Hi,
I use the nrf51422 chip.I want to know if the ANT establish link between chips,where can I get the matching configuration (like device type、channel ID).I mean is...
Is there a way to recieve more than one write callback for a given characteristic, per radio session? It seems like I can rx 1 time per attribute per radio session and tx...
If it can work with iOS blue setting will be better
I need some reference to dev hid device in IOS
but I can just find my device ,connect ok but not work.
I need to create timeout below 1ms. I would pretty much like to use timer for that because I do not want to hold the cpu inside cycle. For me it is not important the exactness...
Hi,
While testing the device firmware update through the nRFtoolbox android application, i get "device has no required service" error more frequently.
I use latest version...
I'm having some trouble successfully entering ON,IDLE mode. I have pared-down my application to do the following:
Initializes the app_timer using the scheduler:
...
I try to modify "ble_app_ibeacon" sample code. But when I add some adv_uuids for services to advdata.uuids_complete or I changed advdata.name_type from BLE_ADVDATA_NO_NAME...
Hi,
I need to write a validation document for nRF51822 . The first step need is the specification for its calibration. But I couldn't find it in your website. Can you send...
Hello,
My project name is Remote Operated Vehicle. Basically i am using a PS2 controller as the joystick to control the car. So, my aim is to build wireless interface between...
In this function in nrf_gpio.h, why is there a GPIO_PIN_CNF_INPUT_Connect value there?
Shouldn't that be GPIO_PIN_CNF_INPUT_Disconnect, or does it not really matter?
...
I need to pass a bit, to 500 recipients in a closed room.
My doubt is, 500 receptors works simultaneously without interference?
Ref. to buy:
www.ebay.com/.../251458486443...
I've seen various threads here with sample code attached that show how to set up a timer to measure a battery voltage periodically. They also seem to use an external crystal...
Dear Nordic Guy,I'm developing with nrf51822.
my costom code based on the hrs profile.and I modify the advertising timeout value to 30sec
and finally, I see the a few uA...
Hi,
I bought the nrf51822 chip itself, and created my own board. Now, can I still download the nRF51 SDK as per nAN-29?
I am stucked with the download page asking for...
Guys
I came over from the Arduino forums, I am searching for a new RF chip to use for a project i am working on but dont know which chip to pick. My application requires...
I want use uart to debug my ble program ,
In the devzone I found this and this to meet my need , but when I conditional compilation UART code into hex, I can not find my...
Hi All,
I am trying to use the HRM_RX sample code with my Linux PC side application. but i am not able to receive any UART RXD interrupt on nRf51422. I checked PC is sending...
We are developing a BTLE perihperal product using nRF51822 chip. But we would like our product can be up-gradable. So we will need a Bootloader (by UART or other interface...
while creating a Makefile for DFU, for BLE DualBank only, I'm getting some odd errors:
../bootloader_util_arm.c:19:1: error: 'at' attribute directive ignored [-Werror=attributes...
