Hello, I am tryong to use to masters to communicate with two accelerometers.
Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I would like to measure BER and PER on custom board by using sample project that is included SDK.
\examples\dtm\direct_test_mode\pca10028\s110
Could you please teach...
Hello,
I'm powering a Readbear BLE nano using a CR2450 coin cell battery. The firmware application is written using mbed. How can I measure the battery level of the CR2450...
hi,
can i use timer interrupt has more than 1ms period??
#define APP_TIMER_TICKS(MS, PRESCALER)
((uint32_t)ROUNDED_DIV((MS) * (uint64_t)APP_TIMER_CLOCK_FREQ, ((PRESCALER...
Hi, I'm trying IOT SDK now and I got some questions
My devices: nRF51422 DK, nRF51_iot_sdk_0.8.0_f1f6187, iot_ipv6_coap_client_pca10028
Q1: Why is the advertising interval...
Hi Nordic support,
I am building the ble_connectivity project of the latest SDK11. My EVB is pca10028m, the project is located under "nRF5_SDK_11.0.0_89a8197\examples\ble_central_and_peripheral...
HI,ALL,
in the Blue Core Spec, there are such statement here,
L2CAP permits higher level protocols and applications to transmit and receive
upper layer data packets...
Hi, I use [nRF5_SDK_11.0.0\examples\ble_peripheral\ble_app_hrs\pca10040\s132],but I get error such as the following.
{
............\components\softdevice\s132\headers...
I read this older post ( devzone.nordicsemi.com/.../) and have a similar issue but with enough differences that I felt it was worth a new question.
I have an STM32 MCU...
HI, I am new to embedded system and just start to learn NRF52 DK. currently I want to configure a pin of nrf52 as interrupt. so i created new GPIOTE_Handler function . however...
hi, i am getting a lot of help in here, thanks a lot
i'm using SDK 6.0.0 for my project. and i want to use timer as a counter like as the title.
then, i fount the app_timer_cnt_get...
hello,
I am using S130 softdevice. While I am trying to connect with MCP I am getting one error with error code :0x08. and MCP is showing a message like "Lost connection...
Hi,
I have a battery powered device which goes to system off mode when it is not used. I want to do some stuff when the battery is inserted the very first time after production...
My application uses the Softdevice, app_timer and app_pwm.
So all timers are in use, but I have to measure two more pwm signals on two input pins.
(Those come from HC-SR04...
Hi,
I'm resetting the chip externally using the reset pin to not be in debug mode. I'm running the system off example here modified to not use buttons.
I have the J...
