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...
Hi I would like to, at app level, implement access control to characteristic. My characteristic is configured solely as notify (no read, no writing).
When a smartphone turns...
I am testing about tx power level on nRF5_SDK_15.3.0_59ac345 with nRF52840.
I have some confusing about sd_ble_gap_tx_power_set() function.
In peripheral advertising...
Hey guys I want to resolve some issues regarding RSSI values received from BLE beacons. I have ibeacons type.
1: Ibeacon format says the last byte is signal signal, is it...
Hi, after following the tutorial about building the asset tracker firmware I came to the problem of generating merge.hex file. The zephir.hex file is generated, but the merge...
chip: nrf52840 aQFN package
5~10% of the products were defective. by causing analysis, There are short some pins bottom of chip.
I already read this guide after this...
Dear All,
I am using the NRF51822. I downloaded All the latest SDK and Segger Embedded Studio. No matter which sample project I choose I get the same error.
C:/Nordic_Semi...
hello,
please guide me to active LTE in Iran. i used several modem firmware release and can't connect to the network. im using nRF9160 DK and testing with AT sample programmed...
The Nordic Uart Service example in SDK14.2 with SoftDevice 5.1.0 appears to use Write Request judging by the timing which limits transmission to about 30mSecs per packet with...
Hi,
We're using the Android BLE library from Nordic. It really helped us handle a lot of the things we didn't want to think about handling on the bluetooth stack. (Thank...
Probably frowned upon but like being able to work from raw datasheet, so I know that I can. So given that the datasheet would suggest that changing a GPIO pin to be an output...
Hi,
On latest SDK (15.3)n nrf52832, PCA10040, on ble uart bare example, I get a bug when stopping advetising:
line 659: "p_advertising->evt_handler(p_advertising->adv_evt...
Posting this in hardware because it seems like the most appropriate...
We are conducting some localization experiments where we will be capturing advertising packets of...
It has been working with no problems. Neither the At application or the asset-tracker one will work. Is there anyway I can test/ find out whether there is an issue with the...
Hi,
I want to ask you, if they're any phase locked loop (PLL) that can be used ?
My problem : I have two square signal generate by an Arduino Nano and a PWM on the nordic...
I have inherited some code that is production after doing some extensive testing on battery life have noticed that after writing to the flash my power consumption on the Nordic...
