CRT-32 Audio LED Christmas Tree DIY Kit
CRT-32 is a Audio Christmas tree kit consists of circuit board and allows 37pcs LED flash with input audio from 3.5mm socket or microphone and showing a Christmas tree in Red/Yellow/Blue (the night environment has better viewing).
CRT-32 changes the number of lights with the strength of the input audio.It can simulate the spectrum display and the display effect changes with the music.CRT-32 can be used for Christmas, event celebrations and parties, etc. It can be used to create a festive atmosphere.
1>.37pcs highlight LED
2>.Perfect simple circuit
3>.Sound Control audio display
4>.Support microphone and audio socket input
6>.Two display modes
1>.Product Name:CRT-32 Audio LED Christmas Tree DIY Kit
3>.Work Voltage:DC 4.0V~5.0V
5>.Power Type:Battery Box and 3.5mm Power Socket
6>.Work Module:Switch Control
8>.Audio input:3.5mm audio socket and microphone
1>.Complete the correct installation according to the installation steps.
2>.Input right work voltage from battery box or 3.5mm power socket.
3>.Press SW1 self-locking switch to turn ON or OFF work power:
3.1>.CRT-32 is in working state when the key is locked.
3.2>.CRT-32 is out working state when the key is released.
4>.It support microphone MIC and 3.5mm audio socket input audio.
4.1>.CRT-32 receives the audio from the microphone when the audio cable is not connected.
4.2>.CRT-32 receives the audio from the 3.5mm audio socket when the audio cable is connected.
4.3>.3.5mm audio socket has higher priority than microphone MIC.
5>.Set and change display mode by toggle Switch SW2.
5.1>.LED dot display mode:The LED at the highest point of the audio is turn ON but the other LED are OFF.
5.2>.LED Line display mode:All LED that meet the audio intensity are lit.
5.3>.The reference display effect is more obvious about two display mode.
6>.Rotate VR1 Potentiometer to adjust audio sensitivity.
1>.Training welding skills
1>.User needs to prepare the welding tool at first.
2>.Please be patient until the installation is complete.
3>.The package is DIY kit.It need finish install by user.
4>.The soldering iron can't touch the components for a long time(1.0 second), otherwise it will damage the components.
5>.Pay attention to the positive and negative of the components.
6>.Strictly prohibit short circuit.
7>.User must install the LED according to the specified rules.Otherwise some LED will not light.
8>.Install complex components preferentially.
9>.Make sure all components are in right direction and right place.
10>.Check that all of the LED can be illuminated.
11>.It is strongly recommended to read the installation manual before starting installation!!!
12>.Please wear anti-static gloves or anti-static wristbands when installing electronic components.
7.Installation Steps(Please be patient):
Step 1: Install 1pcs 5.1Kohm Metal Film Resistor at R1.
Step 2: Install 1pcs 12Kohm Metal Film Resistor at R2.
Step 3: Identification LED.The Longer pin is positive pole.
Step 4: The longer pin is inserted into the rectangular pad.The shorter pins are inserted into the oval pads.
Step 5: Reserve the LED pins about 3mm and then bend LED pins.Then use soldering iron and solder wire to fix the LED.
Step 6: Install 6pcs 3mm Red LED at LED1, LED2, LED41, LED42, LED71, LED72 at PCB1.Bend the LED at the same time.
Step 7: Install 6pcs 3mm Yellow LED at LED21, LED22, LED51, LED52, LED81, LED82 at PCB1.Bend the LED at the same time.
Step 8: Install 6pcs 3mm Blue LED at LED31, LED32, LED61, LED62, LE91, LED92 at PCB1.Bend the LED at the same time.
Step 9: Install 1pcs DIP-18 LM3915 at IC1 at PCB1.There is a dot on one end of the IC and there is a mark on PCB where the IC can place on.These two marks are corresponding to each other and are used to specify the installation direction of the IC.
Step 10: Install 1pcs 47uF Electrolytic Capacitor at C6.Pay attention to distinguish between positive and negative.The Longer pin is positive pole.The longer pin is inserted into the rectangular pad.
Step 11: Install 1pcs SS12D07 Toggle Switch at SW2.So far, PCB1 is installed.
Step 12: Install 7pcs 3mm Red LED at LED0, LED3, LED4, LED43, LED44, LED73, LED74 at PCB2.Bend the LED at the same time.
Step 13: Install 6pcs 3mm Yellow LED at LED23, LED24, LED53, LED54, LED83, LED84 at PCB2.Bend the LED at the same time.
Step 14: Install 6pcs 3mm Blue LED at LED33, LED34, LED63, LED64, LE93, LED94 at PCB2.Bend the LED at the same time.So far, PCB2 is installed.
Step 15: Install 1pcs DO-35 1N4148 Diode at D1 at PCB2.The black mark is negative pole.
Step 16: Install 2pcs 1Kohm Metal Film Resistor at R4,R5.
Step 17: Install 3pcs 10Kohm Metal Film Resistor at R3,R7,R9.
Step 18: Install 2pcs 100Kohm Metal Film Resistor at R8,R10.
Step 19: Install 1pcs 1Mohm Metal Film Resistor at R6.
Step 20: Install 4pcs 0.1uF 104 Ceramic Capacitor at C1,C2,C7,C8.
Step 21: Install 2pcs TO-92 S8050 Transistor at Q1,Q2.
Step 22: Install 1pcs DC3.5*1.3mm Power Supply Socket at CN1.
Step 23: Fix the power socket with the extra pins of the resistor.
Step 24: Install 1pcs 9*7mm Microphone at MIC1.The marked pin is negative pole.
Step 25: Install 2pcs 5Pin 3.5mm Audio Socket at JK1,JK2.
Step 26: Install 1pcs 470uF Electrolytic Capacitor at C4.Pay attention to distinguish between positive and negative.The Longer pin is positive pole.The longer pin is inserted into the rectangular pad.
Step 27: Install 2pcs 1uF Electrolytic Capacitor at C3,C5.Pay attention to distinguish between positive and negative.The Longer pin is positive pole.The longer pin is inserted into the rectangular pad.
Step 28: Install 1pcs 5.8*5.8mm Self-locking Switch at SW1.There is a concave on switch and there is a white mark on PCB where the switch can place on.These two marks are corresponding to each other and are used to specify the installation direction of the switch.
Step 29: Install 1pcs 50Kohm Potentiometer at VR1.
Step 30: So far, all 3pcs PCB have been installed and then they need to be assembled together.
Step 31: Assemble PCB1 and PCB2. At the same time, fix only a pair of pads for adjusting the position.The direction of assembly must be in accordance with the arrow on PCB.
Step 32: Adjust height and position cooperate with PCB3 and make sure they fit properly.
Step 33: Fix PCB1 and PCB2 through 11 pairs of pads.
Step 34: Fix PCB1 and PCB2 on PCB through 8 pairs of pads.The direction of assembly must be in accordance with the arrow on PCB.
Step 35: Keep the wire of the battery box about 15cm.
Step 36: Install 1pcs AA*3 Battery Box at BAT4.5V. Red wire connect to ‘+’ and black wire connect to ‘-’.
Step 37: Fix the battery box on PCB3 and fix by 2pcs M2*5mm Screw and 2pcs M2 Nut.
Step 38: Connect to power supply and enjoy the effect.
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 orders@ICStation.com
(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: