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'm trying to run your ble_app_hrs on your nrf51822 chip using internal rc clock: NRF_CLOCK_LFCLKSRC_RC_250_PPM_4000MS_CALIBRATION, so I pass this to the BLE_STACK_HANDLER_INIT...
Hello,
I have just bought an NRF51822-EK to familiarize myself with the micro-controller for a potential future job. Admittedly I feel like I am completely in over my head...
I've made a custom board with an nRF51422. The nRF51 part follows the reference schematics almost identically. After overcoming some reflow issues this board seems communicate...
where is nRF51822 example code appropriate to "nRF Temp App" ?
I have successfully installed "nRF Temp App 2.0" on Nexus 7 with Android 4.3.
Now I would like to run the...
Hi,
I want to install the nrfgostudio_win-32_1.15.1_installer,but is's fail.nrfgostudio V1.14 can be installed sucessfully.I still use the command line to install the nrfgostudio...
Hi,
Sorry for the noob questions but I'm trying to understand the GPIOTE abstraction and terminology, specifically the events, interrupts and tasks. My understanding is...
Hi
I have a question when I use the l01+.
I donn't use the Auto acknowledgement and Auto Retransmission, interrupt does not reflects on the IRQ pin and leave the IRQ...
hi,
i try to analyze the sdk sample with the standard(Server) ,ie : basic battery service
how to build GATT Requirements and Service Characteristics with the...
Just got the RF51822 PCA 1001 dev board and followed the instructions in SDK 4.4.1 and downloaded the Keil Lite tools from the ARM website.
BUT, didn't realize Keil has...
Hi,
how do I evoke Gazelle on NRF51422? According to specs NRF51422 supports both ANT and Gazelle although on SDK for 51422 the gzll folder is missing. It is present though...
Hi ,
I am using PCA10001 board.
Now i want create 4k buffer in RAM. Which is good way allocate memory to 4k buffer.
Can i use dynamic(malloc function) or static memory...
Assuming the system is composed of one device using nRF51822 and iPhone/PC,
If we want nRF51822 detectable by iPhone/PC so that iPhone/PC can connect nRF51822 when they want...
Hi!
I have been using Bluetooth 2.0 modules for years and now I want to take the step to 4.0/BLE. Previously I used Free2move modules with built in stack. Very simple, make...
I have the nRF51822 development kit (with the new hardware revision QFAA or something), and I am using the Master Control Panel with the new 0.9 firmware for the dongle. ...
