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...
Hello!
I have a problem with ble DFU application upgrade. I use the Master Control Panel 3.10.0.14 under Win 7 on virtual machine and nordic ble usb dongle.
On the firmware...
I used AdaFruit Bluetooth LE shield previously that uses nRF8001. I can define new customer service using nRFgo studio (which only supports nRF8001). I am moving towards using...
Hi,
I am using pca10040 board. i need to toggle a led in 5sec once. I tried to change the prescale value. But im not able to get that much time delay.
Can any one help...
SDK Version: nrf51_iot_sdk_0.8.0_f1f6187
In SDK all examples are given for PCA10028. Is it possible to run on PCA10001?
What I have done so far with PCA10001:
1.Programmed...
Hello,
I have modified the Android-nRF-Blinky Application to use it with the Datathroughput Demo on the nRF52 DK.
The android application runs on a Nexus 9 with android...
Hi, i try to understand how to use mode for supply voltage measurement. But i have a problem and i get always 1.225 volt
hal_adc_set_input_channel(HAL_INP_VDD2_3);
hal_adc_set_reference...
Hey all,
Wondering if we could use an external 65.536KHz LF clock, or thereabouts, instead of the 32.768KHz? We need better resolution for the RTC, but don't want to turn...
hello im from mexico, last week i order 10 NRF24LE1 and arrived the next wake,
but before i have many cuestion about.
someone can tell me that the burner can work?
compiler...
I had a mbed firmware running on a ST Nucleo 64 that periodically query a sensor for data. It only use the I2C, a button interrupt and a LED for heartbeat. I ported it to...
Hi,
I want to know that if the TWI easyDMA in nRF52 can help in achieving this task:
we want to read from TWI each 10msec based on a timer interrupt and write...
Hello:
I have detected a problem with a timer on my program.
I can solve it, but I would like to understand what is happening exactly.
My program starts to scan BLE signal...
I'm writing the client-side code for the Nordic DFU service and according to the spec, the DFU packet characteristic uses Write Without Request. Are there any examples of...
Hi,
I'm trying to implement a HID gamepad on nRF52832. Here is my situation:
nRF is receiving frame over UART from master uC every 15 ms. Frame is being converted and...
