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...
We're trying to implement initial programming of the chip using SWD. We can connect to the chip and successfully enter debug mode but from that point on (as per section 11...
Hi,
I'm gong to design a pcb for nRF81522 (for both packages: QFN 48 pin and 64 pin WLCSP). I coudn't find the footprint in any documents. I appreciate if anyone can send...
Hi all,
Trying to read out the nRF8001 serial number using the nRF8001 SDK 1.7 and I cant seem to work out where I should be making the call to lib_aci_get_address?
After...
I'm a wireless novice, but have electronics experience.
I'm looking to add bluetooth low energy communication from a battery powered MIDI controller to a Macbook Air (or...
Ole,
I am trying to update the serial number value in an already initialized standard Device ID profile.
[i]dis_init.serial_num_str.length = (uint16_t)strlen(newserial);...
Hi,
We are trying to reuse the RF frontend design provided in reference design of PCA10000-nRF51822 Development Dongle 2_0. But because we have different board thickness...
I'm trying to add another timer to the BLE proximity app sample code in a new source file which is a driver for a GSM modem. My timer handler function is never called.
...
Hello,
How can I synchronize the wireless nodes (one nRF24LE1 on it) in a real-time wireless sensor network? I use nRF24LE1 as the transceiver and receiver.
Thanks.
Easy task, and long way..
I need to counting/measuring time how long time 220V line was on-line (assumed all time after install).
I've tried to find ready-work chip FR-transmit...
hello I'm Mehdi. i work on two NRF24lL01 wireless modules. I have a doubt that this modules can be damaged or not work correctly. because the module don't give external interrupt...
Hi!
I am trying to make basic temperature nodes with nRF2402.
The receiver is nRF24L01 transceiver.
My question for nRF2402; is it possible to send config bits via...
Hello,
Recently I've begun updating to the new SoftDevice and SDK for the nRF51822. When I began debugging my migrated code with the development dongle and Master Control...
I'm looking for a little guidance in figuring out why I get this error now when I call SOFTDEVICE_HANDLER_INIT. It appears that I get the error above at the end of softdevice_handler_init...
Dear nordic guys,I'm developing with nrf51822.
I have one simple question.
I want trying to connection request at the BLE server side to BLE client with previous connected...
