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 have a problem using TWI driver with my softdevice enabled.
The TWI is able to communicate successfully to the slave without the softdevice.
But the same code...
Now that my application finally supports OTA DFU, I hit a new problem. Instead of nRF51822 starting the newly flashed application, some old version seems to start. Or at least...
Just a general plan not a detail one . like this: in the SD132 2.0.0 we will add the funtion of change the MTU up to about 150 bytes，at the approximate time 2016-4
I am testing the freertos port, based on the hrs example in the new SDK 10.0. I have run into an issue while using the uart during long transmission sequences (where the fifo...
The alpha release of the S332 is now available and I am just curious which example included in the 0.9.2 SDK would be the best jumping off point for building a new project...
I just realized that I have the nrf52 board (with nrf25832) which actually explains a lot but the end goal of my project will be using the nrf51822 (because the nrf52 chip...
Hi there,
I am using the nrf51-ble-driver_win_0.5.0 to communicate with peripherals via the PCA10028.
My problem is when I call sd_ble_gattc_write() in my Windows application...
Hello Everyone,
I am trying to add the pwm library in the button example in SDK verrsion 10 but app_pwm.c files showing this error can anyone letme know why this error is...
I use s130 based device as central to connect to my ios device, when connected, the central will issue a bond request, if user accept this request on ios device, the bond...
While using PPI and trying to use the first channel as a clock based PWM running on timer1 I noticed that whenever I use more than 2 PPI channels, the pin that is toggeling...
Hello!
I have multiple peripherals and multiple centrals. I'm trying to make one peripheral to connect only to one central.
I read a way to do this is by using whitelisting...
I’m attempting to use an nRF51 dongle with connectivity_115k2_with_s130_1.0.0.hex burned on to it. I’m using the dongle as a central, attempting to connect to a peripheral...
Hi, i try to add a passkey with "ble_app_uart".
I want to this thing.
If i try to use the master_pannel app to connect, peripheral require passkey.
no bonding.
...
Hi all;
I have a hardware question . How much is the discharge time of 10uF capacitor which put in the VDD pin of 51822 ?
When i use the formula of capacitor discharge...
