Signal hub

Listen to and control 433Mhz devices

Add cheap wireless power sockets, window and security sensors.

W‌ireless power sockets 

Control lamps and other devices.


Connect doorbells and wall switches. These don't require batteries.

Wireless smoke sensors 

T‌urn on all the lights when the smoke alarm goes off. 

Door, window and motion sensors

Security doesn't have to break the bank.

Creating the Signal hub

A‌proximate build and install time: 40 minutes. 

Connect the receiver

Connect its data pin to pin 3.

Connect the transmitter

Connect its data pin to pin 4.

Connect the touch screen

Connect its TX (Transmit) pin to pin 5 and its RX pin (Receive) to pin 6.

Plug in the Arduino

Plug in the RF-Nano Arduino

Plug the RF-Nano into its socket. The USB connector should be on the outside of the main board.

Open the Candle Manager

Select the Candle Manager from the menu, and follow the steps. It will help you upload the code to your new creation.

Add your new device

Visit the Candle controller and on the things page press the (+) icon. Your new creation should be available. Optionally, select which of its properties you'd like to have in the spotlight. Click on "save" to complete the proces.

Shopping list

You can buy all the parts yourself, for example on Aliexpress.com.
Touch screen
Feb 18, 2019

A touch screen offers a very versatile way of interacting.

433Mhz receiver and transmitter
Jan 21, 2019

This receiver and transmitter were selected because they don't require you to solder on an antenna. To save yourself $4…

RF-Nano Arduino
Aug 10, 2018

The RF-Nano is an Arduino Nano with built-in wireless connectivity. It's the brain of all Candle devices.

Dupont wire
Aug 09, 2018

These wires allow you to easily connect the main board to sensors and actuators. They snugly fit over the pins. No soldering…