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,
In the Zigbee Network Coordinator example when flashing new file to nrf52840-DK the Zigbee network steering automatically starts. How do I disable auto-start of network...
I have allocated 100 pages for FDS, but now i dont have enough space for the DFU. ir there a way to use FDS space (im happy to loose data stored in FDS), for the BLE DFU?...
Hi,
Is it possible to send data on Connected mode and in parallel also send the periodic data ?
I tried to implement that but it fails to send in data on Connected...
Hi,
I work on a project that uses the dfu target library for firmware updates. This has been working flawless until I added task watchdogs.
The problem that I see is that...
Hi,
I am using a ISP3010 SiP which inludes a nrf52832, a DW1000 and the corresponding antennas (built-in antenna).
I have a custom board (board1) as reference, where the...
I added custom data to default asset_tracker_v2. The custom data is properly encoded and displayed in JSON format in LTE and acknowledged by Azure IOT, but it seems that the...
Hello,
We're working with nRF52833 & nRF52840 and I'm trying to figure out why we've ~0.3ms IRQ Latency from the moment I call the function " uart_irq_tx_enable (dev );...
Im building a wireless sensor network for farming applications and the issue I face is that when I supply the nrf52840dk from the external supply pins (P21) I get like 25μA...
Hi,
My customer use nRF52840 with nRF5 SDK 15.0.0.
They have come up against the difficulty that uart RX pin instability.
I have searched the DevZone and it's advised...
Hi Nordic Community
I have been building a thermometer device from which I would like to send temperature values via periodic advertising.
I have based the sender and...
HI
I am beginner, I have a question , is necessary to put both crystal in circuit configuration?,
in my application i am using nrf_calendar example like a watch, may be...
Team,
I am using nrf52810, sdk 17, sd112.
I have setup a write characteristics, to receive some long data ( 64 bytes)
// write char memset(&add_char_params, 0, sizeof...
I added ring buffer and UART ASYNCH interface to asset_tracke_v2. I added CONFIG_RING_BUFFER = y, CONFIG_SERIAL = y and CONFIG_UART_ASYC_API = y to prj.conf file. The build...
The nrf52 is waking from a sd_power_system_off() and resets. The reset reason register indicates it was from a DETECT from GPIO, yet the LATCH register is 0 and all the sense...
