is_customized : Yes
new
Operating Temperature : new
Dissipation Power : new
Supply Voltage : new
Application : TV
Condition : New
Type : Logic ICs
555 Multi Harmonic Oscillator Kit NE555 Non Steady State Circuit Double Flash Lamp Electronic Manufacturing Training Kit
Power supply voltage 4.5-6V; The two 47 ohm resistors on the adjustment board can be suitable for other voltages;
Circuit board size: 3.1 * 2.8 cm;
1、 Circuit Description
The core component of this circuit is the 555 integrated timer, which operates in a non steady state mode. After turning on the power, the output level of the 555 integrated timer's three pins continuously changes in high and low levels. When the three pins are at high levels, D1 goes out, D2 lights up, and the buzzer emits a "click" sound; When the three legs are at low battery level, D1 lights up, D2 goes out, and the buzzer emits a "click" sound. So the light emitting diodes alternately emit light, and the buzzer emits a "ticking" rhythm sound.
DIY bulk shipment list:
Component Name Quantity
PCB board 1
KF301_ 2 Wiring base 1
Missing buzzer 1
8P IC holder 1
NE555 1
1UF capacitor 1
104 ceramic capacitor 2
47 Ohm resistor 2
2.2K resistor 1
100K resistor 1
3MM LED white to red 2
Picture of DIY bulk shipment:
Picture of empty circuit board (different batches may have different colors, please understand):
The circuit board is made of FR-4 military grade A material. The tolerance of the material and the stability of some parameters make A material very strong, which benefits from its high price compared to other materials. The PCB board is directly printed with the parameters of the components, which can be directly welded without referring to the circuit diagram, which is quite convenient.
1. The solder pad is sprayed with tin and treated with increased tin process, which can withstand multiple repeated disassembly and soldering and is not easy to fall off;
2. It is not easy to undergo self bending (referring to bending caused by non manual conditions), and poor boards will bend over time and environmental changes.
3. More stable and reliable impedance;
Welcome to our shop, enjoy the shipping here, you can contact with me ly if any question, usually we will send datasheet,code via email . hope to do business with you
payment:
we only accept the payment by credit card,western union.
We apologize that we cannot accept other payment methods, such as cheque or postal orders .
Shipping:
We Ship to Worldwide, but Italy, Nigeria, Brazil will take long delivery time .
Before buying, Please make sure your address is correct. Or not, please correct it before payment
Ship to worldwide from Hong Kong within 12-24 hours after payment completed received, and will give you the tracking numberasap. sometimes we will send it by flat post air mail if just one low price order.Hope you understand.
we advise shipping by DHL or EMS,and we have gave a discount for you,you can received it in 4-9 business days.
it takes about 15-30days usually if shipping by CHina/Hong Kong post air mail
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Warranty and Return:
12-months Warranty for defective items (excluding items damaged and/or misused after receipt).
Buy with confidence
Refund or replacement request is available only the requests within 1 week after parcel received & returning the item as the same condition as received.
Please contact us to request a return authorization. Your name, auction number, and reason for return should be included in the email. All items returned must contain all original packaging materials.
Please repack the item carefully. Items returned will be tested and a new replacement will be shipped to the buyer immediately when found defective. In the event that a suitable replacement is not available then a refund will be issued. Shipping, handling and insurance fees are non refundable.
Return shipping is to be paid by the Buyer.
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we have much more products, pls contact us if you need.welcome to wholesale. MUCH THANKS!!
