Make a hole in the bottle cap and put the upper part upside down on the lower part.
Pour a certain amount of sand on the top.
Let the sand flow for one minute and make a mark on the sand surface.
Dump the excess sand.
Check it several times and finally get the right sand.
Question 2: How to make an alarm clock with a one-minute timer?
Question 3: How to make a simple one-minute timer? Do you want to make such a product? What is the basis? Single chip microcomputer? This question is too broad to be answered specifically.
Question 4: What materials are needed to make a one-minute timer and how does it work? Electronic minute timer can be composed of crystal oscillator, counter and NAND gate. The crystal oscillator provides a high-frequency reference clock signal with stable frequency, and the counter and NAND gate * * * complete the function of precise timing.
Question 5: One-minute timer practice video man 1 _ Click ()
Timer 1. Enabled = Not Timer 1。 enable
End joint
Private Sub-Form _Load ()
Timer 1. Enabled = False
Timer 1. Interval = 60000
End joint
Private sub-timer 1_Timer ()
MsgBox 1 min.
End joint
Question 6: How to make a paper pendulum clock (one-minute timer), a heavy hammer, a messenger wire, a variable speed gear set and a damper at home?
The damper can be a fan or a propeller.
Or simply soak the whole transmission gear set in oil as a damper.
Find a reduction wheel on the speed change gear set, carve two protrusions and toggle a copper reed.
or
1. Find a plastic bottle and cut it in the middle.
2. Make a hole in the bottle cap, and then buckle the upper part upside down on the lower part.
3. Pour a certain amount of water into the top.
Let the water flow for a minute and make a mark on the water.
5. Pour out the water below and pour a certain amount of water on it later.
Question 7: One-minute timer 10 minutes needs to find an animation timer file supported by ppt. Give a little advice, search the dynamic diagram of a one-minute countdown timer online, download the computer, and insert the downloaded dynamic diagram. It's not easy to answer the question, hope to adopt it.
Question 8: How to make a one-minute countdown animation? The most stupid way: you draw 1440 frames, with 24 frames.