As the tittle,can anyone tell me how to save data to the flash with nRF51822 ? I use SDK9.0.0 and S110. before I turn off my machine, I want to save several parameters to...
I use example from SDK 13 ble_app_uart_c.
I changed uuid to my uuid from nrf51 peripherial device. I get event BLE_GAP_EVT_CONNECTED
where made
err_code = ble_db_discovery_start...
dear all,
i need your help.
Where we are:
We use mbed software developer platform.
We have BLE Nano V1.5 + MK20 USB Board V1.0 from RedBear.
We are able to generate...
Hi:
environment:
target board: DK52 board and run LWM2M example of IOT-SDK v0.9
router: ubuntu 16.04 on VM and runs bsserver and LWM2M server on ubuntu 16.04 ...
Hi,
I'm interfacing a nrf51822 and a H8/3294. My question is how much can I drain a the txd pin of the H8/3294. That means my question isn't really about nrf51822.
In documentation...
Hi,
On the 3.30 of nRF52832_Rev_1_Errata_v1.5.pdf, the sleep current with LFXO active is 0.5ÎĽA higher.
I am using a nRF52832 module with the low frequency crystal oscillator...
Hi, i want to connect nRF52 Thingy with nRF6707 power profile kit to measure the current acquire by thingy.
How to connect the thingy to power profile kit
And also i...
I had updated Thingy:91 nRF9160 firmware to 1.1.1 using nRF Desktop Programmer. I used the "Cellular Modem" button and attached the new file mfw_nrf9160_1.1.1.zip
However...
Hi
We are developing by connecting nRF52832 to SMT32f303cb's SPI interface.
SMT32f303cb operates as an SPI Master.
If the clock frequency of SPI Master is changed to...
Hi there,
I am using the FDS module to store some application data in flash. It is my understanding that every time the data is updated using fds_record_update, a different...
The nrf52832 defined the 250k mode in the specification, but it is Deprecated. We want use nrf52832 send data and Nrf24l01+(or nrf52832) receive data in our pruduct. We have...
In my situation, I want to use bluetooth to designed a piconet which has 1 master and up to 4 slave .
Each slave upload data 2KB/S ,and the max distance support is 10 m...
The following code is from "Boot_Loader\nrf_bootloader_app_start_final.c":
__STATIC_INLINE void jump_to_addr(uint32_t new_msp, uint32_t new_lr, uint32_t addr) { __ASM volatile...
Hi Guys ,Currently i am working project related to Bluetooth Low Energy. I want to perform Device Firmware Upgrade from (Server Side to Client Side ) need some Sample code...
Regarding I2C, the Nordic specifies a typical value for frequency in different modes (nrf52832/40); however there is no tolerance specified for the frequency. What is the...
Hello, we are trying to use a uart while minimizing power consumption. On this post
https://devzone.nordicsemi.com/f/nordic-q-a/26030/how-to-reach-nrf52840-uarte-current...
Hi,
I am evaluating the nRF52840-DK and wanted to add some debug code to the UART.
I have used the same libraries as the 'UART_PCA10056 (which works), but when the code...
Hi,
I'm using SDK5 V16 with the NRF52dk. I'm writing a SPI <-> BLE <-> USB I/O chain and am still kinda stumped by the SPI. All the examples work just fine, but when I look...
We seem to be having an issue on several Android devices, where reconnecting sometimes triggers an erroneous GATT_INSUF_AUTHORIZATION. This then causes Android to automatically...
Hello,
I am currently trying to get a project working that uses FDS, but I am having trouble getting the writing and updating working.
The peripherals in my project...