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 want to connect a rotary encoder.
So I have 2 pins of the nrf51822 connected to the encoder and I have to check which one change first to increase or decrease the...
So there seems to be a conflict between the TWI and the Softdevice. My I2C communication works over TWI fine in isolation but when i try to send data over ble the TWI doesnt...
I am using the nRF24le1 in Enhanced Shockburst mode.
The datasheet describes how it is possible to upload acknowledge packets, W_ACK_PAYLOAD, to the TX FIFO. And then the...
Hello,
I need to get RSSI with the NRF51422 (pca10031, S110), but i don't want to connect with a central device (i.e. Smart Phone). The central device should scan for bluetooth...
We tried to pair with and connect to nRF51822 DK running HTM app with SONY VAIO fit15e NB and always fail as we did the following steps.
We also tried some devices like ASUS...
Hi,
I just replaced the BLE chip in my board from CC2540 to nRF51822. I simply want to know how to configure the interrupt on a pin as well as rising/falling edge interrupts...
What are the allowed channel numbers for gazell?
In the gazell user manual it states, a possible 80 channels.
While the nrf_gzll_set_channel_table () API reference says...
Hi,
Is it possible for me to completely copy the antenna design from PCA10028 unto my custom board? I don't need a very long range, but I need to make a design fairly quickly...
For PCA10001 have 16MHz crystal, and I use the NOP to test the cycle. And found the device work in 16MHz. How to set this board as 32MHz?
This is my current setting in...
We need to sample all 8 ADC channels for random 1ms pulses to record amplitude data from in real time. How much will that impact the bluetooth performance if it needs to freeze...
Dear community,
I would like to know how to send as much data as possilbe from a Nexus 4 to an NRF51822 based device. For that I think I need to send multiple packets per...
Based on the announcement for upcoming training ( www.nordicsemi.com/.../Bluetooth-Innovation-Trainings) it sounds like Nordic will support the Bluetooth SIG's Bluetooth Developer...