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 all!
I'm currently trying to communicate with the CR95HF (on the BM019) chip over SPI with the DK52 board.
I'm using SDK 15.0
According to their datasheet, the CR95HF...
Hello,
When I analyse the output of my radio, I see that I have a spurious frequency at 12,8 Mhz.
I supply my custom board with a fidelity power supply so no problem...
So I have implemented the UART BLE mesh code as mentioned in devzone.nordicsemi.com/.../send-and-receive-a-string-via-access-layer .
Now I am able to take inputs from the...
Hi,
1.
I feel really stupid as I cannot make any sense of any of the information found in Product Specification (v3.3), or the online Compatibility Table or past forum...
We can know the state of radio by checking NRF_RADIO->state register value, but is there any way that we can be "informed of" the state transitions of this register instead...
I want to demo the NFC provisioning example on Github. Unfortunately this app is not complete.
https://github.com/googlesamples/android-NfcProvisioning
Is a complete...
Hi. I'm using nRF52832 SDK 13.0.0.
My device is peripheral and it is advertising every time.
Now I want to change advertising packet and scan response packet every time...
Hello:
We have a BLE project running on the BMD-300 from Rigado for which we want to add BLE DFU functionality. I am basing our development on the "ble_app_buttonless_dfu...
Hello,
I want to measure the current in system off mode.
I am flashing the S110 softdevice and bootloader in the nrf51822 chip.
Using BLE i am flashing an application...
Hi nordic
I'm developing using nrf52832
This board has many example code so I'm developing smoothly
but Today I had problem. It is about check time
I want to check...
Hello, I use light switch example (nrf52832, mesh sdk 2.0.1)
Can I create mesh network without servers? (clients will send messages to each other and process them)
And...
Hi, I want to use 2 I2C instances and 2 SPI instance during setup, and later switch to 1 I2C instance and 3 SPI instance. To do this, I tried to swap TWIM2 instance to SPIM2...
I'm looking to build a product which require an Android board with relay and BLE 5. I am very new to this and so far I have been playing with Raspberry Pi where the BLE and...
Hello, this will be a bit of a long-winded explanation but here goes: I'm building an SPI driver that reads data from an external ADC and writes to a PWM signal. I got the...
