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've got a strange problem with updating my Magnet-Characteristic.
I use a service with 4 characteristics (Gyro, Acc, Mag and Temp Values) and update them on a timer base...
Hello,
Two issues want to ask, after tried the BLE_NUS example code.
From other posts, still does not exist clear solution (example, pictures) ?
Sure has an application...
Hello,
I am working with the uart module. While configuring the uart I encounter 2 issues.
First when in the uart_init function the pin for uart output is configured...
Hi,
I am using nrf51822(128k), SD 6.0, SDK 5.2.
I found that nrf uart v2.0 app will add a "0x0A" at the end of data that I want to send.
How can I remove this?
Thank...
Hi all,
I have a few questions:
How is that ADC's common mode rejection capabilities? Rejection for 60 Hz interference, etc...
The datasheet has "typical...
I've never used Gnu's GCC before, but after 20 hours of trying and failing to install it on my macbook, I'm finding a shining hatred. I've downloaded their exhaustive list...
I migrated to nrf52 and countering some problems.
I am trying to sample 4 pins every 2ms with SAADC.
I started with Example here .
I simply changed
uint32_t ticks...
I've got a gyro I want to read some data from, but I don't know the values and can't verify if they got read correctly. When does nrf_drv_spi_transfer start to read?
i...
Hi, i;m trying to build the "nrf52-ble-app-lbs" example which i downloaded from git hub github.com/NordicSemiconducto....
I followed the instructions in the README file...
I'm thinking about changing ADC resolution during operation.
What I want to do is:
start
・Operate in 8bit ADC(normal time)
↓
・Operate in 10bit ADC(particular...
I want to use NRF51 DK to sample 2 analog signal continuously (300Hz) and send it to a smartphone using BLE.
I need advice on
Which nrf example to use to code my DK...
I've run out of space in my attribute table. No problem, I'll just make it bigger with ble_enable_params.gatts_enable_params.attr_tab_size .
The easiest way to do this...
Hello,
I am trying to implement a clean shutdown process, but running into some issues. The flow of the SPI use is as listed here:
Initialize SPI instance and...
