I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
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.
I'm trying to get 128bit service uuid as referring to "ble_app_hrs_c" source code.(S130)
And my test peripheral device provides GAP, DEVICE Information and User service...
Hi
I've detected that when using the NRF51822 under Eclipse and GCC compilers, global variables are not automatically initialized. This is because an error on the startup...
I am having some issues figuring out how to send a simple string or character to my central.
What I want is the peripheral to send an acknowledgement back to the central...
Hi,
I want profile / Log the events occurring in my board and save them on to flash. Unfortunately when ever my nRF51822 goes to sleep and wakes up again APP_Timer which...
Dear nordic guys, I'm developing with nrf51822.
I have one simple question.
My customer LG electronics wants to get the nrf master control pannel android app source code...
Hi
I am trying to modify my application so that it uses the latest version of softdevice (v2.0.0-8.alpha) instead of the current one I am using (v2.0.0-7.alpha). My application...
SDK: nRF5_SDK_11.0.0-2.alpha_bc3f6a0
Chip: NRF52
If I perform a TXTX transfer using the twi driver, it sends a repeated start/stop bit in between the two transmits. Is...
Hei,
I would like to compile ble_app_template example which is located in nRF5_SDK_v11 library. I get the following warning "Could not create/access path '._build' !" when...
Hi,
I'm using a timer to send message over uart.
Here is the initialization code:
err_code = app_timer_create(&m_uart_timeout_timer, APP_TIMER_MODE_SINGLE_SHOT, uart_timeout_handler...
I'm hoping this is just something silly that I've overlooked, but I'm running into an issue: Whenever I try to prompt the scheduling of a TWI transaction an error occurs ...
im using sdk10 softdevice 8.0.
on my app I configured #define APP_ADV_INTERVAL 1500 and I noticed that when I activate Dfu service (activate notification on last service...
hello,
I am trying to direct advertisement on NRF51822 board.When giving the peer address i am confused that how to specify the address type of the device, whether BLE_GAP_ADDR_TYPE_PUBLIC...
Hello,
I made 10 custom board with nRF52 rev C, epson 128FA 128 32 MHZ, epson FC 135 32,768 KHz
I have some difficulties to get crystals working.
10 of the CPU run...
Hello!
I've developed a board with NRF8001 module mounted on it. Antenna on the board is much longer than in reference designs, so I can change the length. I also can add...
We been developing device based on NRF 51822 (NRF51822-CFAC-R) (62-UFBGA, WLCSP).
We plan to use 2032 battery, and need at least one year of autonomous BLE work, our device...
