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...
in my circuit, it takes 17ms for VCC_NRF to go up from 0 to 1.7V and reach 3.0V, but nRESET PIN does NOT to go up to VCC_NRF.
what is the potential cause of this problem...
Hi all,
I'm working with a chip that is not really i2c compliant and requires us to not send a STOP at the end of an i2c read/write (I know super crappy but that's all I...
Hi to all, i am developing an app with nrf52840 and i want to use cc310 backend to generate ecc public/private key pair. after adding some files and enabling cc310 backend...
Hello,
I am using a development board pro nrf52840 mini from Sparkfun.
I'm trying to use the TWI peripheral on nrf52840 to communicate with an external device (another...
Hello! I'm using nRF5_SDK_15.0.0_a53641a to programm my Nordic NRF52832 with Segger Embedded Studio. I'm trying to increase the BLE Tx power to 4dBm. At the moment I've tried...
1.How do I use TWI \ TWIM Read\Write in blocking mode ?
I am facing an issues with my nrf52840 based design, where I issue consecutive TWI write\read .
I am monitoring...
Hi,
Why can I no longer access firmware.nrfcloud.com as, e.g., still described in readme.rst for the http_application_update sample. I have seen that the "regular" nrfcloud...
Hello ...
New to Nordic SDK and trying to implement SAADC to read battery level. Have looked at a bunch of posts. I started with the ble_app_uart example app and tried to...
I'm new to this world of IoT. I want to use my thingy91 to monitor temperature at a vacation home, but don't need the data every few seconds. What is the best way to slow...
Working with nRF9160 in Zephyr, I've recently noticed that there are multiple conflicting definition of the errno.h values available, and I'm pretty sure I've seen both in...
Hey,
This is in relation to the errata #198 where tx buffer for spim has to be assigned its own section in RAM. I've updated the linker file to do so but I want to add a...
Hi, this problem I have met nearly, when I call mesh API to send request from client to server in light switch example (using SDK 15.2 and SDK for Mesh version 3.1.0 ) with...
I'm using: Segger Embedded Studio 3.52, nRF52840-PreviewDK, nRF5_SDK_for_Thread_and_Zigbee_v3
Is it possible to restart the Zigbee stack without restarting the whole chip...
