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...
nrf51822 SDK 9.0
iphone 6plus System version IOS9.2
When the phone receives the QQ message "static void notif_print(ble_ancs_c_evt_notif_t * p_notif);" can execute.
but...
I am programming with mbed, and i am trying to start the adc-task via ppi and timer cc events.
another ppi channel is used to toogle the LED.
I am using the nRF51822 on...
Hello There,
I am looking to use many of the features found in the SDK Common Library such as the application timer. I am looking at the documentation and I am unsure how...
According to the S132 v2.0.0 release notes it states:
"minimum required memory - actual requirements are dependent upon the configuration
chosen at sd_ble_enable() time...
I need to implement the micros() function of arduino on nrf51822. Can someone guide me on how it can be done?
This the function for Arduino:
unsigned long micros() ...
We have two developers running the same version of IAR and the SDK and one of them has different device options under the project options. My IAR project works with NordicSemi...
Am using SDK 8, Single or dual bank serial bootloader brick during SoftDevice upate. Brick happens only if softdevice CRC validate fails(Stop Cmd). During CRC validate pass...
I'm connecting to the same microcontroller with nRF Master control using the same firmware, but I noticed that the connectivity time is not similar with every connection....
Hi guys,
I have a question when design the pcb layout stack with nRF52832, CSP package (CHAA). As recommendation from Nordic, using 4 layers will give best performance...
I noticed that Digi-Key had a new part number for the nRF52 DK that wasn't designated "Preview", so I assumed it might be the final silicon. However, nRFgo Studio identifies...
Now I work on designing a product, which is implemented by sending LMP commands to a bluetooth device with nrf51822. Unfortunately, nrf51822 liberary could not provide the...
Hello All
I'm newbe for this device. Now my customer asking multiple offline programming IC NRF51822-QFAC-R. But I'm not sure the device can support parallel programming...
Hello,
has anyone done some good testing on the connection quality between multiple nRF51 chipsets running on the S130 SoftDevice? (Using all four connections, 3 as Central...
