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 Dev Team,
Please guide me that, What is the data format needs to follow between BLE profile and iPad in order to transfer data.
I am performing both update(read) and...
Hi,
We have an extra current of 1uA while in system off mode(no RAMS). we get ~1.6uA instead of 0.6uA as we read on SPEC.
Do you have an idea what may cause the extra 1uA...
I am trying to modify the ble_app_hrs so that i can write a value to the board and save it as a new heart rate value. So far i have added a BLE_GATTS_EVT_WRITE case to the...
Hi,
I tried my best to solve my problem via forum but unfortunately no success.
I got nrf51 DK and played with it a lot. successfully program the samples and tweak them...
Per release notes, flash memory footprint has changed. The Multilink central project resets when trying to clear pstorage memory area and so I'm assuming that it is protected...
Hi,
Since i don't have nrf6310 board, i tried to test the multilink central application with pca10001 board, after referring the nRF51 SDK document. But unfortunately it...
Folks,
I've designed and implemented two product prototypes using the QFN package for the nRF51822. Now I need to move to the BGA version to shrink the designs. The nRF51822...
Im using the nRF51822 board with the nrfGo motherboard. I noticed the atmel microcontroler on the motherboard supports USB otg. It is possible for the nRF51822 to use the...
Hello,
I just received my nrf51822-mkit. I would like to connect it to android, but I need the product keys. I cannot find the product keys on the PCB or in the packaging...
Only p0.00 to p0.03 event can trigger an interupt in nrf 51822?
By nRF51 Series Reference Manual v1.0 ,I find that it only have CONFIG[n] (n=0..3) in GPIOTE, does it means...
Hello.
I use nrf51822 EK and TN-901 temp sensor.
My plan is nrf51822 slave, TN-901 is master
or considering the roles reverse.
Getting value is spi and output is uart...
s120 1.0.0.1-alpha loads fine
s120 1.0.0.2-alpha won't load - The given hex file did not load successfully
s120 1.0.0.3-alpha won't load - same error message
See attached...
Folks,
Prototyping a wearable device using the nRF51822, so we're talking about Bluetooth LE and the 2.4 GHz band (although the protocol probably doesn't matter). Since...
