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...
I am working on a project using the nRFDK51 as BLE scanner with s130 and BLE peripheral an nrf51822 custom PCB design. The BLE peripheral is the device we are developing for...
How many nRF52840 chips can be used simultaneously? Can all data and advertisement channels be used at maximum capacity (2Mbps/each) to result in an overall throughput of...
Hi,
I am running an nrf52 (board PTR5628, no external 32kHz crystal), having some leds blinking at startup just prior to start advertising. 75% of the time when I power it...
Hello all,
I have created a BLE application on nRF52 PCA10040 devboard with S132 SD, in which I would like to use a PWM with the PWM_Driver .
My pwm source code as below...
Hello,
I am new to nordic nrf51822 and want to program nrf51822- www.raytac.com/.../MDBT40 spec-Version A5.pdf using jlink ( world.taobao.com/.../537881589911.htm .
I...
Dear friends,
As it said in title,when using 52832,s132 softdevice,what is the max number of packets that can be sent in one connect interval ? In which document i can get...
I have run into a challenge with the app_twi API, and I'd like to run it by you for your advice. To be clear, I am not blocked. But I am not pleased with the source code maintainability...
Hello,
I'm trying to implement DFU support to our application on nRF52832. I got it working fine with SDK11 SD2.0, but now SDK12.2 SD3.0 is causing "gray hairs". I used...
i have a nrf51822 mcu device, when it ok, i use Ultrasonic bonding technology to Assembled box,and today,many device crashed,is it related to ultrasonic?
Hi,
this is for anyone having problem with the eddystone EID after reboot. There seems to be a problem that the EID slot will write the encrypted IK to flash instead of the...
I'm having issues with my application implementing DFU. I added the DFU service in my application and can get into the bootloader. I have added my own key to the bootloader...
I'm migrating form S332 0.9.1alpha (aligned to S132 2.0.0) to the newer S332 2.0.1 (aligned to S132 3.0.0) on a nRF52 board, and I'm seeing a new characteristic under Generic...
Hello,
I am trying to configure gpiote to give an interrupt for wake on motion functionality in MPU9250
I am configuring the MPU for that by calling separate wake_on_motion...
