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...
I have 3 short questions:
Does S120 support or will support swiching over BLE and Gazelle like S110 does?
Will be able in future to be connected to a BLE...
Hi,
If I want to send data(400Bytes) to client(phone),I must use sd_ble_gatts_hvx to notify client. Is it right?
Every time I notify 20bytes until the end, is it right...
Hi,
I understand that the available RAM on the nRD51822 is 16k. How much of that space is reserved for the transmission/ reception of BT packets?
Thanks,
David
I've got something put together akin to the ble_lbs demo which uses a custom service. In fact, it's merely the LED part of that ble_lbs service, but on custom hardware. I...
Hi,
I have just received my nRF51822 based development platform. I bought nRFgo, nRF51822DK and nRF51822EK. However, I am only playing with the Evaluation kit to gain some...
Hello,
I try to modify the advertising initialization to advertise only my custom service (BTS_UUID_SERVICE ). Objective is to hide (just during adv) others sig services...
Hi,
where could i find detailed current consumption and timings (wake-up, rx, tx, power down) in connected mode for RF51822, in order to compute average current value for...
My device :
nRF6310 Rev 1.4(nRF6700)
nRF2722 Rev 2.2
I will use those devices to test RF communication between nRF2722 and nRF51822. Software environment is...
Hello,
I am playing with the s110 ble_app_proximity example.
As I do not want to store info in flash, I do not want to use the bond manager, that stores data in flash...
I'm currently using a combination of the GNU ARM Eclipse plugin and the unofficial pure-gcc Makefiles to build my nRF51822 code. The build works fine with the pure-gcc Makefiles...
Hello everyone,
I want to create a real-time wireless sensor network. There are 8 sensors in the net. I use two nRF24LE1 as receivers to recieve the datas stimultaneously...
Any idea what the max SPI slave clock frequency is on the nRF51822? The product specification (page 46, v2.0) says the max SCK frequency is 2MHz, but I was wondering if any...
Hello together,
I am searching for the source code of the MasterControl Panel for Android.
Is there a reason, that the code is not available, because the source code of...
Hello,
I'd like to know, if there is any difference between nRF51822 EK and DK, except device number. Two devices from EK will be enough for me.
www.nordicsemi.com/....
