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...
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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...
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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...
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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...
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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...
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Side effect of adding a LFCLK of 32.768khz with 90k ohm ESR oscillator? where as data sheet recommends Max value of 80kohm.
Side effect of adding lower drive level...
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I activated softdevice writing protection with nRFGoStudio (i.e. so that the softdevice can not be overriden). How can I deactivate that again so that I can...
Just to make sure: Will The spi_master_send_recv return when it is done writing and reading, or do you have to have some event wait functionality listening to SPI_MASTER_EVT_TRANSFER_COMPLETED...
I was playing around with the gpiote example under exaples/peripheral/gpiote. The example uses a timer, ppi, and gpiote to blink an led. By default, the app uses Timer 0 and...
Hello.
How to write custom firmware updater, which:
Takes new firmware from other device on SPI or I2C bus.
Writes it to flash ("bank1" at 0x1B000, or...
Hi;
I'm studying on SPI communication at nRF51822 (not DK) but i could not find the pins for spi communication, i read at somewhere SPI is only used at DK(developer kits...
hi
i'm using the nrf15822 beacon for an application of communication on arduino
I just would like to understand how i should start to stream my data using the beacon beacause...
Hi all,
I am using S130 in scanning mode and I would like to list the devices that are currently advertising by their friendly name. I have access to p_ble_evt via BLE_GAP_EVT_ADV_REPORT...
Hi,
I usually use electronics.stackexchange.com/.../15143 approach for decoupling capacitors and until now I had much better EMI performances.
I make sure that tracks...
We would like to reduce the attribute table size a little to increase free RAM. Are there any guidelines explaining how we can judge how large the table needs to be for a...
I compile SDK7.2 example hrs in "experimental_s110_with_dfu" by eclipse,
and I download softdevice & bootloader by nRFgo
then i use master control panel to DFU the hex which...
In the nordic documentation it mentioned that in the init packet we can write list of supported softdevices so that if one of that matches it will start the dfu. But in Signed...
Actually, I'm not good at using English. So I'll try to struggle to type this question...
Sorry, Last week. My boss gave me a Nordic Mouse to develop some embedded one...
Hello,
I am using nRF51822 and meet a question that in the process of bluetooth communication, I will get an instruction for external circuit to stop bluetooth function...
