Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
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...
