electronic kits engineering We—153 Simulate Sounder
- Length: 0:17
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- Author: mmokgcg
Tags: activity children computer diy educational electronic kits mechanics present robots science soldering technology toys
It is a musical toy. When connecting power, push the switch to No, there is a sound. Press SW1, it will change to another sound which is from low to high in seven different sound. In this circuit, NE555 acts as oscillator，CD4017 controls the frequency from NE555, then we can get different...
electronic kits engineering We—151 Sound Controlled Music Circuit
- Length: 0:9
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- Author: mmokgcg
Tags: activity children computer diy educational electronic kits mechanics present robots science soldering technology toys
When there is sound from surroundings, our circuit will play music automatically, later will stop if sound appear again, it will replay. In the circuit, sound signal magnify and go through BZ, Q1, Q2 to trigger IC, then it will sound. This circuit is widely used in sound controlled electronic toys.
electronic kits engineering We—149 Shadow Catcher
- Length: 0:16
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- Author: mmokgcg
Tags: activity children computer diy educational electronic kits mechanics present robots science soldering technology toys
As indicated by circuit diagram, when there is a shadow passing through R1, loudspeaker would make a sound, which tells you there is person passing. If you put it at the doorway, change to another IC, it will become your comity device. This circuit utilize photoresistor that is sensitive to light...
electronic kits engineering We—148 Birthday Candle
- Length: 0:33
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- Author: mmokgcg
Tags: activity children computer diy educational electronic kits mechanics present robots science soldering technology toys
This is a experimental product which simulate real candle, that can be lighted and extinguished. When lighted, it plays birthday song, and when extinguished, stops the song. This can make your birthday jubilantly. It uses switch SW2 and MK1 to realize the function of lighting and extinguishing,...
electronic kits engineering We136 Gold cock crow
- Length: 0:16
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- Author: mmokgcg
Tags: activity children computer diy educational electronic kits mechanics present robots science soldering technology toys
This repeat timing circuit is also called two ways or two fold timing circuit. Repeating means that it is not only opening and closing circuit by timing, but also setting up by timing. The opening and closing time of this circuit can be regulated separately and does not affect each other. It has...
Aydan at Miramar Speed Circuit
- Length: 0:13
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- Author: edhartel
Tags: aydan cart circuit diego go miramar san speed
Aydan getting a lesson on how to drive a Go Kart at Miramar Speed Circuit in San Diego, Ca.
electronic kits engineering We-132 Funny Light Experiment
- Length: 0:24
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- Author: mmokgcg
Tags: activity children computer diy educational electronic kits mechanics present robots science soldering technology toys
Funny light control stretch spot moving experiment is specially designed for extra-curriculum. It can be applied to all kinds of ornaments and just needs a little bit alteration. #This circuit uses time base circuit NE555 and decade counter IC MC14017 and 18 Light Emitting Diodes. When LED1~LED18...
electronic kits engineering We-124 Light Control Circui
- Length: 0:18
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- Author: mmokgcg
Tags: activity children computer diy educational electronic kits mechanics present robots science soldering technology toys
In cinema, the lamp on the top will put out when a film is on, but it is not put out at once. It darkens the cinema slowly. When the film is end, the lamp will bright slowly. #This circuit uses NPN transistor, variable resistor and capacitor as main components. When this circuit is switched on,...
electronic kits engineering We-086 Light Sensitive Alarm
- Length: 0:10
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- Author: mmokgcg
Tags: activity children computer diy educational electronic kits mechanics present robots science soldering technology toys
The circuit is a Light Sensitive Alarm composing of MCI4011, Phototube and other components. It is used to protect your eyes. When the light is dim, we will hear the sound from the speaker. The core of this circuit is IC MC14011. MC14011 is a control circuit that composes four NAND gates. R2, C...
The Best Of Gran Turismo 5 Part 49
- Length: 2:53
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- Author: megogy80
Tags: bmw ferrari granturismo5 gt5 gtp_lemans gtplanet lemans lotus lotusevora nissan onlinerace playstation3 ps3 racecar thebestofgranturismo topgear
Lotus Evora first time out on the circuit. A nice racecar good handling very stable. Watch and Enjoy! Please leave a message and watch my other movies. Thank for watching. Gr Le Mans
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