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...
Hi,
I was thinking if it is possible to use, per example HackRF greatscottgadgets.com/.../ , to tune the antena of the nRF15822 seeing if it is transmiting on the 2.4Ghz...
Hello,
We developed the energy harvest application equipment with the HRM1017 module.
The function is every simply as follows:
After initialization, CPU scans 4 I/O ports...
Hi,
I am searching for a way to disable then re-enable the BLE packet transmission on PTU.
This is for testing the A4WP conformance test PRU/PC/GR/Link.
"Disable the...
Hi,
I just got an Arduino and a BLE shield. I was following the Smart Starter Kit. The demo project have me errors, so I just started using the proximity example, and editing...
Hi,
I am using the nrf8001 module provided by adafruit ( www.adafruit.com/.../1697) but it's not clear if the RDY and REQ pins available on the chip are active low or not...
I have made a small device composed by
SD310-1.0, boootloader and application. The device is sealed to be waterproofed and has a serial conenction used by the custom bootloader...
I've been working with SDK 7.1 and I am struggling to understand how to get the makefile working with an NRF51822-QFAA device rather than a nRF51422-QFAC. I have samples of...
Hi all,
I did this upgrade hoping to have a TX_COMPLETE event issue fixed (I'm not able to send more than 1 buffer per connection it seems in my notification based service...
Hi,
There are two advertise nodes, only broadcast (one packet/s) . The S120 star scan. At the beginning everything is OK，but after a while, maybe 3-5 minutes, only one...
Dear all,
I've loaded this example github.com/.../Blinky_ble
into the nrf6310 as it is, and s110_nrf51822_7.0.0 as a softdevice
I am connecting to the module through...
I need the nRF51-DK-HW hardware files ，but without a product key.
And I cann't buy a nRF51 in CHINA.
Someone can give me a product key or
help me to buy a nRF51.
Thanks...
Hello everyone,
I have developed a firmware that makes accurate time of flight measurements, working with my own protocol.
Now I need to integrate this firmware with BLE...
Hi,
We would like to switch to a stand alone debugger for nRF51822, However in the product specs ( www.nordicsemi.com/.../nRF51822 ) mentioning that standalone programmer...
Hi guys,
I have nRF51822 Evaluation Kit.
I am trying to make simple project for my senior design.
Here is the setup.
I need to control simple on/off switch from...
