We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hi all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
My application uses the Softdevice, app_timer and app_pwm.
So all timers are in use, but I have to measure two more pwm signals on two input pins.
(Those come from HC-SR04...
Hi,
I'm resetting the chip externally using the reset pin to not be in debug mode. I'm running the system off example here modified to not use buttons.
I have the J...
Hi,
I am looking for some assistance to choose the best way using the nrf52832 processor in a correct way.
The main task is to generate a 1KHz PWM Signal with changeable...
Hello,
I am using nrf51822 ceaa package.
What would happen if dec1 pin is not connected to a capacitor?
According to the datasheet, it is for power decoupling and...
I'm developing py script for automation testing of nRF devices.
My script is based Nordic's scripts Master Control Panel\3.7.1.8567\lib\dfu...
So, during testing my script...
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I have some devices based on NRF51822 using ESB lib and developed with Nrf51 SDK v10 (no softdevice). Since Nrf5 SDK v11 is released, the new device will be developed...
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I am curious about how the connection is keep while using the 32.768K in BLE link layer in power saving mode.
I know that the connection interval is based on multiple...
Hi,
I have two BLE centrals and one BLE peripheral. Both centrals are in range of the peripheral and both want to connect to the peripheral at exactly same time. What central...
Hello ,
We are working to an OEM Security System project that is using BLE.
The system contains at least 2 modules that communicate using the BLE technology.
One of...
I am trying to run the example ble_app_hrs on the nRF51 dk PCA10028. I target and build the file, and I believe it makes it onto the device, as the old program on the device...
Hi,
when i program my eval kit using nRFgo studio, the chip dosen't work unless i do a hard reset OR put off supply and put on again.
Any idea ? My program, is dfu bootloader...
Hello Nordic Team,
I am sorry to say this, our development team found a major glitch in micro-esb communication protocol. we are in stage of pre-production of medical sensors...
Hi
We are thinking of using NRF51 for BLE and CPU capabilities. But we also need a Wifi add-on to connect to cloud.
What is the right chipset for this? Which ones are...
I have a demo(s110) set up with some custom services, and in them custom characteristics. The services each relate to a specific sensor element on my device, so have a mostly...
I'm using ble_nus_string_send() to send 15 bytes over BLE UART.
As expected it sends 15 bytes, however on occasion 14 bytes are sent instead of 15 bytes.
Would there...