[Electronic] Adjustable laptop power supply
This power supply can use 12V lithium battery, 12V lead-acid battery, 12V car power input, boost to 12v to 35V for notebook power supply.
2018-11-13
[Electronics] DIY makes a timed constant temperature lunch box
So how do DIY make a regular temperature lunch box?
2018-11-12
[Electronics] 555 Pocket Keyboard
This is a small keyboard made with the 555 timer, which can make a good sound, you can play a favorite music.
2018-11-08
[Electronics] Teach you to create a cool bullet case headset
Wearing such a cool DIY earphone, whether you are in the subway or bus, morning run or walking, it is like a firefly in the dark, it is so dazzling, bright...
2018-11-07
[ Electronics ] Homemade LED melody speaker
This is a student assignment, DIY melody speaker
2018-11-05
[Electronics] Candle-driven thermoelectric generator drives fans
Candle-driven thermoelectric generator drives fans
2018-11-02
[Electronics] DIY Transistor Music Spectrum
It took two days and I made a music spectrum.
2018-11-01
[Electronics] Teach you to make induction wireless transmission, lighting energy-saving lamps
I happened to see a video about this before, I feel like a light tube is very fun.
2018-10-31
[Electronics] DIY Love Shaped Lantern
This is a simple work based on digital circuits, no programming, no circuit design, just two chips.
2018-10-30