Hi,
I have been using nRF51822 with my Android app using Android's Bluetooth Low-Energy APIs.
In order to get more details, I am currently working on integrating the Android...
I'm looking at interfacing a typical Wheatstone bridge sensor to the nRF51822 ADC. This particular sensor only requires a mA or two for excitation and the output fits within...
When use the "nRFBeacons" app to update the info on my beacon the following happens:
Go to update tab.
Select "Connect"
Press "SW2" on beacon and see the LED begin flashing...
I am using s110 and nrf51822. I've set up up a long characteristic of 154 bytes.
Sending between 1 and 154 bytes works as expected.
Sending 155 - 160 bytes gets rejected...
Hi,
I tested the nrf beacon application, it allows only the beacons with company identifier 0x0059 (nordic's id). But i need to modify it to support all the device, how...
I use a app_timer_create() function to create a task(200ms once)
when in the task_timeout_handle() ,
I do something more than 200ms,
what will this timer going ?
Hi!
I use nrf51-pwm-library ( github.com/.../) to control brightness of LED RGB light source and it works ok till I don't want to adjust brightness slowly (dimming function...
Just received my Nordic nRF Smart Beacon Kit and was following the instructions in the User Guide to get setup. I inserted the battery into the beacon and there's an LED flashing...
My project is working but nRF connect does not seem to show it properly when advertising. It shows up for a moment then dissappears then shows up a while later on the RSSI...
I did try to SPI example in nRF5_SDK_11.0.0
But, I saw print in serial terminal only one-byte log which is NRF_LOG macro.
Basically, It SPI example included app_uart.c in...
Can't transmit a modulated carrier for FCC testing
part: nRF52832
We are writing our own firmware to support FCC testing. We have been successful at controlling the chip...
Our project use 51822 and another MCU stm32 to transmit heart rate data by uart. then 51822 SPP heart rate to smart phone APP. Now, We meet a issue that 51822 UART will crash...
Hi,
I just found what looks like a bug in ble_nus.c in SDK12 - not sure how to report it so I'm just doing it as a question/answer combo.
Basically:
Connect to...
Hi,
I'm developed a custom nRF52 board, and the main method to reset is via power cycling the power source (battery). Using GCC, should I still keep:
CFLAGS += -DCONFIG_GPIO_AS_PINRESET...
Now, I'm using the SDK12.1.0 and the device is NRF52832, I trying to use the secure DFU bootloader, when I open the Project Nordic provided(PCA10040 Debug) and build it, the...
Hello,
I have a PCA10028 that I want to use as a sniffer using the NRF Sniffer firmware. I tested it in macOS and it's working. The problem is that I also want to connect...
I put my code before ble_stack_init()
reset_reason = NRF_POWER->RESETREAS;
NRF_LOG_PRINTF("reset_reason: 0x%08x.\n",reset_reason );
//NRF_POWER->RESETREAS = 0xffffffff;...
Is it possible to receive connections without setting up a GATT service
For security reasons, I would prefer if generic apps and also the new Web BLE API could make connections...
Hi,
I loaded the code available at github for system on wakeup on gpio current and measured the current in low power mode by connecting a multimeter to a nrf51 dk.
The...
hi,
I am working with nrf51822 board using softdevice(s130).I am making ble initialization and continuously calling the power_manage() function in which sd_app_evt_wait(...
Before post this question. I post the MY QUESTION in stackoverflow forum.
but I couldn't find solution.
I know that Nordic board set Bluetooth Low Energy(BLE) multiple...
hi everyone.
we designed a custom board for nrf 51822QFAA chip and we flash the chip by using nrf51 DK debugger with tag-connect cable. when i flash the chip(using keil...
