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 everyone,
In my company we are working with the last SDK release, and we build projects with make and gcc toolchain.
I have a quite wide request : since I'm using makefiles...
Hi all,
I have a custom nRF52840 board that transmits 32-byte packets to mobile device and I want to achieve maximum transfer speed.
The code is based on the ble_app_uart...
Dear all
The issue is:
heartRate and battery levels set by "bt_gatt_notify" in peripheral hr sample on nRFConnect v1.5.0 are not shown in iphone app of "nRF toolbox" ...
Hi All,
I am using the nRF52840, with SDK140 v15.0. I have configured the nRF52840 to be a SPI slave to a NXP processor. When I connect the logic analyzer I see signals...
Hello,
I am trying to build on the nrf5340_cpuappns sample, however this snippet seems to always warn unable to allocated UART send data buffer. Is there any reason k_malloc...
Hi Everyone!
nrf_serial.c and nrf_serial.h are gone in SDK 17.0.2. There are present in 16.0.0. I do not see any mention of this in the release notes.
Was this module...
i am using example code ble_uart for controlling gpio(led & buzzer) by editing bluetooth data handler. I am driving a buzzer using pwm.
led working fine i.e turned on/off...
In nRF Connect SDK I see drivers for BH1749 sensor from Thingy 91, but not for BH1745 from Thingy 52.
Is it possible that the BH1745 sensor will be supported soon? Looks...
I tryed to use the pynrfprog with a Segger-ARM-Flasher to update modem DFU.
I changed the python skript to follow - because there are 2 Segger-ARM-Flasher installed in...
Hi,
When I connect my device to an external power supply, it restarts randomly. It sometimes happens once every minute, sometimes once every 10 minutes. I couldn't find...
Hello,
I am transmitting 1 byte BLE data across a central and peripheral and the central does other things like control PWM, sample SAADC (scan mode), GPIO pins interrupts...
Hello,
When I am loading my project into SES I get the following warning message.
CMake Warning at C:/Zypher/v1.5.0-rc1/zephyr/CMakeLists.txt:1354 (message):
WARNING...
I have a nRF9160DK board and a want to generate a simple interrupt when I press button 1 (pin 6) on the DK board. When this works I will move to a different GPIO and hook...
I'm developing a small function that split string using delimiter (,) but i can't use strtok (undeclared function error)
so i added (CONFIG_NEWLIB_LIBC=y) to prj.conf file...
nRF52 DK fresh out of the box isn't recognized by my Windows 10 PC. When I plug the device into the USB port LED 1 pulses and LED 5 blinks rapidly. However, there is no sound...