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...
Hi
Is the generic attribute primary service 0x1801 added by the soft device?
Bluetooth standards say that the service changed characteristic is optional. I am using...
Hi sir
According to nRF51822 RM v2.1 session 12, there are two high frequency clock: the 16/32 MHz crystal oscillator and the 16 MHz RC oscillator. For nRF51822 BTLE application...
I know the question has been asked, but a few months has passed,
but hopefully to get some new update now.
devzone.nordicsemi.com/.../nrf51822-dk-module-as-master
devzone...
Hello,
i try to implement a simple timer interrupt on TIMER1 using one of the CC registers of the NRF51822. Here is my code:
void init_timers(void) {
// Start 32...
Hi,
I have 2 questions regarding this topic:
Which specific J-Link lite mode do we get from nrf51822 Development Kit? Is it the 9 pins model or 19 pins model?
...
Hello,
I want to implement a proximity central. At the moment, I do not get a bonded connection from central to proximity peripheral (For peripheral i use the proximity...
Hello all,
I have realized my own board with a msp430 microcontroller and a nRF24L01+.
I have configured my nRF24L01+ as described in annex C of the datasheet; the objective...
Is it possible to use the J-link to debug a stand-alone PCA10004 ? I am not using the motherboard. Powering the board separately. When I try and run debug in Keil I get error...
I would like to ask a question about the time of :"Time between DISABLE task and DISABLED event when
the radio was in TX" of the "Jitter". In the picture show the "Jitter...
Dear nordic guy, I'm developing
with nrf51822. I have one question regarding main clock control.
I want to turn on and off 16Mhz clock in application side.
application...
Hello,
I have some code running that transfers binary data from an iPhone to a nRF51822 device (used for firmware upgrade).
I have used a variable length characteristic...
When starting with nRFgo Studio "Erase all", "Program SoftDevice" & "Program Bootloader" to have a almost virgin base without an application, I succeed perform an over the...
Hello,
currently I am thinking about the proximity concept. The following scenario is given:
We have a Display that shoud lock/unlock a Device
We have a iPhone...