?
www.mouser.hk/.../
What software IDE to use?
Does Keil offer free version for limited code size? What...
trying to build a simple example in sdk 11 just to run it on the nrf52-dk
of course it is missing pieces, else life would be no fun, apparently...
oh, i don't know,...
Sorry for asking as not familiar with BT terminology and un-sure which fold means what, grateful pointer to example (in SDK or similar) that can run on the dev kit. That is...
