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, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
i made this project to try to create RSC service on arduino
developer.bluetooth.org/.../runningspeedandcadence.zip
unfortunately the server starts but i'm not able to...
Hi!
As a student, I am starting a new project on university. Project is based on beacons idea, so I decided to use Nordic's chip as an MCU.
I am trying to decide, which...
Hey folks,
I am going to join Nordic Developers community, but before I can do that I need your help.
I am quite familiar with software development, however, embedded...
Hello,
DFU issue (FOTA application update fail)
I have a problem when performing Application update over the air , after i change my boot loader.
so when try FOTA...
Hi,
I am using two Android devices with nRF Master Control Panel (BLE v4.0.5) app installed on both. I am using one Android device (Moto G 3rd Gen Android v6.0) as the...
Hi all,
I see that the nRF51 doesn't have a PWM module and a software PWM library is needed. How well does the software module actually run? I've had rather bad experiences...
I have a new nRF52-DK (PCA10040) and I'm trying to make some examples using arm-gcc. With freshly downloaded nRF5_SDK_11.0.0_89a8197 and Makefile.posix modified to point to...
What is the status of I2C pins and GPIO pins in the System OFF mode? Do they float once the SOC enters SYSTEM OFF mode? Here the accelerometer we are using consumes high current...
I tested Auto connect with NRF52832 UART APP(S132 softdevice), and nRF Master Control Panel APP.
I tested with samsung s3 neo and Moto G3 , but it is not working. In which...
I am currently using the watchdog in conjunction with RTX and a softdevice on the nrf51.
I am wondering if the default priority for the watchdog's interrupt works well in...
I am simulating button presses on a peripheral nRF51 device to determine average battery life. I send "button state" to central in a timer every 10s, with which I simulate...
Hi,
In my app , using SD130 , when i check the registers state while debuging i find that the RNB is powered on.
Do the SD130 power it on automatically? (because...
Hi All, We would like to use Alert Notification Service and UART service in our application. Here Our Peripheral will be Alert Notification client and UART Service server...
Hi, I have done the following:
Built a custom board with a brand new 128Kb nRF51822. On the board I only have the 16MHz xtal.
Routed out SWD IO/CLK and connected...