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...
We are using an MDBT42V(29 pin) module which we discovered from the datasheet, comes with an nRF52832 controller. We are using a nRF52 DK to dump codes into this target board...
I am using nRF Connect (PC version) a lot to debug my application. I am using a PCA10040 board as dongle and everything works fine most of the time. But after I keep the nRF...
SDK 14.2 libraries/util/sdk_errors.h includes sdk_config.h but does not use it. In other words, it falsely expresses a dependency.
This makes it harder to compile code ...
I'm trying to send a string of 140 characters length using UART.....but only 98 characters length is being recieved in the output.
what could be the issue? How many bytes...
I am using nrf52 with SDK 14.2.0 and SD is S132.
The issue I am facing is that after Central is paired with one peripheral and bonding is done, the bonding information...
Hello! I am attempting to prototype a solution that implements a peripheral with the battery service that connects to multiple central devices. I see in the ble_app_multilink_central...
Hello,
i try to get a service with base_uuid1 and to this service a characteristic with the base_uuid2.
I am trying to implement BLE MIDI, the BLE_MIDI Specs:
BLE...
I developed square pulses from nrf51822. but I want to create biphasic current form from nrf51822. can u help, what kind of circuit i should add with nrf to create biphasic...
Hi, when following this tutorial and trying to make uECC in step B1, I got this error:
makefile:77: *** missing separator. Stop.
I tried multiple directories, all gave...
Dear sir,
Sir I am using nrf52832 with sdk14 for my application. Please the tell me what is the value of crystal oscillator, capacitors for the Bluetooth application ? Is...
Hi,
I have a hex file that builds [experimental_bootloader_secure_usb].
If you use keil, it will be downloaded and operated stably on board.
However, if you do not use...
Hello, I'm unable to compile my project, the compiler says:
I know there is a similar question here but the answer did not help me. I have
in my INC_FOLDERS in Makefile...
Hi there,
I know you guys are very busy and I appreciate your quick response on Devzone.
I'd like to make a request for a more polished example of Buttonless DFU using...
Hi I am using nRF52832. I want to use Real time counter of this chip for time keeping just like external RTC. Can you tell how much drift my system will get in time ? We are...