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...
Having some trouble using the NRF52 as RX and nrf24l01+ as TX. The NRF52 receives the packet, but for some reason it always says CRCerror.
Anyone ever tried to use NRF52...
Hey Guys,
In my custom board I need to use two different I2C bus and one SPI.
At the moment i'm using twi_master to comunicate with one of the TWI bus,
but to switch...
I have several nRF6930 beacon kits. Some have a sticker indicating they have a PCA10006 board, on others, the sticker indicates PCA20006. All PCBs are marked 400059 0138RUBR...
Dear developers,
As we know, nrf51 has a maximum flash erase / write cycles of 20.000 times. So, in my code, I have implemented a counter that checks if max. flash write...
Dear All,
Does it worth coding a selection (scanning?) of "relatively free" radio channel to stick to?
Say, before starting our distributed application (consider a network...
Hi,
The artical form this link is great !
devzone.nordicsemi.com/.../
but I've some interogations.
the clear text contains the nonce value; 12 random bytes starting...
Dear Nordic,
I have managed to modify the HID Keyboard demo (SDK10/nRF51 DK) to have both keyboard and consumer control functions. Works fine on Android, however it shows...
How should the addressing be between an nrf24LU1+(transmitter) and nrf24l01+(Reciever) in the code.?
The registers TX_ADDR, RX_ADDR_P0, RX_ADDR_P1 are updated on a device...
Do we need to explicitly set the ENABLE field (Bit31) of RADIO->OVERRIDE4 when applying the override values from FICR->BLE_1MBIT[n]?
From the few samples I've checked,...
Please teach me the minimum theoretical value of the transmission time in the following conditions.
CPU --> nRF24L01 --(2.4GHz/1Mbps)--> nRF24L01 --> CPU
CPU -->...
I need to send a long (let's say 10Kb) notification from Bluez 5.37 on my Linux device to a mobile phone.
My implementation is based on src/shared/gatt-server.c .
I...
Hi,
I have put in my chip (nrf51422):
-1 softDevice s110 8.0.0;
-2 application (hrm_whit_dfu);
My problem is:
when i send characteristic to start advertising the board...
Hi everyone,
I am new to nRf series and have just started to use the nRF51 Development kit(nRF51422). I am using the s130 softdevice and I have seen that the sofdevice supports...
