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 used the ANCS program in sdk12.3.0, I have closed the white list function, I use the iphone connection and paired, then I ignore this device on the phone, and then I use...
Hi
I am using nrf51-dk board along with the S130. I am getting the following message when I debug my code. The central link count is set to 0 while peripheral link count...
Hello,
I didn't find much information about how different settings for the MTU size behaves with older versions of BLE devices. I'm using the softdevice s132 4.0.2.
...
When trying out the ble_app_hrs_freertos example in nRF5 SDK 11.0.0-2.alpha_bc3f6a0 , I seem to only get 14-character long device name announcements.
This happens when...
To @Hung Bui. Hello sir. I am new to NRF51 microcontrolers and I am trying to use Pstorage in my written code. I have noticed this post of your's:
I am using nrf51422...
Why do I call this bluetooth send function (ble_nus_string_send )return values is 04 not 00(return sd_ble_gatts_hvx), why will appear this kind of circumstance?When I send...
I am using nRF Connect with nRF52 and need to use UART over BLE to send command to the device but I find that you can only use hexadecimal input and get hexadecimal output...
I have nRF52 and working with SDK11.
I can start BLE advertising and nRF Connect app will detect everything correctly.
I only have an issue: I want to advertise for...
Hi there,
I am getting some error in my SAADC measurements and I believe it's due to the R_INPUT forming a parallel resistance with my voltage divider at the input (the...
Hi,
I am measuring the current during sleep, after the sequence, __WFE();__SEV();__WFE();.
With NRF_LOG_ENABLED set to 1, the current is about 486 uA. With NRF_LOG_ENABLED...
Using: nrf51822, SDK 10.
My application needs to use TWI0 and SPIS1 at the same time. However if I enable TWI0 and then SPIS1, when I run nrf_drv_spis_init() I get NRF_ERROR_INVALID_STATE...
I am working with the SDK 13 ble_app_att_mtu_throughput example. With the SDK 12 example, it seems to require the SoftDevice to be loaded with the arm5_no_packs example. The...
Hello,
I'm designing a project with the nRF52832 where I will use an external SPI ADC.
For debug and backward compatibility purposes, I also plan to use the SAADC.
The...
