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...
Hello DevZone,
SDK 15.0.0. SD132 PCA10040
SPI settings : Mode 0, MSB first, 125kbps, orc = 0
I am trying to get NFC communication between two dev kits, one using the...
Hi,
is there a possibility to tune the external xtal (lfxo) or the rtc?
In other microcontrollers there is a possibility to trim, for exampe the rtc ignores one or more...
Hi teams,
I have build custom board connected to ethernet via ENC28J60 ethernet controller.
It uses SPI communication with ENC28J60, but some strange behaviour during...
hello
i am using nrf52832 with pwm driver (working with ble and s132 if it metters)
i need to control 4 different motors speed via pwm, since there can be only 3 instances...
Hi
I have implemented a scannable advertising on nRF51822, s130, SDK12,
I can see it's working by reading the scannable information on nRC Connect, however,
on the sniffer...
Hallo,
I have a question reading the datasheet. It states:
" If a regulator is only to be used in LDO mode, the inductor for this regulator is not needed. "
I want to...
Hello,
i'm trying to understand how nrf52 and softdevice work to use it in the future, i'm working on STM32 and i have my own RTOS, i try to appropriate the platform by...
I received my NRF52840 dongles and downloaded SDK 16.0.0 and SES 4.52c. I found some old documentation that said how to convert ble_app_blinky to the dongle but then exploring...
Hi,
I have nRF52840 Dongle(PCA10059), I try to develop on the nRF Connect Desktop. But this dongle can't update firmware on the nRF connect desktop.
My operation below...
I’m using the latest version of the modem 1.2.0 and sdk v1.2.0
For the most part AWS FOTA seems to be functioning.
However it will start the FOTA job and hang and fail...
Hi everyone,
I need to set up a timer using the RTC. The default function that converts ms to ticks APP_TIMER_TICKS() accepts only milliseconds. So, I wrote my own conversion...
I want to interface Client Sensor over UART in light_switch_client code. Can you please give me the idea,how to do it.
I am using Mesh_V4.0 and SDK 16.0
Hi, teams.
I am trying to implement DFU functionality on mesh node devices.
Currently, I am using Mesh SDK 4.1.0 and have read DFU-related documents, but still something...
Hello -
We are working with a custom board that is similar to the SparkFun Pro nRF52840 Mini . We are using the nRF52840 SDK version 16.0.0 and SoftDevice 6.1.1. Our board...
