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 would like to log the adc value on the RTT Viewer.
uint16_t adc_result; This is the variable, which I would like to log.
So after the measuring I call:
SEGGER_RTT_WriteString...
I did proper connection of lcd to nordic board. and did proper contrast setting.
But not able to display anything on lcd.
i am using JHD162A 16x2 lcd.
www.brodie...
Hi guys what's the latest revision of "nRF51822 Bluetooth Smart Beacon Kits"? that's the beacon with the battery, the revision is written on the envelope.
I thought it...
Hello everyone,
The more I learn, the more I learn how much more I have to learn.
I am pretty new to embedded systems development. I am tasked with developing an nRF52...
Hello,
I've had to redesign my bootloader and I am now stuck with a problem that I can not solve. I need to know the correct workflow for switching from bootloader to application...
I use the nrf51822QFAA, and s110 v8.0.0.
now I need update the application,i have the keil created hex file,
How can I create the ZIP file use the application hex file?...
I have built a PCB that includes the nRF51822. I have AIN7 reading an input voltage that I measure on my DMM at 269mV.
When I measure the voltage through the nRF51822's...
Hi, I have an application where I am recording button presses using a beacon-like implementation. The button presses represent start/finish events for a race and are communicated...
In my setup, i have a Node with SD130 as peripheral to Smartphone and as a central to a BLE peripheral.
I need to store some Unique ID about the Smart phone and a Peripheral...
I find out that
The s110 can only connect to a single
central, but is able to do
non-connectable advertising while in
that connection
by here
So is this...
Hello,
I have a problem with the sd_flash_write function. It HardFaults on me and I can't seem to find out why. The Addresses are 4 byte aligned...
The function is called...
Hello,
I have written a timer driver with timer 0 without SD and used 24 bit mode and it is working.
But when I used the same driver with softdevice and Timer 2 and...
I have a problem enabling TIMER1:
If the prescaler is set between 16MHz and 2 MHz the firmware fails to enable the SoftDevice, even if I didn't manage TIMER0, but TIMER1...
