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...
Hi guys,
i tried to find information about the differences in chip revision
nRF51822-QFAA-R7, NRF51822-QFAA-T and nRF51822-QFAA-G0 but i can't find the R7 or T type anywhere...
1.
Are there any other resources than RTC/WDT requiring 32kHz LFCLK, not listed in Table 28 of nRF51422 PS (i.e. Radio)?
2.
ANT stack requires LFCLK +-50ppm, so +-25ppm...
Hello,
I'm getting an exception while starting MasterEmulator Sample Programs. All indicated Dlls were copied along with .exe, windows ver is 7. the same error happens...
Hello all,
I would like to send Acc and gyro data just like health temperature over nRF8001. Which Service can I use? How can I create one?
Thanks for help in advance...
I have BLE Shield V2.0 and i want to change the device name from the iPhone. We can use nRFGO Studio to change the name from GAP Settings but this is only one time change...
When using proprietary radio protocols only (Shockburst/Gazell) are there any difference between nRF514 and nRF518 chips? Do they behave totally equal so they can be used...
I need to send a data package when radio is ON every time
but I try to send data by "sd_ble_gatts_hvx()" I find it can not work,it seems that I can't call this API to send...
Hi
i'm new in dev zone and i have a question
now i work with nRF8001 and i want to design a pcb for it.
I want to reduce the BOM and for this i want to use only the internal...
Hi,
I am trying to use the DFU example provided in SDK 5.1.0. I have built the example using gcc 4.7.x, and i am also using softdevices 5.2.1. The DFU example has been...
Hi,
I've the need to write a characteristic value of 65 bytes, from my central device (iPhone/iPad) to a nRF51822 peripheral device, so I was looking at this document for...
Hi, sorry if this is a dumb question. I've just ordered some development kits and maybe that will answer the question, but i'm being a bit impatient!
I want to put an nrf51422...
My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi all,
In my project ,I use the SPI to communication between nRF51822 and STM32,but I don't know
how does the heart_rate data transmit to BLE stack.
I am confused...
We have a custom nrf15822-AA board flashed with the S110 (6.0.0) and our application. It has a 32khz crystal. It is connect to our (Mac) development systems with a SEGGER...
I use 51422 with ANT function. When I set a command like "sd_ant_channel_unassign", how can I get response from on_ant_evt callback?
I need to do something after ANT unassign...
