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...
I would like UART client in example
C:\NordicSdks\SDK_14.1.0\examples\ble_central\ble_app_uart_c\pca10040\s132\arm5_no_packs
to connect auotomatically to nearby devices...
Dear nordic employee：
The service I want to find is the sound service of the thing52 thingy sound service
I tried to modify the HRT_central_client project to find the...
Hi ,
can anyone tell me what can cause these disturbances around the unmodulated carrier?
IMG-20171110-WA0017.jpg
We checked all components arround the IC it's all...
Hello,
Looking into the characateristic of Heart Rate BLE profile, I've come accross to the function hrm_encode(ble_hrs_t * p_hrs, uint16_t heart_rate, uint8_t * p_encoded_buffer...
Hi.
I have a central device call C_Board. It is scanning to find device has name is "123456" . This meaning is any device has name "123456" can connect to C_Board. Have any...
First of all, how do I know which version of the SD I'm working with when I'm flashing an example app from an SDK? I know I'm flashing SD 132, but I need to know the exact...
Hi,
I'm using SDK13.0 with nRF52840. Now I'm doing the DFU by the UART through MCU. But we meet a big problem, MCU is hard to read the infomation in the .dat and .json...
Hello, I'm building an Android application for DFU. I have a zip file and am downloading it and getting the content URI after download and using it in starter.setZip(contentUri...
I have been working on a custom board that uses a taiyo yoden EYSHJNZXZ module.
A tact switch is connected between P0.21 and GND.
I want to use this switch simple input...
Hello.
Apple recommends some very specific and precise advertising intervals for achieve a quick discovery, as stated on the Bluetooth Accessory Design Guidelines for Apple...
Hello,
I am using ble_app_uart_c and ble_app_uart example for data transmission between central and peripheral. I am able to transmit data successfully. I would like to know...
I write an application on nRF52 where the Watchdog Timeout event should automatically clear a GPIO and start a PWM signal on another GPIO using PPI.
The issue is that Watchdog...
Hi there,
I came across the function call "(void)dummy;" which I am trying to locate. Where can I find this?
__STATIC_INLINE void nrf_rtc_event_clear(NRF_RTC_Type *...
Hello,
I'm having issues linking the nordic memory module to my IAR project. Under the project options for the C compiler and assembler, I have included the appropriate...
