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 dear Engineers,
I am affraid to use FLASH to manage PEER data, it is wrong way because of Wr op. limitaion.
Instead of that, EEPROM or FRAM must be used anyway.
How...
Does single bank bootloader in SDK7.1 support ZIP-file ?
I get error REMOTE DFU INVALID CRC ERROR in the end of flashing by nRF Toolbox when I use ZIP.
If I use hex-file...
Hello,
I am trying to implement OTA firmware update using Secure DFU.
SDK - 12.2
Softdevice - s132
Board - PCA10040 (nRF52)
I followed instructions mentioned...
Hello,
I just want to clarity the sd_ecb_block_encrypt() operation cases (S110).
In pp. 23.1.3 of RM (Shared resources) sayed:
The ECB, CCM, and AAR share the same...
Assuming SDK 12.x
For those people that want to integrate the Buttonless DFU service to their app, which uses already one custom base 128bit UUID, please make sure to:...
I need to add connectable beacon advertising data instead of normal advertising for proximity profile example (NRF52 DK -> PCA10040 ->S132 -> nrf52832).During Advertisement...
Hi,
We had a power issue with our custom board related to DFU updates. After performing a DFU we were seeing 8mA idle current, and when we had programmed the firmware directly...
Hello,
can you provide a best practice guide on how to use memory protection unit in nRF52832.
I am interested to know if MPU can protect user defined memory regions...
Hi,
I want to know Tx power and duty cycle information of Beacon and NRF52 for the following cases:
In our case NRF52 will be our receiver and Beacon will be transmitter...
During the CE immunity test, the nRF51822 has to re-connect automatically without user interaction when the BLE connection is blocken by noise. Please tell me how to implement...
hi,all
my device use CR2450 button battery,advertise time 500ms
TX POWER:4dbm,the battery life is low if it still use this configuration
(May be big current lead...
Hi all,
I am using a nRF52832 with SD S132 V4.0.2 ion SDK13.
My application currently uses TWI, SPI and BLE and also 1 wire (which is based on delays). Everything works...
Hi!
I am working with PCA10040 (nRF52), s132 and SDK 12.2.0.
I am using the example experimental_ble_app_eddystone.
I have configured one slot as TLM, so it reports...
