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 all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
I am planning to use the nRF51822 and the s130 soft device to manage data coming back bluetooth sensor nodes. It is likely that there will be more than 8 peripherals, although...
The SoftwareSerial library allows GPIO pins to be used as TTL serial pins by bit banging.
The nRF5 suffers from the same problem that the Arduinos have. 1 UART.
Does...
Hello guys
I tried to start TWI bus and got a lot of questions. (NRF51 1422 AC)
I added necessary libraries, could You tell me what more i need to include in my code ...
Hi , We are using NRF52832 for our product .I have a small doubt in using GPIO . Can we use PORT and PIN events simultaneously at a time .
I need to configure some pins...
Hi,
I have three beacons in my setup:
One listening (R1) and two transmitting (T2, T3). T2 and T3 transmit packets with same length.
Say, T2 has started transmission...
Hello,
My system is one device with multiple host, these host will connected to the device on irregular basis.
The host action are listed below:
scan->connect->write data...
hi, i'm going to do some project with nrf51822 and SDK 6.0.0.
i just made up ble connection between phone and the chip.
and i want to send data some fixed time periods...
Hello,
I think there's a bug in the app_uart library in SDK 10 that occurs when the FIFO is enabled.
Using SDK nRF51_SDK_10.0.0_dc26b5e, I was trying to write data to...
I'd like to control a DC motor using PWM (PWM0, pretty straight forward).
To determine motor speed I disable the PWM every 5ms (TIMER1, pretty straight forward) and measure...
Hello,
Our application consists of 100 BLE static centrals and 1000 BLE moving peripherals. Is it possible to hide our BLE peripherals to be visible only by our centrals...
Hi,
i'm testing an application on nRF52, with nRF5_SDK_11.0.0-2.alpha and SoftDevice 132.
I took the ble_uart example and added a custom service with some characteristics...
Hello,
i'm trying a bluetooth connection between nrf UART v2.0 installed on my phone(android 4.4) and nRF 8001 (i'm usign nRF2740 card). My microcontroller is a STM32....
Hi.
I made my own board using nRF51822AC.
I want to connect this board to PCA10028.
There is Debug OUT port(P19).
Net names are EXT_VTG, EXT_GND_DETECT, EXT_SWDIO, EXT_SWDCLK...
Hi.
I'm using PCA10028, SDK10.0.0, S130.
Example code is using "ble_db_discovery_start()" function to discover peripheral.
In this function, there is "SRV_DISC_START_HANDLE...
