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,
I am in the process of upgrading our project to work on the version v0.4.0 of the SDK. I managed to make it build but I had to remove the code that depends on the configuration...
We use the app scheduler in our app and I recently needed to increase the EVENT_SIZE passed into APP_SCHED_INIT. I changed it to a value that is not an event 4-byte multiple...
Hello,
I am using SDK 15.2.0, nrf52840, s140.
We are using SPI for an analog Front End initialization. SPI initialization works successfully done. But when we read or...
I have one node.
This node have two model.
I want to one model having relay function, another not relay function.
This function can implement?
SDK : Mesh SDK 2.1...
Dear experts,
Currently I'm using the peripheral device(s130 softdevice) and central device(s120 softdevice) both base on nrf51822 to evaluate BLE connect time. The connection...
I am beginner in nrf programming. I want to use NRF-ESB protocol to communicate between my Rx & Tx device with maximum battery saving techniques. For this i am using nRF5_SDK_12...
I enabled BLE buttonless unbonded secure dfu on custom nRF52382 based chip with s132 (SD version 6.0.0).
When buttonless service dfu control point characteristic is written...
I have established a connection with max30205, but I get only the first byte of temperature, how to read the second one? to get the tenths of a degree.
Now it works like...
Hi, I need to use a ble_hrs_t variable between two different files, I used the BLE_HRS_DEF() macro to instantiate the variable in a header file that I've included in both...
I am using the example from ble_app_att_mtu_throughput_pca10056_s140, changing the values for:
#define SEC_PARAM_BOND 1 /**< Perform bonding. */ #define SEC_PARAM_MITM...
Hi, I am following the Thread Border Router example provided in the info center. I have one Raspberry Pi 3 v1.2 connected to the internet via WiFi, one nrf52840-DK programmed...
Hello,
I am new to BLE and I'm following the solutions to the BLE characteristics tutorial for SDK 13.0.
I have successfully implemented my own external temperature...
Relationship between "LE Secure Connections (LESC)" and Bluetooth version
I am experimenting with the following contents.
・ "Central": iPhone 5s (Bluetooth v4.0) ・ "Peripheral...
