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 am trying to use the Watchdog on the nRF52840 as a means to check state of the application via different variables. If I see the application in a bad state, I would like...
Hi all,
I have a trouble about understanding.
As far as I understand, when Device 1 send service change indication to Device 2, Device 2 will rediscovery service of Device...
it seems that SDK 15.2 is missing the uint64_t cast for the reload_value calculation again.... or am i missing something? we use a 5 minute value, which does not work unless...
I try to DFU operation.
SDK15.3.0 / GCC / nrf52840
My application image size is 123,484bytes (nrf52module.bin)
I run command ,
nrfutil.exe pkg generate --hw-version...
Hello All,
I am working on nRF51822 using IAR IDE and nRF51 SDK 12.3.0.
Right now I am checking power consumption of device in ideal mode but right now it is higher. ...
Hello. I tried to understand MMA8652FC Acceleration sensor with 52832.
I don't know what means 16Hz, 8Hz, etc. under table.
I know just concept of High pass filer. that...
Hi, I want to use wolfssl library on nrf51822 and I'm in stuck.At first, I compiled wolfssl as arm-none-eabi ,then added the static lib to the project in segger studio.
...
Hello everyone!
I'm trying to build a project of gathering the information from several temperature/pressure/humidity sensors and sending it to one display.
Sensors will...
Hi, I've tried to set BLE power to max but an app error is raised when I use the sd_ble_gap_tx_power_set function. Parameters should be wrong but as far as I've read over...
How do I align UART transmission/reception with GPIO pin signaling low/high? I wanted to do this because BLE chip is receiving the Product ID & device name from microcontroller...
Hi there,
I was used IAR to compile my source, and combine with bootloader and soft device, and it was always work fine.
Now I have changed my compiling tool to SES IDE...
Hi there,
I am developing an application using an nRF52832, nRF5_SDK_12.1.0_0d23e2a and Softdevice s132 v3.0.0. The BLE part of the application involves sniffing advertising...