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 use a smart beacon kit (rev 1.0.0) and I would like to know how long the cpu is blocked during the data transmission/reception. I set the connection interval to 10ms...
We are designing a nRF52 based circuitry based on "53.2 Schematic QFAA QFN48 with DC/DC regulator setup"
In the reference diagram, there is an Optional block for the LFXO...
Hey all,
I've created HIDs using USB before which require a vendor ID (VID) and product ID (PID). Are these necessary when creating a device that uses HID over BTLE? If...
Is it possible for nRF52832 to drive an SPI TFT 240x240 LCD and a TWI Capacitive Touch Panel with BLE and NFC? Is 64Mhz the highest speed?
What I mean is that is it possible...
I am creating a project which must use two spi at the same time , the one store data to flash and the other use to communicate with FT221 .In the datasheet ,I realize that...
Hi Devzone,
We are currently awaiting arrival of our custom board, based on the nrf52 chipset, and I've been tasked with determining any potential gotchas with programming...
Hello,
I am trying to implement a star network with more than one datapipes enabled, where (between other tasks) the PTXs devices have to synchronize their clocks (real...
Hey, I am compiling some code to both read ADC measurements and send the measure it over UART. I looked at the ADC+UART+SOFTDEVICE example on github and I think I am pretty...
Can you please provide me the iROM and iRAM settings for the S110 softdevice for the nRF51822? Specify the SD version you are using please.
I'm reading nRF51822_Development_Kit_User_Guide_v1...
hi
i get vlaue with this line of code
but i did not specify what char should get it value
how can i get value from specific char?
i have nrf51422 v2 sdk v6
hi,
Everyone,
I was just checking on nrf51422 Dev kit for LFCLK and HFCLK oscillator configuration.
with lfclk set to start external oscillator ,it does not start external...
I have a Project using DFULibrary framework in my workspace. When I try to archive my target to generate the IPA file, the IPA file is not generated and can't be exported...
hi,
when i run the application , i used the external spi flash to download the firmware from my company's server, then make a upgrade flag to the spi flash and reset the...
