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, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
I want to add an external PA to the NRF51422. My understanding of 15.247 is that you can transmit up to 30dBm if you use spread spectrum. Does the NRF51422 use DSSS for Bluetooth...
When is the most appropriate time to set the transmit power while using the S120 softdevice? I want to set it once at power up. Most examples that use the S110 SD set the...
Suppose I want my BT peripheral to provide Measured value of sensor X and Location of sensor.
Currently I have to send the following attributes
Service Attrinbute
Characteristic...
Hi All,
I am working a custom board for 51822. We have wired the UART RX/TX pins to a microusb connector (No RXD/TXD pins wired). The problem is once we connect it to PC...
Hello,
all was working fine, until today.
When I plug my dongle, my computer does not react.
The green light on the dongle is off.
Even if I suppose that it's a...
For my current project, I need to compile the »over the air bootloader« with gcc (because our buildserver runs on linux, developers using Mac … no Windows and no Keil so far...
Hello, I want to get Pwm output using softdevice but i am not getting it.Here is my code attached main.c please tell me where i am going wrong.Do ineed to initialize softdevice...
I am looking at using the nRF51822 in an application to create an Ethernet gateway and want to be able to download new firmware to the nRF51822 from a remote server. I plan...
I have an nRF51822 application using the Soft Device 110. I want to perform bonding with a central without MITM protection. In my on_ble_evt() event handler, when the event...
Hi,
I am new to the scene of BLE beacon development. I am using multiple Bluetooth smart beacon kits for indoor ranging/positioning purposes. To reduce the effect of interference...
Hi,
For S110 6.0.0 we use such script to split hex to binary. But it seems 7.0.0 is changed and current way is not working anymore.
Convert from hex to binary. Split...
Hi
I am writing my own bonding manager.
In the S110 stack after Phase 3 of pairing the keys are exchanged which result in the EVT_AUTH_STATUS event which in turn contains...
when I add my own service and add characteristic, a odd phenomenon confuse me.
When I set cccd_md.write_perm:
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.write_perm);
...
