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...
Hello,
Currently, I'm trying to flash my custom board that has nRF52832 with an uart application that I integrated buttonless DFU. I'm running into a problem where when...
1.nrf9160 is there an RF calibration parameter at the factory?
2. If there are calibration parameters, does burning mfw_nrf9160_1.2.0.zip firmware affect the calibration...
I have two devices here, So I combined three HEX files and burned them with JLink, and they don't behave the same. One starts the application normally, and one is always in...
I am using a custom board with nRF8001, where I use external interrupt from the RDYN pin to let MCU know BLE has an event. MCU can recognize these events and change the associated...
Hi,
I added the feature of the 'buttonless dfu' to the 'hrs freertos' using the SDK v15.3.0.
After programmed the built image to the EV board PCA10040, it could run normally...
Hi
I have 2 customised board with nrf52832, I wanted to communicate between 2 devices. Like to send commands like turn on/off LED from my one board to on/off LED on my second...
hi
i want to use iic in my project ,and i add iic func to my project refrence project twi_sensor.
the code of iic like this：
I call the api in the main
then...
Hello
I would like to use the extended advertisement feature of BLE 5 but I have several questions: 1. If I want to broadcast data in "extended advertisement" messages ...
Hi,
My devices are currently using NRF52832 with SDK17.0.0.
I want to communicate with my devices even when the app is killed by the Android system.
At this moment,...
Please tell me. The NRF24 transmitter is in the one pipe in channel one, sends data to the receiver without confirmation of delivery at a speed of 250 kbps. 1 How long will...
Hello.
I need some documents that i can understand what is going on on the backward when/while two devices are communicating with each other or when/while a device advertising...
We're just finishing our layout for a custom nRF52832 board. According to the "General PCB design guidlines for nRF52 series" we copied the complete nRF layout from your reference...
We recently purchased a few Thingy 52s, and we're very impressed with the simplicity!
After playing with the Thingy 52,and upgrading the FW to 2.2.0, I noticed that the...
I linked to an external lib library and called several of its functions，Then compile and report errors；It seems like the compiler could not find the definitions of “__aeabi_memclr4...
hi Support team,
Our customer is using usb cdc asm as one additional UART port to communicate with PC, one question about this : is there any reference code for our customer...
