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...
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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...
When I am stepping through my application code crashing at
memset(&cccd_md, 0, sizeof(cccd_md));
"Setup information:
IDE: Using IAR
Device: nRF52832
Soft...
I'm using the NRF51822 for a project that will be powered by a lithium battery. I'm wondering if it would be safe to use a diode ( such at this one ) to drop the 4.2V LiPo...
This question has to do with the observed "recursivity" of the calls to "app_sched_execute" in SDK13 as described in the previously asked question below:
devzone.nordicsemi...
Hello,
For BLE, there is always an ACK in link level no matter it's write/read/notify/indicate.
How about 2.4G proprietary mode? Is it possible to just send a data without...
Hello,
I am using the nrf52832 with SDK v12.3 and PCA10040. Not using any soft devices, nor the RTC. The program is intended such that timer0 is set to toggle a pin (P0_11...
Hi,
We are working on Automotive project using nrf51824. below are some queries ,
We are basically want to use the chip as a Bluetooth to Kline(using Uart) bridge ....
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we would like to start a new product (update a design) and add Apple Homekit feature because ""Apple will now allow any registered developer to start building a HomeKit...
As i am new in embedded programming,I was trying to connect MPU 9250 with nRF52 DK by using given examples. now it is showing error
#error "No MPU defined. Please define...
i'm new in BLE, now i have project with nrf51822 and sdk 11.0.
in chip arm like STM, MPS or PIC, avr. when byte come, we have a flag set 1 to notice that there is one byte...
Hello,
Is there any way to check if the bluetooth is connected after NVIC Reset?In our project when we get a specific command from the UART, NVIC reset is done.After the...
I've run an mesh example of light control with three 52832DK board.There are some question.
[1]Now i want to add uart function to the example,then i can send msg without...
Hi,
I'm working on modification of DFU Bootloader to use external flash instead of standard Dual-bank or Single-bank version. Now it works quite well, but I have problems...
