Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hi,
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...
Hi everyone,
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...
