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 managed to integrate the buttonless DFU example, but while testing it, I have a few difficulties.
I use Lightblue to access my services and enable notifications...
Hello There, I want to connect two slaves to my nRF51422 PCA10028. I came up with the idea of using two master communications which share MOSI AND MISO but have different...
Can the chip be updated from an ANT device to a BT Smart Central. This means it starts its life with an S210 and then gets a serial code update to an S120. Obviously with...
Hi,
I'm testing writing and reading at one of my characteristics in Master Control Panel v.3.7.1 (SoftDevice S110 v7.1.0). As shown in the following figure, firstly I've...
Reading from the FICR seems to produce some results other than what I would expect. For example, reading from offset 0x10C seems to return the flash size (instead of 0x110...
Hello everyone
i am using QFAB/DCconcverter reference layout to design my prototype, using the 3V coin cell battery as a power source .my question is in the reference layout...
Hi,
I tart using HID keyboard example, SDK 8.1.
If i turn off the ble of the ios device and then turn it on the nrf51822 is connected but it is not send the chars.
...
Hi, Nordic Engineer:
Would you like to give me some advice? On my hand, i have a slave ble device(not nrf51822, also i can not change the code). I want to run s120 softdevice...
i am able get the status of led of pca10001 board using usb dongle. now i have to make other pca10001 board as central and want the same data of it? Kindly help, i shall b...
We are planning to optimize the radio-frequency signal,so the some docunments like Simulation model are needed.which can help optimize the RF signal through ADS simulation...
In ble_advertising.c, line 165, you can see such interesting code. I assume it is a copy/paste error:
if(p_advdata->p_tx_power_level != NULL)
{
m_advdata.p_tx_power_level...
For the first, impressed by your intoducing NRF52 chip.
Question: what`s NRF52 indoor range using onboard antenna and maximum output power (+4dBm)?
Thanks.
Hi~
I am struggling to get the BLE packets detected by nrf sniffer (v1.0.1) using wire shark. Its only showing "ADV_IND[Malformed Packet]" periodically. I didn't understand...