Are you really concerned about safety in the surrounding areas of your house? If so, using solar-powered motion security lights can definitely help you!. You can get it easily in the market, but if you have a tight budget and curious to learn, then this project is definitely for you.
I'll guide you on how to make a solar-powered motion sensor LED light by using cardboard, few LEDs and a cheap controller board.
The great advantage of this light is the combination of two of the most efficient and green technologies: LED and Solar. The light harvests solar energy during the day time and stores it in a Li-Ion battery for later use at night.
The sensor range is 2-5 meters with a sensing angle of 120°. when the motion detector is activated the light shines up to 25 seconds.
The Schematic diagram is very simple. The heart of the circuit is a motion sensor controller board. The main components are as follows
1. Controller Board
2. LED Panel
3. Solar Panel
4. Li-Ion Battery
During the day time, the solar panel harvests solar energy from the Sun and stores it in a Li-Ion battery for later use at night. The onboard motion sensor activates only when movement is detected and gives the signal to turn on the LED panel. The LED panel is consists of 18 LEDs connected in parallel.
I made the LED panel by using 18 Nos of 5mm Strayhat LEDs and a 3 x7 cm perforated board.
First, insert 6 LEDs in a row and bend the positive terminals at a right angle. Similarly, make 3 rows like the first one. Care shall be taken to maintain a uniform distance between the LED and row to row.
Then solder the LED legs and then join the legs together as per the schematic diagram.
After making the LED panel, we have to connect two terminal wires to it.
Connect 22 AWG red wire to the positive and black wire to the negative terminal of the LED.
You can see the above picture for reference.
The battery holder I have used comes with an extension wire. But the controller board battery terminal is female JST Connector instead of soldering pads. So we need a Male JST connector to connect the battery to the controller board.
Join the red wire of the Battery holder and JST connector together and then solder it. Do the same for the black wire.
To insulate the joint ( conductive part ), I have used heat-shrink tubing.
First, apply a little amount of solder flux on the two soldering pads on the Solar panel.
Then apply sufficient amount of solder to cover the soldering pads.
Finally connects a red wire to the positive (+) terminal and black wire to the negative (-) terminal.
The best thing about the Controller board is that it comes with the motion sensor. You don't need to buy a separate sensor for the project.
The connection terminals are properly labeled.The solar panel connections are ( S+ & S- ) , Light connections are ( L+ & L-) and battery connection is through a JST connector.
There are 3 different modes for the light, you can change it by pressing the pushbutton.
1. Faded / Full Bright
2. Full OFF / Full ON
3. Normal ON
Cut the above panels as per the dimensions are given above. I used my Exacto knife to cut out all the panels.
The front panel have the following slots:
1. LED panel
2. Motion Sensor and Push Button
The top panel have two holes to pass the solar panel wires.
The light coming from the LED panel creates strain to the naked eye, so LED diffuser is required for more consistent and pleasing light. You can buy an LED diffuser plastic sheet or acrylic sheet.
In my case I made it from an iPad Cover plastic, it works with charm.
Then glue the diffuser sheet over the led slot. After that glue two small strips of cardboard on both sides of the slot which will act as the base for the LED panel. Place the LED panel over the base and hot glue over it. Similarly, install the Controller board by properly aligning it.
Pass the Solar panel wire through the two holes on the top panel and then glue it.
Align the back panel, front, and top panels, then apply some masking tape to hold them temporarily.
Apply a sufficient amount of hot glue at the panel joints.
Are you really concerned about safety in the surrounding areas of your house? If so, using solar-powered motion security lights can definitely help you!. You can get it easily in the market, but if you have a tight budget and curious to learn, then this project is definitely for you.
I'll guide you on how to make a solar-powered motion sensor LED light by using cardboard, few LEDs and a cheap controller board.
The great advantage of this light is the combination of two of the most efficient and green technologies: LED and Solar. The light harvests solar energy during the day time and stores it in a Li-Ion battery for later use at night.
The sensor range is 2-5 meters with a sensing angle of 120°. when the motion detector is activated the light shines up to 25 seconds.
The Schematic diagram is very simple. The heart of the circuit is a motion sensor controller board. The main components are as follows
1. Controller Board
2. LED Panel
3. Solar Panel
4. Li-Ion Battery
During the day time, the solar panel harvests solar energy from the Sun and stores it in a Li-Ion battery for later use at night. The onboard motion sensor activates only when movement is detected and gives the signal to turn on the LED panel. The LED panel is consists of 18 LEDs connected in parallel.
I made the LED panel by using 18 Nos of 5mm Strayhat LEDs and a 3 x7 cm perforated board.
First, insert 6 LEDs in a row and bend the positive terminals at a right angle. Similarly, make 3 rows like the first one. Care shall be taken to maintain a uniform distance between the LED and row to row.
Then solder the LED legs and then join the legs together as per the schematic diagram.
After making the LED panel, we have to connect two terminal wires to it.
Connect 22 AWG red wire to the positive and black wire to the negative terminal of the LED.
You can see the above picture for reference.
The battery holder I have used comes with an extension wire. But the controller board battery terminal is female JST Connector instead of soldering pads. So we need a Male JST connector to connect the battery to the controller board.
Join the red wire of the Battery holder and JST connector together and then solder it. Do the same for the black wire.
To insulate the joint ( conductive part ), I have used heat-shrink tubing.
First, apply a little amount of solder flux on the two soldering pads on the Solar panel.
Then apply sufficient amount of solder to cover the soldering pads.
Finally connects a red wire to the positive (+) terminal and black wire to the negative (-) terminal.
The best thing about the Controller board is that it comes with the motion sensor. You don't need to buy a separate sensor for the project.
The connection terminals are properly labeled.The solar panel connections are ( S+ & S- ) , Light connections are ( L+ & L-) and battery connection is through a JST connector.
There are 3 different modes for the light, you can change it by pressing the pushbutton.
1. Faded / Full Bright
2. Full OFF / Full ON
3. Normal ON
Cut the above panels as per the dimensions are given above. I used my Exacto knife to cut out all the panels.
The front panel have the following slots:
1. LED panel
2. Motion Sensor and Push Button
The top panel have two holes to pass the solar panel wires.
The light coming from the LED panel creates strain to the naked eye, so LED diffuser is required for more consistent and pleasing light. You can buy an LED diffuser plastic sheet or acrylic sheet.
In my case I made it from an iPad Cover plastic, it works with charm.
Then glue the diffuser sheet over the led slot. After that glue two small strips of cardboard on both sides of the slot which will act as the base for the LED panel. Place the LED panel over the base and hot glue over it. Similarly, install the Controller board by properly aligning it.
Pass the Solar panel wire through the two holes on the top panel and then glue it.
Align the back panel, front, and top panels, then apply some masking tape to hold them temporarily.
Apply a sufficient amount of hot glue at the panel joints.
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