we also produced self PWM for ADC wave form testing. when we stop transmission, we will get good waveform out, but when we starting transmission, output waveform shape is...
Dear Support,
I have some troubles with the Evaluation Kit for nRF51822 :
I use the broad as a central role with S120_nrf51822_1.0.0_softdevice.hex and example...
Suppose a nRF9E5 transmitter is set for continuous transmission on a channel.
A nRF9E5 receiver listening on that channel:
finds carrier and sets CD
finds address...
I will be deploying my nRF51822-powered devices into the field and the end user will not be able to have any physical access to, for example, power cycle the board. I need...
Hi,
We are using the ble_app_uart example in evaluation board to read data from some sensors and send it to the nRF UART V2.0 in Android 4.4. Every 20 ms I am trying to...
I am try this at nrf51_sdk_v6_0_0_43681\nrf51822\Board\nrf6310\s110\ble_app_hids_keyboard
Firt I connect to Android device and keep one whitelist.pp_addrs and one whitelist...
for ble, scan of central device can get the RSSI value of the advertising device, but the inquire can not.
Is it right?
what's the different between them?
Hi,
I have made custom nrf 51822 board, I don't have LFCLK crystal i.e, 32.768khz. When i run ble_hrs example code in it , current consumption of my board goes to ~150uA...
Hi
In my application I need to transfer several paires of bytes to a slave device, and it's mandatory
for CS signal to go high between pairs. (This actually means I have...
Hi
I want to know why flash memory access should be scheduled in between the protocol radio event?
is there any relation between the flash access and radio opeartion physically...
Hello,
I am developing a wearable device that utilises nRF51822. Right now, I am having a problem because when the wearable device is connected to a new phone, it needs...
Dears,
I am designing a notification application. I would like to know what if I want to support both of iOS and Android phone, which example code of ble_app_alert_notification...
im following ( devzone.nordicsemi.com/.../) step to "Setting up a project for debugging in Eclipse"
i run the debug config and click suspend
then get some problems
...
Hi guys, I just want to share my iBeacon code (over s110) developed on nrf51 dev board under ubuntu. It works fine but please feel free to improve it and share it!
I developed...
In some case sd_nvic_SystemReset() can not reset?
nrf51822 S110.
for example:
void main(void)
{
sd_nvic_SystemReset();
do something;
}
It can do somthing!!
So sd_nvic_SystemReset...
Hi,
I have just bought NRF51822 without any extra peripherals(no motherboard/DK). Just plain Module like below image.
I am supplying 3.3V to VDD and also Connected GND...
Hi all,
I find a problem when testing the ANCS program. It seems that after you connect the device with ANCS with an iphone, you cannot connect the device with another iphone...
I built the ble_app_proximity project and down load into my board, it can advertise and can connected by the lightblue and the nRF toolbox, But i sent the hex value of 0x02...
I can get right value when I chose QDEC_SAMPLEPER_SAMPLEPER_512us in slow application ,but in my application my max data rate is more than 2k, so the QDEC value is less than...
Hi,
I am currently working on a project with nRF52 preview DK.
In my system, an ECG chip is used to measure the heart rate and the data will be transferred back to nRF52...
Hi,
I have a number of products with nRF905 successfully deployed. Now, I am in a little struggle with a new one. The problem is the signal strength. The other products...
