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,
What is the reason why my homemade PCB half passes through NRF_POWER->DCDCEN = 1; after broadcasting DCDC does not work? How do you need to solve it?
We will get a beacon from China. But how do we know if the chip is original? If I can read the unique device id, can I say it is original? Or is there another way?
I am working on the twi_sensor example,when i compiled the code it is showing as undefined symbol "data_handler(refered from main.o)", what are the changes i need to make...
Hi,
I was successfully changing mac address dinamically DURING ADVERTISING on nrf51822 chip at each ble_radio_notification event, in this way:
Before start advertising...
Hello
How do I activate Brown-out reset? I estimated there need to set some register/registers, but I cannot findout.
Possibly Brown-out reset function is always enabled...
Hello,
I work on project for BLE communication in DFU mode.
I am testing according to the mode defined on the Nordic web page link
I did the tests with the BleuZ and...
checking most of the reliable coin cell CR2032 such AS Panasonic declare on very very low current transfer far lower then 5 mA
if i set my Ble in 5mA IO OUT ....when my...
NAND or NOR flash memory to use with nrf25832? my application is to store the data from mpu-9255 to flash memory. my data rate is about 3 mega byte per hour and i have such...
Hi,
I am using Linux ubuntu 14.04 with kernel version 4.15.0-041500-generic for 6lowpan over BLE and MQTT broker wit IPv6 address as inet6 address in below image
In...
If I use DeveloperStudio_1_1_3139_0 to generate a profiles and services for the latest SDK 15.x, will it correctly work?
I recall back with SDK 11/13.xx it was not compatible...
I need to sample ADC channel at the fastest deterministic rate.
If i use burst mode with 3us acquisition time, do i get a sample exactly every 5us?
does t(conv) is always...
About example BLE_uart,
My device must always remain in advertising, I'm using a 1280 ms between two advertisng event.
I have to minimize the consumption during advertining...
I have a few questions about the NRF6707 Power Profiler kit and I would like to ask you: 1. The NRF6707 Power Profiler kit and nrf52 DK are linked through the ARDUIND D0 pins...
I am updating the application software that was created based on ble_app_multilink_central in SDK 9.0 to 12.3. When replacing device manager with peer manager, I received...
