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...
Hello,
I am writing here because I am trying to change some concrete values from a .hex file in order to vary some BLE and other values. I need this because I need to generate...
Hello,
I downloaded the nRF Blinky app (for Android) here :
github.com/.../Android-nRF-Blinky
I'm looking to modfy the code to have an auto connection. For this, I...
As far as I can tell, the application is set to invalid (settings.bank_0 = BANK_INVALID_APP) after the application has been successfully deleted ( devzone.nordicsemi.com/...
im trying to use nrf_drv_timer_t with timer0 but I get identifier "TIMER0_INSTANCE_INDEX" is undefined error. TIMER0_INSTANCE_INDEX is defined in nrf_drv_config but this file...
Hello,
is the nRF51822 able to function as repeater or range-extender, repeating BLE signals from explicit two BLE devices (with known addresses)?
I know there are specific...
Hi,
we are developing a custom board based on an NRF51822 and for security reasons are using whitelisting.
So far this worked well with different iOS and Android devices...
i try to modify the saadc exemple program by includding pwm , but after including header file in the application , source in driver, and includding target, i get error always...
Hi All, anyone aware of a module certified for BLE v4.2 protocol? It doesn't have to be built on the Nordic chip, I'm interested in any other one too. Many thanks!
Hello,
I am using PCA10028 and sdk12.2. My challenge is nrf51822 resets after it executes the code for the first time.
I am storing few values in flash. After that I am...
I'm following this tutorial for creating a basic custom service using the ble_app_template from sdk 13 github.com/.../custom_ble_service_example
I've filled in the following...
Hello,
I am using PCA10028 and sdk 12.2.0. Now I have interfaced temperature sensor and I am storing 4000 readings from sample to flash. Once all the 4000 samples are stored...
When I enable DLE with a max MTU size of 247 (NRF_BLE_MAX_MTU_SIZE = 247) and PDU payload size of 251 (opt.gap_opt.ext_len.rxtx_max_pdu_payload_size = 251) and a max characteristic...
log.txt I have programmed my nRF smart beacon with example peripheral code with DK52. My beacon now flashes red. I am using the nordic sniffer to sniff ble packets in wireshark...
Hi,
I will be using ble_uart application code in my nRF52 Evaluation board. With nRF52 EVK I will be connecting external module over UART communication. I want to detect...