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 am looking for cheapest (up to few hundred USD) and simplest Arduino basic solution to track real-time RFID tags distance (also direction if possible) without additional...
I have implemented a boot loader for DFU based on the sdk v6.1 DFU project.
After a when an upgrade is triggered within the application soft reset by the application:
...
Any idea how I can control the TX power within the Timeslot API in SDK v6 SD110 v7?
Are there something similar to "sd_ble_gap_tx_power_set(tx_power)" in the Timeslot API...
Hi All,
We are running some data throughput test on Samsung S3, Note2 & S4 with 51822 and have seen some interesting phenomena as describe below:
1> On both phones,...
Hi,
I couldn't able to program my custom board using both nrfgo Studio and keil. Actually i have two laptops with different versions of j-link driver installed, but suddenly...
Currently I am searching for s130 example code. I know it's in alpha stage, but I think it should be possible to start to experiment with it, isn't it?
In the past I've...
Hi,
I tried following code to close the ANT+ channel on channel not connected to the other ANT+ device:
#define CBSC_TX_ANT_CHANNEL 0
void ant_adv_timeout_handler(void...
We have a DFU which uses a different set of of services than the main app.
Both of them share bonding information which is create by our main app.
Once we switch to DFU...
I am trying to build a system with a single PRX and up to 5 PTX devices.
Initial development work was done with a single PTX with it's address on Pipe0 in the PRX. I have...
I have a CC2540 and CC2541 chip with me. I did figure out that both of them are working, but now I am stuck up at how to practically test if the proximity profile is working...
Hi,all
I want to simulate HFP(Hands-Free Profile) on S110, and i know HFP is one profile of Classic Bluetooth.
If i implement HFP on nrf51822, it can work will?
How would you go about extending Gazelle ?
For example I have a host with four devices. I want to connect this host to another host with its own set of devices.
Hi,
I'm planning to use a nRF8002 to transmit via BT the state of a pushbutton to a RFduino. I've my RFduino ready to receive data (and this works when paired to my iPhone...
Hi,
I'm trying to detect the nrf8001 by my Mac. My android device detects it, but when I search for it in mac, it's not detected.
I'm using this library: github.com...
