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...
Hello -
This is a strange problem and I'm guessing I am missing something obvious. I am using the sd_ble_gap_scan_start() API to perform active scanning as follows:
...
Sdk: nRF5_SDK_15.3.0_59ac345
example: nRF5_SDK_15.3.0_59ac345.s.ble_peripheral\ble_app_hids_keyboard
question: After connecting to ios, ios virtual keyboard is automatically...
In some other non-hid app, I can set APP_ADV_TIMEOUT_IN_SECONDS to zero and it worked fine. The advertising is continuous.
But in the ble_app_hids_mouse, I set both APP_ADV_FAST_DURATION...
I would like to use AT commands to get the IMEI on a custom board that has an nRF9160.
In preparation for this I am attempting to get AT communication working on a NRF9160dk...
On the nRF52811 with the s140 softdevice, what is the set of things to do to enter very low power sleep state? The product specification says ION_RAMON_RTC is 1.5 μA. What...
Hi
there I'm having a problem in compiling an application using nrf_esb and app_timer.
./nRF5_SDK/components/properitary_rf/esb/nrf_esb.c:900: multiple definition of...
hi all, i'm trying to disable uart for lower power consumption, i've disables it with: but when i measure the voltage on the rx pin i see 1.8V (this seems to consume current...
Hi,
I'm starting with nrf52 dk using Keil ide for ANT+ applications...
I tried to run an example inside the sdk folder and I have problems with app_error functions....
I have been running a mqttsn client publisher/subscriber project (based on the example) successfully for some months. I have added a mosquitto broker to the raspberry pi border...
We are designing BLE products based on the Nordic nRF52840 chipset and star network topology which are used indoors, according to the network structure, we use one Master...
Hi everyone!
I've been using the Power Profiler Kit quite successfully for the past few months. Instead of using the UI, I designed a python app to communicate with it ...
The nRF52840 OPS 0.5.1, describes nWRITE,BLOCK as the amount of writes allowed in a block between erases, and lists nWRITE,BLOCK = 403 Maximum.
It looks like 8 blocks are...
Hi folks,
I have a system basically working with the following setup:
#define MIN_CONN_INTERVAL MSEC_TO_UNITS(7.5, UNIT_1_25_MS) #define MAX_CONN_INTERVAL MSEC_TO_UNITS...
adv interval : 1s
adv data: 31byte
tx power: 0dBm
MCU: nRF52832
The power consumption is shown in the figure below,when I don't enable DCDC.
what may be the reason...
