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,
In our code we would like to respond to a write with a notification and then disconnect. So we first we call sd_ble_gatts_rw_authorize_reply to reply to the write,...
I'm trying to put the nRF52 into sleep by using the following code in a loop:
__WFE();
__SEV();
__WFE();
But I see current consumption at around 5mA still, and...
The Bluetooth Mesh Light Switch example shows how to work with keys for a Mesh Network.
But I have some questions about who generate the keys and what they are used for....
Greatings!
I am sending a packet with data in it from my custom board with nrf51822 to my android phone using cahnged ble_app_uart. The packet is being sent 8 times before...
I have the Thread Coap examples running on two nRF52840 dev kits (coap server + coap client). When I try to check the coap traffic with a sniffer + Wireshark, Wireshark can...
Hi! I am trying to control volume up/down, and for the future possibly a few other functions within the ID 3 tag of the HID descriptor.
I am using the ble hids mouse example...
I am working on nRF52840 Preview DK. I want to generate a square wave with accuracy of ON and OFF time = 1 microsecond using timer for driving stepper motor DRB8825.
I...
I'm experiencing the same issues as a previous poster that went unresolved: devzone.nordicsemi.com/.../
With 1 or 2 peripherals (sensors), the connection works fine. With...
I have Nordic nRF52832 mini beacon device. How can i change UUID, Major,Minor values from Android and iOS app. Is it possible to change the those values from app ? If yes...
Hello, I want to measure the impedence of PCB antenna designed for nRF52832 based board.
I have the following quires.
Is it required to isolate antenna from NRF52832...
Hi,
I'm developing a server model and a client model(Both example are modified in accordance with the example of light_switch). In the example of client, I use the API...
hello friends,
i need to control 4 LED brightness using PWM according to accelerometer values. how can i do that
i am using SDK11, nrf52832, KEIL MDK5
i going to...
Hello,
Am using Freertos with SDK 13.1 and SD 4.0.5 on custom board.
My question is about buttons,We have one button need to configured for BLE Button.
I have board_custom...