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...
Greetings,
I'm in the process of choosing a nRF52 module. I know of this link for the various modules www.nordicsemi.com/.../3rd-Party-Bluetooth-low-energy-Modules.
I...
Hello, I've been trying to get directed advertising and auto-connection working on an NRF51822 peripheral.
I'm using SDK V11.0 with SD130 v2.0.1
This is the scenario...
Hi,
I used the code ble_app_uart_c on board 10028 as a base for my custom board.
My board is nrf51822 QFAA based so I changed all occurances of nrf51422 to nrf51822...
Hello,
We are trying to communicate to this board ( www.adafruit.com/.../1697 ) that has nRF8001 at its core.
Unfortunately, our TX is only able to output BLE 4.2
...
I'm running on nRF51822, SDK 8 (not totally sure, I inherited the project), SD130 and mbed.
I've tried and failed with my own code to use pstorage.
I'm now trying a...
Hi. I'm using nRF51822AC, SDK12.2.0, S130.
The size of "s130_nrf51_2.0.1_softdevice.hex" in SDK is almost 300KB.
But chip's flash mem size is just 256KB. It's bigger than...
How is it used? And why to use it?
static nrf_saadc_value_t m_buffer_pool[2][SAMPLES_IN_BUFFER];
instead of
static nrf_saadc_value_t m_buffer[SAMPLES_IN_BUFFER];
Hi team,
we are doing project called indoor navigation using beacons.To get the good RSSI signal strength,in which position should i need to place the beacon. Can any one...
Hello,
I tried to flash an application to the nRF52832. First I flashed the softdevice, after that I flashed the bootloader and next the application.
The application...
We were doing various tests using PCA10040.
Then suddenly I can not connect to the PCA10040 board.
In the boot loader mode of PCA10040 board, connection is made.
What is...
Hi, I use the nRF52832 board (PCA10040 v1.1).
Before creating a custom PCB that uses nRF52832-QFAA, I chose
Q22FA12800025 FA-128 32 MHZ 8.0PF (load cap = 8pF)
and ...
This should not be a sudden my PCA10040.
Jlink are probably going to have failed.
It does not appear in the USB Jlink to appear as Atmel.
Is there a way to recover...
I am doing a project about nrf51822 smart beacon kit and a person has give me this link: infocenter.nordicsemi.com/index.jsp
to download the firmware and hardware files...
