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 all,
I'm trying to save the service context with the Device Manager on the Central side. But I don't understand the implementation on how to do this. But no information...
I'm trying to adapt the BLE_BAS_C library to perform discovery and read/write operations for a custom service. However, when I change the UUID that I register with ble_db_discovery_evt_register...
i used this function to send data to my ble device ble_nus_string_send.this function sends ASCII values. and when i pass this function hex values it converts them into ascii...
Hello,
I was using wiringPiSPI() to connect via SPI and so i was using wiringPiISR function to create an interupt handler that will do callback to the user suplied function...
I'm compiling my project successfully in Eclipse, but trying to build it from the command line (cygwin) fails near the end with this error (make, make all, make nrf51422_xxac_s110...
I want to restart the radio portion of the softdevice - all of BLE essentially - to update the connection parameters and device name mostly. Is it necessary to re-initialize...
Hello Everyone
I have designed the schematics for my prototype but i have a question for impedance matching can anyone verify my technical doubt
I had put a 2.45GHz...
We are using nrf51822 for products of our company. We use mbed + nRF51822 driver + BLE_API for the BLE peripheral devices. The softdevice is s130 ver 1.0.0.
I create an...
Can the nRF51X22 be paired with an iPhone to communicate (both ways) using regular BLE and emit a beacon signal at the same time? In fact, I'm looking to change the beacon...
So I suspect there is a very simple answer to this, but a couple days of much reading and searching haven't led me to a very clear answer.
My setup: Galaxy S3 (Android...
I'm trying to move data over the uart characteristic. I followed the guidelines here devzone.nordicsemi.com/.../
In the main loop I am calling sd_ble_gatts_hvx until it...
I'm working with an nrf51822 with the s110 softdevice. So I'm trying to read an analog signal from multiple pins. My program will run fine for quite some time. Eventually...
Hey guys,
I need to record many time interval ?, can i generate system time and use it to record all of my time intervals?
If I want to send all of the time intervals...
The gcc compiler is gcc-arm-none-eabi-4_9-2015q2.
The make version is GNU Make 4.0 (Build for arm-unknown-linux-gnueabihf).
The error message is:
... arm-none-eabi...
So I'm using the spi_master.c from SDK 6.1 to communicate with an LCD driver. I'm using an nrf51822 with s110 softdevice. My system has been sporadically hardfaulting on me...
