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 All,
I am using the nrf_udp_client example project in IoT SDK as the code base for testing the UDP communication.
For network topology, the nrf51-DK plays the role...
Hi everyone:
I have some question about nrf51822 power on sleep mode
in example ble_app_hrs have a "power_manage" function and it will make the system go into power...
Hello all,
I have a simple C++ application flashed to my device to operate the UART - every time I send a char from an external source, the device appears to reset - specifically...
Hello
I was wondering if it is possible to run to separate LP-comparators on the PCA10001? I've taken a look at the example code for LP-comparator in the SDK, and i was...
I'm using interrupt_handler.c for a bootloader without a softdevice from this source . Interrupt handling in the main app seems to work fine. But interrupts in the bootloader...
Hi,
In the nrf51_bitfields.h file, I can see definitions for two registers POWER_RAMON and POWER_RAMONB.
But I don't see this RAMONB in th nRF51 reference manual and...
hello, I bought one of these dongles on ebay www.ebay.com/.../201229095155
i was hoping to communicate to the nrf24l01 modules with my pc serially, but I can't get the...
Hello all,
in my previous question (Switch between applications (multiple services.h)) I got the advice to merge my two services into one service, including a HID over...
Hello there, I do not understand the definition Nordic has provided for the "SPI_slave_event_handler_register" function bellow. My understanding is when SPI slave driver occurs...
I need to write to a variable when a particular characteristic is written (from my "on_write" function), and be able to read this variable from main context.
From the SoftDevice...
Hi everyone :
I'm trying to used ble_app_beacon and I want to combine it into ble_ app_hrs
so i add some code as followed:
static void advertising_init(void){
uint32_t...
We're sending packets from a nRF51422 usb dongle to a nRF51422 dev board running some modified Nordic UART example code. We send 100kB of data over the connection to work...
Hello :)
For the code below, why are we defining the _wfi while in the code we only use _WFI() for addressing the function? Also once we use _asm volatile ("wfi); isnt the...
Hi:
my sdk is about 96k,and i use 51822QFAC,but it's flash is 256K,(256K-88K)/2=84K,so it is not enough for me,how should i do,if i add a external flash is ok or do you...
Plz help me with code or sequence of steps being followed by _WFE() or power_manage() functions. by which they manage the nrf51422 to run in low power mode.
So that i can...
