Marmaled Jam LED Light First Aid Kits LED Lights Mini Massager LED Flashlight

This is not a jam, it is a light: Marmaled jam LED light

However, where is its switches? This is also the mystery of it concealed, as long as you put the bottle upside down, it lit! It is also used as night lights for kids.

The drawback is that it is like a bottle of jam so much. The body of bottle was also marked "non-edible" to avoid eating, but if there are children at home, you must take it out of children can reach.

  

This is not a dolphin toy, it is a light: auto first aid kits LED lights - dolphins

Do not think that it is only a light resembles a dolphin, not only it is the best LED flashlight, it has a breakdown of glass and cut off the seat belt. It is compact applies to any car, which is a multi-purpose vehicle security tools. The most important thing is that it is low-carbon products! Taking the Dynamo never pollute the environment.

The drawback is that it is like a toy so much. Athought it likes a dolphin, but for the security, please put away from children!

Do you think it is just a lamp! it is wrong! It is also a massage: Mini Massager

Summer is the peak period of power outage often happens, so the essential of every household is a flashlight. But how can the ordinary flashlight meet your needs? ! If a LED flashlight can only lighting, then it is failed.

Who would ever have thought that massage is actually also related to led flashlight, yes. Is this the most relaxing flashlight to meet you usually love to massage. This section is also a low-carbon products, environmentalists do not have to worry about batteries pollute the environment.

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Best Start up Aid for PCs

Since one of the servers owned by the author would not start up by itself after a power failure this little circuit was designed to perform that task. 

The older PC that concerned did have a standby state, but no matching BIOS set-ting that allows it to start up unattended. Although a +5 V standby supply voltage is available, you always have to push a but-ton for a short time to start the computer up again. Modern PCs often do have the option in the BIOS which makes an automatic start after a power outage possible. After building in the accompanying circuit, the PC starts after about a second. Incidentally, the push-button still functions as before.

 

The circuit is built around two golden oldies: a NE555 as single-shot pulse generator and a TL7705 reset generator. The reset generator will generate a pulse of about 1 second after the supply voltage appears. The RC circuit between the TL7705 and the NE555 provides a small trigger pulse during the falling edge of the 1 second pulse. The NE555 reacts to this by generating a nice pulse of 1.1RC. During that time the output transistor bridges the above mentioned pushbutton switch of the PC, so it will start obediently. 

Other applications that require a short duration contact after the power supply returns are of course also possible.

Author : Egbert Jan van den Bussche – Copyright : Elektor

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