In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi,
Recently I want to set up a dynamic network that with the node change this position ,the network will change dynamically.But there is the question,with the node's position...
Hi,
I am working on a keyboard project,I change the HID report as follows
0x05, 0x0C, // Usage Page (Consumer Devices)
0x09, 0x01, // Usage (Consumer Control)
0xA1...
Hi,
How does the advertisement filter policy work?
I tried both BLE_GAP_ADV_FP_FILTER_SCANREQ and BLE_GAP_ADV_FP_FILTER_BOTH, but this doesn't restrict other devices...
Dir Sir. I am checking the current profile of nRF24AP2 in RX mode.
After "open channel" command, I found the peak current at 10ms interval until connection pass.
How does...
I just purchased an mbed developer kit and I am looking for the source code for the device. I want to write an iOS app to interface to this device via BLE. I'd like to have...
Hello,
I am using Nordic's UART service to communicate with my project. I use iOS and also Master Control Panel (with a dongle) on a laptop.
I have two questions:
...
Using ble_app_hrs running on a PCA10004 (nRF6310 motherboard + PCA10004 which uses a PCB antenna), the achieved range at +4dbm (<10m) seems to be short. Master Control Panel...
I think the new MCP might have a bug somewhere. I have not been able to find out the exact sequence on how to provoke it, but I have to restart the application more often...
if I set BLE_GAP_CONN_SEC_MODE_SET_OPEN, I can get data,
but if I set BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM,
Three different even sequences happened, only one sequences...
Hi,
I disconnect the BLE by calling *sd_ble_gap_disconnect*(), and found that it run to *app_error_handler*() after the BLE_GAP_EVT_DISCONNECTED event occured, and I don...
I program the nRF2727 module with the "Block readback of mainmemory" seleted using nRFgo studio tool.
After that, I can still read out the content of flash. What's the root...
As per this thread: devzone.nordicsemi.com/.../question-regarding-hfclk-control the SD stack takes care of HFCLK, however as fas as I understand HFCLK is also responsible...
Hi,
I use the DTM for the production test, I use the transmitter test ,with canal 19 (frequency = 2438MHz).
What is the tolerance of the frequency do you recommend (Min...
