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 0.5μA higher.
I am using a nRF52832 module with the low frequency crystal oscillator...
I'm working on a product that is somehow related to geolocation. As part of it, RSSI measurement is sent back at high frequency to the central. Currently based on nRF51822...
Newbie here hoping to get some direction on how to properly setup a timer to have a timestamp displayed for DEBUG messages. I am working on a PCA10040 board. I tried looking...
Hi,
I have some basic doubts in installing the power profile on nrf52Dk(nrf52840). I'm trying to use it on my central device which has its application FW running. I have...
what is the sending data rate of the sd_ble_gatts_hvx() ,why i use sd_ble_gatts_hvx() send data 600Byte per second, it lost data again . it can be use yes or no ?????????...
I can copy a Hex file from a Mac to the mbed USB drive and the code executes correctly. However, if I upload the hex file from any windows PC in our office (Windows 10) the...
Hello, I am trying to generate pulses with the nRF52832 chip.I created a basic setup for test purposes; I simply connected a LED to the PWM output, but even though I put 0...
Hi,
I have designed the Circuit using NRF52832 BLE and AT8010-E2R9HAA RF ANTENNA and tuned the circuit accordingly. Since the antenna was not available so I placed other...
I'm relatively new to development on the nRF52832 and I'm trying to find information on how to use the sleep mode with the SAADC.
Goal: The micro should be in sleep mode...
Hi,
I am trying to create a BLE node which can perform dual role(advertising/scanning) to create mesh of multiple nodes. I am planning to do it with the help of timer....
the project has a problem with DMA,the detail is:
on the board,NRF52832 and extern chip communication with i2c bus,the chip through a pulse wake up nrf52832,NRF52832 start...
I have NRF51822 Controller(custom board,S110) used to send some sensor data. i can able to receive data in android and ios. now i want to communicate to Laptop which has internal...
Hello Everyone,
I am new to nrf51822 (using S130). I made some custom service that accepts float numbers.
This might be noob question: I want to send float values from...
We are developing a custom ble service and profile however having printf makes our lives that much easier so we are trying to incorporate it purely for testing purposes. ...
Hello,
I'm trying to optimize my application :
I have a central (nRF52832 s132) which communicates for a short time to a peripheral (nRF51822 s130) and then disconnect...
Hi
I'm trying to register an fds_evt_handler() in SDK 14. I have several questions:
Should I be registering fds_evt_handler() with NRF_SDH_SOC_OBSERVER or NRF_SDH_BLE_OBSERVER...
