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...
Is there anyway to limit the number of channels a device is advertising on?
I'm using an nrf51822 with the S110 stack and want to limit my device to a single advertising...
Hi,
We want a throughput between a BLE link 12KBytes/s.
In our application there is a peripheral (in Nordic starter kit), running S110 and we have configured connection...
I have two questions.
Is it possible to use the DAP[n]/DAB[n] registers without using Bluetooth 4.0?
If it is possible, then how? I searched all the sample...
I am starting with Nordic nRF51822 and I would like to know if do you have some samples for use with emIDE (I liked it because you don't have size limitation). And I had some...
I saw two different way to ini ble
1 ) BLE_STACK_HANDLER_INIT
SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, false);
err_code = softdevice_ble_evt_handler_set...
I'm right now getting uC to sleep WHEN THERE ARE NO ACI EVENTS I think I'm doing right, the uC sleeps but I'm not able to wake up despite the fact that RDYN is connceted to...
Hello,
In an ongoing company project we use a couple of nRF51 transceivers forming a beacon enabled wireless sensor network consisting of one base station and multiple...
Using sdk5.2, and ble_bondmngr_bonded_centrals_store() called on_disconnect, and then call
err_code = sd_ble_gatts_sys_attr_get(m_conn_handle,
m_central.sys_attr.sys_attr...
Hi!
I wonder what is the GPIOs nominal voltage level when I'm using the internal DC/DC converter?
I know that the internal DC/DC converter output voltage is 1,9V but I...
Hello,
we made PCB based on reference with ST balun. In circuit the low freq crystal is optional, so we didnt use it. In software i noticed app_timer use RTC timer. So the...
I am trying to bootload an extremely large hex file using a slightly modified DFU (modified from SDK v5.2.0's example)
The problem is that the hex is so large that eventually...
Im having errors like Arduino is in the while(1) loop if I enable the DC/DC converter in the characteristics and generate service.h file , If I do not use this setting everything...
I have a NRF24L01 board, which acts as a receiver. It listens on RF channel 2 using address pipe 0 address as follows 0xC47B4D0331. I am able to transmit to this NRF24L01...
