Note: Due to some reasons, this product is out of stock recently. If you make bulk orders, please feel free to contact our customer service firstname.lastname@example.org. Bulk orders will be realized. Please kindly noted. :)
This circuit is used to detect ambient light, when the light is brighter, a sound and light alarm is sent out. Its power supply voltage is DC 3V to 5V.
W1 is adjustable resistance to regulate induction sensitivity, and GMDZ is a photosensitive resistance.
When the light is brighter, the resistance value of the resistance is reduced. The base current flowing into the Q1 is larger.
The voltage of the triode collector is reduced by D1 and the R2 is the current limiting resistor.
At the same time, the base current flowing through the R1 into the Q2 is also larger. Q2 enters the state of saturation. SP1 is a buzzer and she starts to call the alarm.
|NO.||Component Name||PCB Marker||Parameter||QTY|
|1||Metal Film Resistor||R1||10K||1|
|2||Metal Film Resistor||R2||100ohm||1|
Tested by ICStation's Outstanding Partner bzoli5706:
Learn More Details in the Video:
(The language in the video is English)
First we should say that ICStation doesn't accept any form of pay on delivery.Items used to be shipped after receiving the order info and payment.
1) Paypal Payment
PayPal is a secure and trusted payment processing service that allows you to shop online. PayPal can be used at icstation.com to purchase items by Credit Card (Visa, MasterCard, Discover, and American Express), Debit Card , or E-check (i.e. using your regular Bank Account).
We are PayPal Verified
2) West Union
We know that some of you do not have the Paypal account.
Bank Transfer / Wire Transfer / T/T payment methods are accepted for orders which the total price is up to US$500. The bank will charge about US$60 for the transfer fee if we do the payment in these ways.
For other payment method, please contact us at email@example.com for more details.
1. Yanwen / YunExpress / 4PX / China Post Airmail Service
(1) Due to the high risk of package lost recently, we have to stop using the free shipping way these days. Hope for your kind understanding! And the $5 is for tracking number and delivery insurance ^0^ Enjoy order from us.
Free Shipping for all orders over $20 ^0^ (with free tracking number and delivery insurance fee)
(2) Shipping time
Shipping time is 7-20 business days to most of countries; please view below table for exactly shipping time to your location.
7-15 working days to: Most of Asia countries
10-16 working days to: USA , Canada , Australia , UK , Most of Europe countries
13-20 working days to: Germany , Russia
18-25 working days to: France , Italy , Spain , South Africa
20-45 working days to: Brazil , Most of South America countries
2. DHL/FedEx Express
(1)Shipping Fee: Free for the order which meet the following requirements
Total price of the order >= 200USD or Total weight of the order >= 2.2KG
When the order meets to one of the above requirement, it will be shipped for FREE via EMS/DHL/UPS Express to below country.
Asia: Japan , South Korea , Mongolia . Malaysia , Singapore , Thailand , Vietnam , Cambodia , Indonesia , Philippines
Oceania: Australia , New Zealand , Papua New Guinea
Europe& America: Belgium, Britain, Denmark, Finland, Greece, Ireland, Italy, Luxembourg, Malta, Norway, Portugal, Switzerland, Germany, Sweden, France, Spain, USA, Austria, Canada
Note: Shipping Fee to other countries, please contact firstname.lastname@example.org
(2) Shipping Time & Delivery Time
Because the package would be returned to the sender if it had not been signed by the receiver , please pay attention to the arriving time of the package.
1) APO and PO Box Addresses
1) Delivery Time of mixed orders with items in different Shipping Status should be calculated using the longest estimate times listed.
2) Chinese Holiday Reminder: During annual Chinese holidays, services from certain suppliers and carriers may be affected, and delivery for orders placed around the following times may be delayed by 3 - 7 days: Chinese New Year; Chinese National Day,etc.
3) Once your order is shipped, you will receive an email notification from icstation.com
4) Track the order which with tracking number via below links: