简易照度计DIY,Light Meter Circuit 简易照度计DIY,Light Meter Circuit 关键字:简易照度计DIY 简易照度计DIY 照度是受照平面上接受的光通量的面密度。照度计是用于测量被照面上的光照度的仪器。 跟动辄几千元的商用照度计相比,这个成本不足15元的简易照度计,其超值程度可想而知了。 这个玩具级的照度计作好以后,...
简易照度计DIY 照度是受照平面上接受的光通量的面密度。照度计是用于测量被照面上的光照度的仪器。 跟动辄几千元的商用照度计相比,这个成本不足15元的简易照度计,其超值程度可想而知了。 这个玩具级的照度计作好以后,我都能想到怎么用,第一件事儿就是拿这个照度计,挨个房间的闯,看看每个房间的照度有什么不同。
The images can be easily printed, mirrored, and converted to black and white using editing tools. The transfer is quick and requires no waiting time or rubbing. The final step involves sealing the images with a mod podge or clear acrylic spray. These planters are perfect for succulents, with...
Photon: an open-source incident light meter Photon reproduces the some of the functionality of more expensive tools, using a few inexpensive/readily available parts. Currently it measures ambient light brightness, as well as the red, green and blue components of the light, which might allow Whit...
meter is not just a tool for measuring audio levels; it's a statement of style and functionality. The beige backlight panel, powered by a DC 2.8-3.0V/20mA supply, illuminates the meter, making it easy to read in low-light conditions. The meter's adjustable potentiometer, 100R-V, ...
Buy Square Box VU Meter Backlight Level Header Testing Tool VU Meter Equipment Tool Level Header for DIY at Aliexpress for . Find more , and products. Enjoy ✓Free Shipping Worldwide! ✓Limited Time Sale ✓Easy Return.
The first solar cell was made in 1883 by an American inventor named Charles Fritts. He used selenium, a metalloid element that can conduct electricity when exposed to light. He coated a thin layer of selenium with gold and attached wires to it. He managed to produce a very small amount of...
3D Printed GT2 pulley link: Thingiverse Building the camera slider So I started with making the slider rails for which I used 22mm tick copper pipe. I decided to make the slider 1 meter long so I cut two pieces to 1 meter of length. Copper pipes can easily oxidize so therefore we need...
After stirring, the viscous liquid mixture is poured into a 3D-printed mold until the mold is full and is then allowed to cure in air for three hours. To accelerate the curing process, temperature can be elevated, although the mixture will also cure at room temperature. After the mixture ...
Works with 16x2 and 20x4 Character LCDs It does not work with 16x2 OLED displays Learn Primary Guide: I2C/SPI LCD Backpack Saving you 4 pins, every day Light Meter Measure and display light levels. Trinket Temperature & Humidity LCD Display ...