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...
why not provide the ready-made tools？ like micro_ecc_lib_nrf52.lib and nrfutil.
because it 's really take user a lot of time to built these tools.
thank you.
Im making a project were i have two robots each one with a device connected with a mobile phone. But at same time i want that, when they are near each other they exchange...
Hello ! I'm beginning work with BLE . I have a project in which nrf51 is a central. App from smartphone will sending to central any key for example "3214941E0" when central...
Hello Nordic community,
I have a question about implementing DFU on the custom board. By looking at NRF52 DK and reading explanation in Nordic infocenter, I can see that...
Hi,
I am have a custom breakout board that uses the NRF52832 chip and I was able to program it using the J-link programmer and seperating ribbon cable to expose the Vtarg...
How do I maximize range for BT5?
I have two nRF52840 pdk units and I have loaded the ble_app_att_mtu_throughput app and tried it out. I have been seeing around 70 meters...
Hi. I tri to use my soft i2c lib
It works well at nrf51 and other mcu's. But nrf52 i2c_read doesnt works properly.
Other funcs works well.
When i read byte from i2c slave...
Hello
in the zephyr 1.7 release there have NRF52 and NRF51 porting without softdevice .
in the SDK 13 ,there has Freertos example working softdevice ,is there any plan...
hello friends :)
i'm trying to make an nRf51822 evaluation board for breadboard
i used 0.1" header and power from usb connector
i'll upload my altium schematic and...
Hi,
We are doing DFU updates through a nrf51422 dongle (data passing from UART to BLE), using our own code, based on the multilink central example.
The DFU peripherals...
Hi, I'm have a question :
If i download s120 or s130 softdevice, which SDK version i need to download ?
Which version is compatible with my nrf51822xaa ?
The reason is...
Our BLE hardware is designed to send data at 50 Hz speed continuously using nrf51822.
It worked well with APP with Android 4.3 and some Android 5.0/6.0 ,we can receive data...
Hi,
I'm getting familiar with my nRF52 DK (PCA 10040).
I stumbled on something when I was doing an application that toggles LED1 on every TIMER0 event (200ms). Here...
Hi,
Id like to understand the FDS state after flashing the device. Im trying to check if the record exists then I use it, otherwise I write a valid info into the record....
