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...
Hey Nordic,
I am using the nrf51 to operate a sensor and send data wirelessly. I want to store the id of the sensor in the flash memory and I Understand that a good way to...
Hi, as I tried out the example code for PWM in SDK 9, it didn't worked for me. A closer look showed that in method app_pwm_init the method app_pwm_channel_duty_ticks_set will...
I have a peripheral (nRF51822, s110, SDK 8.1, using the device manager) which should only ever be bonded with zero or one centrals. The behaviour I'm aiming for is this: ...
Has anyone interfaced the nRF51822 to the CC3000 Wireless chip? I have started implementing the host controller functions in nRF51822. It would help me jump start if anyone...
I try to capture a BLE connection with the nRF Sniffer.
I can see the advertisement packages, but after i established a connection from an andriod device i didn't get any...
I want to drive motors at 40kHz and am wondering if I will be able to do this with the nRF51822. If not 40kHz, I might be able to go as low as 15kHz. What is the resolution...
Hi, I am using nrf51822 ble module. I want to have multiple such modules which could connect to a central device. How could I make it that the central device encourages only...
Hi, I am creating a custom service and corresponding characteristic. For that I am planning to use bluetooth base uuid (for confirmation : 0000 0000 -0000-1000-8000-00805F9B34FB...
Hi,
I`m working on our firmware for nRF51822 and I received the assert from soft device when turning off the global interrupts for our time-dependent procedure which have...
I am using PCA10001 board.
First of all i am unable to find nRF51 SDK.exe.
So i downloaded SDK form below link
link text
I changed device to nRF51822_xxAA.
Now i...
Nodic Semicond has made a nice step-by-step description for how to fix a corrupted infoPage.
It involves starting nRFgo Studio from a command prompt with "-defaultsettings...
Hi,
I want to make a connectable bluettoth transmission. I need 1 service with 3 characteristics, but for now I only want to see my service in app. It is possible to do it...
I have a nRF24LE1 processor.
We have an 'RF bootloader' which operates from the pc running a 'nRFUpdate 'Firmware over the air'' program using a dongle made by 'sparkfun...
i am running this code on my nrf.
const nrf_drv_timer_t TIMER_LED = NRF_DRV_TIMER_INSTANCE(0);
uint8_t flag;
/**
* @brief Handler for timer events.
*/
void...
