4-Channel 433MHz Wireless RF Remote Control Kit (200m)
Having the ability to control various appliances inside or outside of your house wirelessly is a huge convenience, and can make your life much easier and fun. RF remote control provides long range of up to 200m / 650ft and can find many uses for controlling different devices, and it works even through the walls. You can control lights, fans, AC system, computer, printer, amplifier, robots, garage door, security systems, motor-driven curtains, motorized window blinds, door locks, sprinklers, motorized projection screens and anything else you can think of.
Four button RF remote is used to turn ON / OFF four different devices independently. Any of the four outputs can be configured to work independently in either toggle or momentary mode. Outputs are buffered by BC549 NPN transistors and can drive low voltage devices directly or be connected to either 5V or 12V relays to control appliances that use 110V / 220V mains voltage or any voltage of your choice.
Multiple remote systems can be used independently to control more than four appliances in the same location by changing the address code on 433MHz receiver and remote. It is also possible to use several remotes to control the same appliance such as garage door.
Remote Control Schematic
Component List
1x Printed Circuit Board (PCB)
1x 4-Channel RF Receiver
1x 4-Channel RF Remote Control with 12V alkaline battery cell
1x PIC16F628A Microcontroller IC (converts four momentary to toggle outputs)
1x LM7805 Regulator
1x 100n Ceramic Capacitor
4x BC549 Transistors
4x 1K Resistors
4x 1N4148 Protection Diodes
1x Instructions Manual
Specifications
 Output Control Mode: Independent ON / OFF or Momentary
Transmission Frequency: 433MHz
Receiver Voltage Supply: 12V (when 12V relays are used) / 8-15V (when 5V relays are used)
Receiver Dimensions: 49mm x 20mm x 7mm
Remote Control Dimensions: 58mm x 26mm x 13mm (when antenna is not extended)
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FREE