In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
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...
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...
Hi
I've playing around with the new peer manager a while. I used the example "ble_app_hrs_rscs_relay_pca10028.uvprojx" from the SDK10. After a first fix (see Link ) in...
Hi,
I want to use timer1 or 2 interrupt ISR to generate complicated PWM signal.
but the timer->intenset setting cause ble connection drop problem.
Please refer to my...
Hello. I'm having the following connection module with nRF51822 chip.
It was purchased here .
I've found example sketch for Arduino but i can't understand how to wire...
Hi,
I have been developing using some development modules from WaveShare (based on the nRF51822 QFAC) and they work fine.
However, I'm now trying to use a module better...
Hi Nordic Expert,
I am Alex and have been developing with NRF51822 for a long time. Thanks for your quick help before. Now our product bases on S110-7.1.0 and SDK-6.1.0...
Hi
i wrote the program which is making pulse one time on channel 0 and then followed by channel 1 and then again channel 0 and then 1 going on , my aim is to create pulses...
