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 get the UART working, following the idea given in the Nordic Infocenter / nRF5 SDK Hardware Drivers / UART / Using the UART Driver.
I have downloaded...
The code below is transmitting data from device (mcu+BLE) to an open source BLE terminal :
void BLE_communication_device_to_app(void)
{
ble.updateCharacteristicValue...
nrf51822_sleep_and_timer.txt
Hi... I having tough time to make the sleep function to work when timer/RTC is running in the background of nRF51822. The attached text file...
i am new to android programming and bluetooth low energy interface . i am using nrf51dk nrf51422 chip . My android app is currently able to detect the bluetooth module but...
Hi,
We are using the nRF52 chip with other RF modules. Is there any ground restriction that we need to be aware of in our design so that there is no interference ?
...
I have written an application which transfers data from an nrf51822 device to a phone once a day. It currently uses notifications to transfer data, at 20 bytes per notification...
Hi,
I'm learning the BLE protocal these days, I didn't see the protocal say how may packages can send per connection event. Does it mean that the number of packages is...
Hi
Details:
I want To send 40 bytes from GATT Server.My Requirement is same as in this link .I have added the code snippet in this link in my code.When I am sending 20 Bytes...
Hi,
I would like to use the NFC capability of the nRF52 on a custom PCB, and I was wondering if the tag and connector used on the PCA10040 are for sale anywhere, I can't...
We want to design a setup for simultanious translation of up to 3 translators and up to 30 people receiving a translation.
Is it posible to setup a single transmitter, sending...
Hi everyone,
I am trying to monitor and measure the signal strenth variation by varying the positon of the developement kit NRF51 and i tried with the proximity example...
Hi,
I'm using v1.21 nRFgo. As programming 51series ,
(1)I want to know if the program check the hex file before the log dialog shows "programmed successful"?
(2)And...
I run nRF51 with S110 and advertising at least standard battery service. I can see my device in LightBlue scan window but in iOS Settings->Bluetooth it is not picked up. Which...
i am aiming to design a simple data transfer network. i am using 2 DKs. the first one is the central which runs a modified version of MULtilink Central Example and the seond...
