Hello,
I'm using the nrf51422 with 210 softdevice.
I'm trying to figure out a way for the receiving slave device to go to sleep when away from the master, but to wake...
To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
There are a couple problems with the SDK 7.1.0 implementation of nrf_delay_us for GCC. The experiments I've run show the provided version generates delays 40-50% too long...
Hi,
I am developing an application to capture data on a PC over ANT+ using the ANTUSB-m as slave and the nRF51 DK as master.
In order to test my program I want to be able...
I had the same experience as fishman and I went back to give Eclipse a try. (Post: nRF Beacon does not build on Android studio) I tried to build it in Eclipse Luna with the...
I am trying to use the nrf51822 to send media button commands over HID. I have seen several questions on here and they usually involve the HID Mouse example (which doesn't...
Hello,
I have been trying to implement AES in order to encrypt a time stamtamp to be sent in the advert of the iBeacon ( 128 bits, using Minor and Major bits, (16+16)*4...
Hi,
I am trying to decrease circuit power consumption that's why I am using sd_ble_gap_tx_power_set(TX_POWER_LEVEL) function. When I set TX_POWER_LEVEL as 4 or -20, I dont...
We are looking to change tx_power setting to Neg30 dBm and for this we have accessed NRF_RADIO->TXPOWER = (RADIO_TXPOWER_TXPOWER_Neg30dBm << RADIO_TXPOWER_TXPOWER_Pos);
...
I have the NRF51 DK working with CrossWorks on OSX. I have the blinky example working.
Now I would like to figure out how to get very basic HELLO WORLD type demo to iOS...
I am implementing dual bank DFU on the PCA10001 board using the latest SDK (7.2.0) and S110(7.1.0). I am able to enter bootloader from my app as detailed here:
developer...
I'm just reading the documentation regarding the analog digital converter and wonder why there is one bit in the configuration register for every analog input. What will happen...
I'm using a relatively large GATT db that has rd_auth and wr_auth set to true for every characteristic. This prevents the stack from automatically replying with cached values...
I'm using the MAX9814 electret pre-amp's output as an input to an analog pin of the nRF51822. The MAX9814 has a 1.2V swing at 1.2V DC (so it goes from 0 to 2.4V). VDD for...
Hello,
I have some questions about the DC/DC conversion factor in nRF51822.
In the datasheet nRF51822_PS v3.1, Figure 11 shows the graph about conversion factor...
I would like to change the device name of the nRF51422 trough a mobile device(Android AND iOS ). The name should be stored even when I disconnect the supply.
From a nordic...
