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...
Hey, I am working on the proximity application on nrf51 DK. How can I get the bsp_event_handler to get triggered on a button multi press (such as pressing button 1 twice rapidly...
Hi,
Do you have support for mobility in Cat-M on your nRF9160? This is usually done in RRC connected, but i'm wondering if you are able to support it in eDRX as well?...
Hello;
We are developing a project. And there must be three features in our project.
1) Should scan and transmit beacon at the sametime
2) Chip should read and write...
How can i read advertisement and not connect? I would like to do some checks on the advertising data within BLE event BLE_GAP_EVT_ADV_REPORT and then decide if i want to manually...
I am trying to transmit a modulated carrier with a high duty cycle but it does not work
the same command works with the default duty setting (50%).
The cli freezes when...
VUSB current consumption of the NRF52840: We have a setup where the 5V supply to this pin has very limited current capability.
What is the maximum current which can go into...
The Problem: HardFault within sd_softdevice_enable. With HardFault breakpoint enabled, the debugger halts at address 0x8C8. With this breakpoint disabled, breakpoints after...
I having trouble setting power level above +4 dbm in my app based on the example "ble_app_beacon" using the PCA10059 nRF52840 dongle. I have updated the main.c with the following...
Hi, i'm designing a device which is based on nrf52832 chip and i need to add two IC on my board, the first one is the MAX8856 to charge the battery of my device and the second...
I want to execute timer interrupt at a certain interval, like 1sec or 5 sec.
I measured an actual interval of voltage change with oscilloscope, but the actual interval is...
Hello
i have nrf 51822 beacon and i need to setup beacon that he send out data and i scan it without connecting-read brcst data.
i scan microchip 4870 and other beacon...
What is the best method for attempting to recover from a stuck TWI bus after init?
I am currently initializing the TWI instance with .clear_bus_init=true but this only...
I just finished upgrading the SDK version from v14.2 to v15.3, one thing I'm having trouble with is that after secure buttonless DFU finishes the call to `sd_softdevice_disable...
I'm testing this with SDK 15.2 on an NRF52832, with SD132.
I'm trying to implement error handling for FDS, but some cases are not clear to me how to deal with them.
Am...
We are working with DK nrf 52840 and the sdk mesh 3.0, BT sdk version is15.2 (dimming server example).
We noticed that when nordic app(nrf mesh - android) send a generic...
