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Automatic Garden Light
Posted on Sunday, June 22, 2014   •   Category: Miscellaneous

Automatic Garden Light

This circuit automatically turns on and illuminates the LEDs when the solar panel does not detect any light. It switches off when the solar panel produces more than 1v and charges the battery when the panel produces more than 1.5v + 0.6v = 2.1v.

     Using HSR312 / HSR412 Solid State Relays
     Solid State Relay
     Water Level Indicator with Alarm
     Wiper Speed Control Circuit
     Automatic Garden Light
     Arduino Soil Moisture Sensor
     AC Power Meter
     Doorbell with 555 IC
     Off Line-UPS Offers (100 -5000 Watts)
     Driving P-Channel MOSFETs with a Microcontroller
Automatic Garden Light

 

Build Accurate LC Meter and start making your own coils and inductors. This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils. LC Meter can measure inductances starting from 10nH - 1000nH, 1uH - 1000uH, 1mH - 100mH and capacitances from 0.1pF up to 900nF. The circuit includes an auto ranging and reset function to make sure the readings are as accurate as possible ... [more]



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