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...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Hi everybody, i want to read NFC tags and send them via BLE to iOS app. How can i do that? Can i work with nRF51822 and Elechouse NFC R/W ? www.elechouse.com/.../index.ph...
I'm using SDK 9, I flashed the softdevice 8.00
I compiled the project located in \SDK_9.0.0\examples\dfu\bootloader\pca10028\dual_bank_ble_s110\arm5_no_packs
I flashed...
Hey,
I am trying to use app_timers and nrf_delay_ms together but the system gets stuck almost everytime. I have the following code:
void timer_handler(void *p_context...
We have noticed an issue when using the UART on our nRF51822 (SoftDevice = S130, nRF51_SDK_9.0.0_2e23562). Our Nordic app waits for commands on the UART and processes these...
Hello Everyone
I am trying to configure the two GPIO in High Drive mode 5mA but after compiling the program it does not seems like congifured to High drive Mode because...
Hello, I am designing a system to transmit a mono or stereo audio signal over RF, a few hundred feet, then receive it and reconstruct the audio and listen to it on a speaker...
I am developing a HID keyboard with SDK v6.1, SD v7.3, IC revision 2.
The keyboard is already able to advertise (non-whitelist) and bond with iPhone, and connect/reconnect...
Hello
I want to optimize SPI com as fast I can do:
First I am using the fast spi data rate by SPI_FREQUENCY_FREQUENCY_M8 variable and I want to reduce at first the timing...
As far as i understood it supports 4.2 BLE because using it i'm able to see packets between nRF52 central and peripheral boards (HRM example). Is it so?
Question:
I am confused about who can do (or rather who usually does) whitelisting - the master or the peripheral device?
My findings so far:
I can't find a certain...
Hi,
I have written a windows 8.1 application to connect to my custom nrf51 device. It is used for configuration and is set up without requiring a password (I do not need...
I want to be able to transmit the on-board temperature and battery voltage over a beacon application. The application only needs to transmit periodically similar to an iBeacon...
Dear,
I'm now face problem on button interrupt.
I use 3 buttons for my system.
button 2, 3 is used for boot diagnostics. assigned as below.
bsp_event_to_button_action_assign...
I'm trying to lighten the leds using ble, my problem is that when I measure the current consumption when the leds command sent, it reaches to 5mA which is not suitable for...
