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...
Hello
I'm going to use encryption to send data via Bluetooth. I am using the crypto AES example using nrf52DK and I found out that nrf52840 supports H/W encryption called...
NCS 1.4.2
modem fw 1.2.3
We have a custom board with 3 uarts:
Uart 0 -> debug output (testing only)
Uart 1 -> BLE
Uart 2 -> External GPS
I have been trying...
Hi everyone,
I am currently working on a project where I need to sample the SAADC continuously on 5 channels: channels 4,5,6,7 and VDD, which on my board is channel 9...
Hello,
i have created custom BLE service/characteristic using this ling https://github.com/NordicPlayground/nRF5x-custom-ble-service-tutorial
So, here i am able to transmitting...
Hi,
In working with nRF24L01, I am facing a problem with nRF24L01 CRC calculation. In the spec, it is stated that CRC calculation includes address, control field and data...
Hi,
I'm using nRF52810 and I'm trying to achieve a power consumption. I don't use any softdevice or nRFSDK at the moment. I wrote my own drivers with direct access to the...
Hello,
In my project I need to store variable data to persistent memory area of flash memory to retrieve data after power failure. I want to know is there any limit to use...
Excuse me:
I'm porting other FreeRTOS projects to ble_app_hrs_freertos example In the directory nRF5_SDK_17.0.2_d674dde\examples\ble_peripheral\ble_app_hrs_freertos,I need...
Hello, I use nrf52810 custom board and icm42605 6 axis sensor with twi.
device address is 0x69, I tried read data reg 0x75 for read chipset id.
I think that sensor sent...
Hello community.
I am here to ask you about BLE services in a Mesh Network. I know how to implement both SDKs. However, I would like to know if there is a way to extend...
Hello,
I've been playing around with the nRF52840 DK board and I want to make what I've been working on, into a PCB. Following the link below I've got the Altium files...
Hi !
I'm doing some testing on mqtt with the nrf9160 DevKit.
So far, everything is working with TCP and TLS and I would like to use WSS. I started with WS but I can't...
Hello everyone I'm doing my first steps so as to get things right from the start with a device based on the nRF52833 chip. My setup: PC <USB> nRF52840-DK <JTAG> CustomBoard...
Hello,
I am having a problem using DFU using the android NRF connect app. I have two separate projects that use the OTA DFU. These two projects have the same DFU code...
Now I want to construct a mesh network in an intermittent environment. You know the device will power off and power on frequently, I need to store the communication statin...