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...
Those vias are not there to provide fixation but proper grounding, right? Because I just connected them all to GND.
Would be embarrassing if they shouldn't.
Hi,
Assume the internal FET(s) that bucks the voltage down for the DC/DC got stuck on. I would like to calculate the current through the DC/DC inductor when it reaches...
Hi, I'm designing a new PCB using nRF52832 and I'm wondering what is the way to programm it for the first time.
I'm connecting pins 25 (SWDCLK), 24 (SWDIO), 31(VSS to GND...
I found out that google fitness support BLE sensor: developers.google.com/.../ble-sensors
Does anyone have experience with using nRF52 as Bluetooth sensor for Google Fitness...
Hi
I use nRF52832 and SDK13 and Central Device project.
and my device has not bonding function so may I mask my central device pm_conn_secure call
here is my part of code...
Hi,
I got the nRF52840 preview development kit and I am trying to follow the quick start guide here:
link text
It works fine for me up to step 7, where I am supposed...
Hi
I have gotten a Nordic PCA10040 hooked up to a Sparkfun nRF52832 as described near the bottom of the page here: learn.sparkfun.com/.../nrf52832-breakout-board-hookup...
hello,I'm having a problem with the ANT application,I have two pieces of the PCA10040 board as a ANT connectivity board for a ANT application board.According to the instructions...
Hi,
what is the default tx_power value in new v13.0.0 SDK in the ble_app_att_mtu_throughput example?
I can't find the use of the sd_ble_gap_tx_power_set() function which...
Hi,
After configuring the nRF51422 as a SPIS slave 0, we get the following error when trying to create the slave instance:
static const nrf_drv_spis_t spis = NRF_DRV_SPIS_INSTANCE...
Do you have any ready made example where beacon and NRF52 DK are communicating will each other.
Our idea is that beacon sends data to the NRF52 DK and NRF52 DK sends the...
Sorry if this is obvious but I cannot find the units of nrf_esb_config_t::retransmit_delay
in the SDK documentation, it just says: "The delay between each retransmission...
Hej,
I'm working with the nRF24L01+ and the ATmega328p programmed in c. The goal is to have both TX and RX mode in the same device, mainly work as RX but in certain conditions...