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...
hello,
are there any completed sample code of using pwm0, 1?
just 2 or 3 word can working like following? or need other config?
pwmcon=xx;
pwmdc0=xx;
pwmdc1=xx;
also...
I am planning to migrate to SD 7.0 and SDK 6.0 in order to use the static pass key capabilities. When using the static pass key how should security params be initialized ...
Hi Hakon.... when i compile my project i get some linker errors,
._build\gzll_host_ack_payload.axf: Error: L6218E: Undefined symbol __main (referred from arm_startup_nrf51...
I'm trying to perform communication between my device and iOS and I ran into some problems. For tests I'm using iPod touch 5 with nRF Toolbox and LightBlue apps and nRF51822...
I've been using Master Emulator API 2.1.3 in Visual Studio 2010 Express, and have spotted a fix I may need in 2.1.5 so I've switched to using the 2.1.7 API. However, I've...
Hello,In normal condition, I use UART,pwm,spi an so on.Now I want to clear the configuration, and enter System ON mode.But I don't want to system reset.
How should I do...
Hi, I was setting my new computer and installed nRF5x-Command-Line-Tools-Win32 V9.2.1.
Then open nRFgo studio it requests an update with strong recommended. After the update...
When my program was running,An error occurred.The program ran here
（app_error_handler_bare）and the error_info is
0x00000004, how can I find out the reason of error_info...
Hello,
I was trying to build Clapp oscillator with a JFET J310 (FYI: link text )as it is shown in the figure.
Capacitor C is variable and goes from 20 pF to 285 pF...
Hello
Please tell me about sd_ble_gatts_value_get ().
Please tell me about sd_ble_gatts_value_set ().
For these two cases, it is not used in the SDK, but is it old?
Please...
Hello together,
I' am working on a Bluetooth application and have a problem with the transmitting time of the Bluetooth.
In this Screenshot you can see the end of...
Hi,
I want to connect an ADXL362 low-power accelerometer to a nRF51DK via SPI for a BLE application. However, I'm still quite unfamiliar with Nordic Semi's BLE offering...
In SDK12.2 init timer user APP_TIMER_APPSH_INIT(APP_TIMER_PRESCALER, APP_TIMER_OP_QUEUE_SIZE, true);
but when I want to use more timer,how can i add the number?
Dear Nordic,
I am having some apparent delays in the time that passes from the pressing of a button, and the execution of the ISR that this button triggers. I am using...
Hi， Nordic
I checked DFU operation, found DFU work in bootload mode.
I want to know below operation is OK or not. Plz help me check:
download DFU bootloader
download...
Hi, I use the PCA10040 v1.1.
This is an example of a PCB stack-up.
My questions are,
In the case of PCA10040, which is 4 layered, what are the values of...
Hi,
I am writing a firmware for one of my custom boards which use GPIOTE to detect interrupt for 3 GPIOs inputs (P0.03, P0.06 and P0.09, both with internal pull-ups) and...
Hello,
I'm trying to write my ADC samples over spi on a sd card (Using SAADC like in the sdk 12 example with PPI and using fatfs like in the example in the sdk).
I open...
I have been using the pc-ble-driver Python bindings to implement a peripheral. I have extended BLEDriver to support sd_ble_gatts_* the functions. I now have a working peripheral...
Hi All,
I am struggling with this question from many days. Does the SPI transmit or receive operation in SPI master code uses DMA? While using SAADC DMA I have specified...
I'm using an app timer to blink an LED while in the bootloader.
Initially I was configuring an app timer when the bootloader started up and never stopped it, assuming the...
