Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
to me it made sense that EN_AA settings are controlling the receiving pipes if an ACK has to be sent back upon receiving a valid packet.
then i thought that the settings...
I am using BLE_Gateway example defined in nRF51-ble-bcast-mesh to create an rbc_mesh over 2 nRF51422 devices . For now, I am just testing it out on 2 nRF51422; I will set...
Hello,
I see when you import an example from the pack installer ( for example pwm, ble, timer examples ) it arrives with the misc controls --c99 on by default , so I cannot...
Hi,
We're looking for a low-latency 2.4GHz solution (not BLE) and the nRF51822 is oft-quoted as providing low latency, but what are the typical ms figures we could achieve...
Hello all,
in my previous question (Switch between applications (multiple services.h)) I got the advice to merge my two services into one service, including a HID over...
Hi, I use nrf connect to programing demo board nrf51 dongle to get it work, failed.
error log as follows:
2017-03-02T09:30:20.014Z INFO Application data folder: C:\Users...
Hi,
Does the PPI module automatically clear the event flags for the linked event? For example, if I have the following:
NRF_PPI->CH[0].EEP = (uint32_t)&(NRF_GPIOTE->EVENTS_IN...
hi
I'm porting Arduino code which has calls to ShiftIn() to read a byte from a GPIO Pin and bitWrite() to write a bit into a byte variable at a particular position.
Below...
dear friends,
now i need to let a master 52832 device communicate with multiple slave 52832s.how can i make it? Our scenario is that a teacher takes a phone in a classroom...
I used SDK12.2.0 and S130 develop with 51422;
I want to test for fds write and read, I followed the fds_sample from github; it can write success, but no FDS_EVT_WRITE return...
I have to exchange information with smart cellphone. My 10040 board create a pair of key by micro-ecc and transfer the public key to the cellphone. However, the cellphone...
i am using timer 1 of nrf24le1.for which i have calculated a value which is to be loaded in th1 and tl1 for 1ms .calculations are as,
clock =16mhz;fosc=16mhz/12=1.333mhz;t...
Hey everybody, I'm having 'intermittent' issues with device addresses on the nRF24L01+. I've read the documentation on what you're not supposed to do as far as device addressing...
dear friends,
There is a pic that i catched using sniffer. SlaveLatency,a gap parameter,is set to 2.As you can see, when the slave do not give an ack,the mater will resend...
Hi
I am measuring the current.
I use SDK 12.2.0 , NRF52 and S132.
I noticed that current was flowing even while device waits events.
Device waits by sd_app_evt_wait...
Is there a way to receive/send messages from/to the nRF51822 (I am using the BLE nano from redbearlab) with a java desktop application? Is there any java library out there...
Is there a way to determine the end of an NFC write besides waiting for the NFC_T4T_EVENT_FIELD_OFF event? We want to update the NDEF message from within firmware after data...
Hello,
I would like to collect sensor data over TWI and transmit to a smartphone using BLE. I am wondering what the best way to do this would be. I am using SDK 12.2. ...
Hallo all,
I have just noticed that nRF5 SDK 11.0.0 do not have support for S110 softdevice anymore.
I understand that from previous project that S130 is able to do similarly...
Hello,
I have made a custom board using nrf51822 QFAC that has an IMU on TWI interface. For programming I am using ST-LinkV2 and OpenOCD. The board is working just fine...