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...
I am experiencing an error that I can't figure it out why it is happening and where to go and try to fix it.
I am using the subscriber implementation on my nRF51, Raspberry...
I see in multiple examples of NRF51 SDK:
#define APP_TIMER_MAX_TIMERS (2+BSP_APP_TIMERS_NUMBER) /**< Maximum number of timers used by the application. */
but it is...
In ble_gatts.h, I see:
#define BLE_GATTS_FIX_ATTR_LEN_MAX (510) //< Maximum length for fixed length Attribute Values.
#define BLE_GATTS_VAR_ATTR_LEN_MAX (512) //< Maximum...
Hello Everyone,
I have been working on the NRF51DK by using proxmity examples as reference when i added the static passkey for the connection security it is working well...
Hi, i am new to embedded system.I want to use nrf52 DK as master and connected with two slaves by two spi channels? is it possible to achieve on nrf52 DK.
1>How to set up...
when i turn on the Keil, they have showed error to me
"Install missing Software Packs?
NordicSemiconductor.nRF_ConfidentialDeviceFamilyPack"
then i try to re-intall familypack...
Hi,
I wanted to know How can I find if any application on any platform(Central device)is listening to my advertising packet or not !!
The whole idea behind this is to...
Hi,
I have made a few custom boards based on the nrf51822 but on my latest design, I'm having a new problem that I haven't seen before. I have read the posts in the forums...
hi everyone,
i'm testing an application on pca10036 board where i need to create a large buffer. i use Keil v5 as dev. environment. My buffer is static and global, therefore...
I'm using 2 nrf51 DKs one as central and one as peripheral. I'm wondering if there is a defined time that a write takes to be registered on the peripheral?
This is a simple question: If I have a characteristic with, let's say an int16_t in it and catch the write event in a ble_gatts_evt_write_t structure - is the data field in...
I am working on bill of materials that asks for part NRF52832-CEAA, is this a valid part number as I have been told by distribution this is not a valid part number?
I just needed some clarification as I'm migrating from SDK 6.1 to SDK10:
app_button: There's no way to have the Button function thru the Scheduler anymore. I would...
i am using latest "master control panel" v4.0.5 and latest "nRF tool box" v1.16.2
and use sdk 5.2(its compulsory)
soft-device s110 v6.2.1(its compulsory)
and PCA10028 with...
Hello everyone,
Could anyone tell me which pins are the programming pins of the nRF51822 chip for a QFN48 packet ? How can I program it on my custom PCB?
thanks..
