My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
Looks like there is an error in the nrf_drv_gpiote_common.h :
#define INTERRUPT_PRIORITY_VALIDATION(pri) STATIC_ASSERT(((pri > 2) && (pri < 4)) || ((pri > 5) && (pri <...
Hi guys,
So as I'm migrating from SDK10 to SDK12 I've noted that the app_pwm module is consuming more power then expected while disabled ~300uA. After initialization, I...
Platform: nRF52-DK using SDK12.1.0 and S132
Summary: Using nrf_log module from SDK along with RTT by setting NRF_LOG_BACKEND_SERIAL_USES_RTT flag causes nrf_log_serial...
For example, in SDK11, the file:
components/softdevice/s130/toolchain/armgcc/armgcc_s130_nrf51822_xxaa.ld
Contains:
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x4000...
Not a question, but a big thank you to Nordic Tech Support (Kristin) who reviewed our nRF24 design several times until we got it right :)
Implementing the recommendations...
Hi,
I am creating the first prototype for my BLE product and for now I used the suggested layout from the datasheet, but I am kind suspicious of that layout it seems very...
I follow the example, as below
nRF5_SDK_12.1.0_0d23e2a\examples\peripheral\flashwrite
but I only get some error, can not get anything, and the ble is unconnected.
Hi there. I'm making a sensor system which is intended to measure an ADC value, and send it using the Heart Rate Sensor template. To make this, I've rebuilt the ble_app_hrs...
Hi
Does the newly released nRF52840 chip have pins on the side, corresponding to the "outer ring" (A8-23, AD2-23, B1-W1, ...) pins on the underside of the chip, like this...
hello i am interfacing i2c sensor mma8452 with nrf51 dk. my function is
void mma_read(uint8_t *x, uint8_t *y, uint8_t *z)
{
uint32_t err_code;
uint8_t rx_buffer...
I have to sample 3 differential channels periodically. Should I calibrate SAADC for each channel individually? Unfortunately, "nRF52832 - Product Specification v1.0" doesn...
Update 2016-Mar-29: I used SDK v10 along with SoftDevice S110 v8 when I run the experiments described in this question.
Update 2016-Mar-30: Upload source code of the modified...
In order to perform dfu to softdevice S132 v3 sdk12 (secure bootloader) from sdk11 softdevice S132 v2 (legacy bootloader).I've change the legacy bootloader as it it says here...