The solar garden light is an interesting project that uses sustainable energy to illuminate a white LED. During the day the solar panel charges an AA battery, then when it goes dark the board automatically switches from charging the battery to illuminating the LED.
The solar panel is resin encapsulated and therefore waterproof. You will need to make a waterproof enclosure for the rest of the parts. Alternatively the board has been shaped so that it will fit into an old jar.
- Waterproof solar panel.
- Automatically switches on when dark.
- 1 x Solar Cell (60mm by 60mm).
- 1 x Rechargeable Battery 900mA/h.
- 1 x 22ohm Resistor.
- 1 x 330ohm Resistor.
- 1 x 1Kohm Resistor.
- 1 x 10Kohm Resistor.
- 1 x 100Kohm Resistor.
- 2 x 1nF Ceramic Disc Capacitor.
- 1 x Wide White 5mm Water Clear LED.
- 2 x BC337 NPN Transistor.
- 1 x AA Battery Holder, PCB Mounting.
- 2 x 470uH Inductors.
- 1 x BAT41 Diode.
- 0.5m Connecting Wire (For Solar Cell).
- 1 x Solar Garden Light PCB.
- Length: 56mm.
- Width: 44mm.
- Click here to download the essential information.
- Click here to download the full teaching resources.
This kit is supplied in a blister retail packaging. It is also available in a simple grip seal bag and bulk quantities for more details on this version click here.
This kit is designed and manufactured in the UK by Kitronik.
- PCB Length: 56mm.
- PCb Width: 44mm.
- PCB Component Count: 15.
- Voltage Nominal: 1.2V.
- Current Max at Nominal Voltage: Charge at 50mA.
Solar Garden Lights by students at Hawkley Hall High School.
Sun Jar designed by students at Hardenhuish School using the Solar Garden Light Kit.
A video about our Solar Garden Light Kit taken from our Ask Kitronik Live event 2012.
Hi Graham, You would need to use something to turn each different leg of the LED on and off, it doesn’t quiet work like a normal LED. We use the BBC micro:bit to control an RGB LED, a video can be seen here https://www.kitronik.co.uk/blog/inventors-kit-experiment-10-help. However we don’t have a kit designed just to run RGB LED’s.Posted byon Monday, 27 February 2017
Unfortunately the kit will not be able to drive two LED’s this is due to the kit being designed to drive one LED which requires 3V with around 1.2V from the battery.Posted byon Monday, 13 April 2015
You could swap the LED for an ultra bright one but it may not be much brighter in this application. The circuit runs from a 1.2V battery which is boosted up to 3V to lgiht the LED, but the drawback here is that the LED is actually flickering on and off faster than your eye can see. The result is it looks about 30% dimmer than it would be if connected up directly to 3V.Posted byon Thursday, 4 December 2014
0voteA: This is the biggest pack size however we also sell them without the blister packaging and in a cardboard box instead for a little less. There's even price breaks for larger quantities (10,100). This is the link to the product page for the version that isn't in retail packaging Click HerePosted byon Thursday, 17 April 2014
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