I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
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, i gonna make a single wireless communication between nRF51822 chip and smartphone(nRF Toolbox) .
i can download some refernece layout of nRF51822 chip but there isn...
To adding more 128 bit UUIDs, more services, and more characteristic.
vs_uuid_count is the number of 128 bit UUIDs.
But I figured out the attr_tab_size only by increasing...
Hi there!
I want to send a float from nRF51822 to MCP App. I use this code:
float m_temperature = 26.3f;
uint8_array_t temperature_data_array;
temperature_data_array...
Hi everyone,
I was wondering if there are any issues turning on and off the ANT transmitting channel during run-time of nRF51422 with this:
err_code = sd_ant_channel_close...
I want to use master spi mode ,but when I build the file,it is always error.I operate like this ,First I open the project in ble_peripheral\ble_app_hrs\pca10040\s132\arm5_no_packs...
"Hi Guys, my nRF8001 BLE is working perfectly, But recently i was performing regression testing to check BLE connection, their i faced one issue after 10 minutes from nRF8001...
I am using SDK11 on a nRF52 board. I had some success in DFU, but also had issues.
Was able to upload the bootloader successfully using Master control panel. But it always...
I use the nRF52832 IC of WLCSP package.
In addition, it sets as follows:
{.source = NRF_CLOCK_LF_SRC_RC, \
.rc_ctiv = 16, \
.rc_temp_ctiv = 2, \
.xtal_accuracy...
Hi all,
I have a firmware in which I want to use BLE and ANT communication (with Softdevice S310) to send and receive commands from other Nordic devices or smartphones...
Hi,
I modified the code from the tutorial at devzone.nordicsemi.com/.../ to send measurements from my RHT sensor but encountered some basic difficulties. After fitting...
Hi,
I would like to know what the approximate Flash memory and RAM usage by nRF51 chipset would be when using the BLE communication (Let's say I want to send and receive...
Hi everyone
I am working with nRF52 (SD132). I am considering the ble_app_uart example and I'm trying to modify it by setting TIMER1 and TIMER2 peripherals to generate...
I'm trying to update the bootloader over the air, I succeeded to do so following the answer given here
it worked when I didn't change big things in the bootloader , but...
We have noticed that when our application is trying to call GATT disconnect while nRF master app is running, our app fails to disconnect. More over, when our app connects...