My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
Hello
Where can I find operating characteristics of pstorage_store and pstorage_update?
Actually, I observe that about 100 ms are needed to update 4 bytes data. For...
Hi All,
I have two application modules which will use the flash , 1) Bond manager 2) configuration file
I have register both modules with different parameter in the initialization...
keil 5.12 could install pack file. I'd like to install S130 0.9 to keil 5.12, but I did not find S130 0.9 pack file. Could I install S130 0.9 manually and could select the...
Hi....
we are having some issues while testing our profiles in ios app.when switch from application to dfu am calling "sd_ble_gatts_service_changed(m_conn_handle,0x01,0x4D...
I'm looking for a simple and inexpensive solution for tying the TX and RX pins to GND after burning the OTP in production. What have other people done? I'd like to avoid having...
We are trying out nRF51822. My colleague has a top of the line Lenovo running Ubuntu and is able to detect the module when scanned. However, my macbook pro Mid 2014 (Which...
Hi everyOne , i have been trying to upload my hex file into my controller, but every time i click the "Load" option in KeiluVision a window pops out..! it shows " No Cortex...
One question came to mind while browsing through the SDK example code documentation:
as there is a blinky and a blinky RTX example, do all the projects which use the soft...
Hi!
I looked through the forum and didn't find the answer.
Our team is developing product with STM32F411 MCU and nrf51422 module. We need to provide firmware OTA update...
Hi
I have been reading for a few days now, through the nrf51 documentation, the forum, and getting a bit of a grip on the proposed concepts in the DK.
However, what I...
I am trying to create a Smart Home for my electronics project using BLE. I'm basing it on the nRF51822. I want to control 5 appliances (light, fan etc.) using relays.
Anyway...
Hi
I want to use my own 128-bit UUID with an nRF8001 chip to send data (soil moisture) to many devices at once without them having to connect to the device. It seems that...
Hi All,
We have been working on Arduino Mega board with BLE shield.
ble_disconnect API is added in latest RedBearLab/nRF8001 Library Code. We have integrated the latest...
I do have a program working perfect on the nRF51 EK with a CA revision chip. If I program the software on a nF51 based module (from e-bay brown PCB) with a C0 revision chip...
