Un sunlight sensor o daylight sensor It is a special mechanism that emits a redstone signal with different intensities, greater intensity while there is greater light irradiation. For example, the sensor emits a redstone signal for 15 blocks during midday (sun in vertical position), approximately 5 blocks in the afternoon, or conversely, if the sensor is inverted.
If the sensor has a block above it, then no signal will be output, which can be helpful in monitoring light levels with redstone lamps and pistons to cover or uncover the detector. You can use a NOT gate (also known as an inverted redstone or "Inverter" signal) to make the lights turn on at night and turn off during the day.
Summary
- 1 Manufacturing
- 2 Mechanisms
- 2.1 Operation
- 2.2 Night lights
- 2.3 Doors
- 2.4 Dispensers
- 2.5 Automatic defense systems
- 2.6 Moon detector
- 3 Bugs and bugs
- 4 History
Manufacturing
Ingredients | Manufacturing Recipe |
---|---|
Cristal + Nether Quartz + Oak wood slab or Fir wood slab or Birch wood slab or Jungle slab o Acacia wood slab or Dark oak wood slab or Crimson slab or Distorted slab |
Mechanisms
Operation
The sunlight sensor works by emitting a redstone signal equal to the real sunlight that falls on the sensor itself, when it darkens and decreases the sunlight it will emit less and less intensity until it does not emit when it is completely at night, This can be used for many automatic farms or to illuminate an area such as the outside of a house or an enclosure at night so that no mobs spawn, for the latter case the ideal would be to make a circuit with a comparator so that when the intensity is 7 or less the lights are turned on (from an illumination of intensity 7 or less bugs may appear), you could also use the moonlight sensor mode and put the ignition circuit 7 blocks from the sensor, Thus, when there is a solar light of 7, the lunar sensor will emit that same intensity and as the sunlight decreases, the intensity will increase to activate the circuit.
Night lights
![sunlight sensor](/images/posts/36abeee791a20e9c67b55a5317a08234-0.jpg)
During the day
![sunlight sensor](/images/posts/36abeee791a20e9c67b55a5317a08234-1.jpg)
Overnight
- The most common mechanism to perform with a sunlight sensor is the photocell system. To do this (see the photo), you will need adhesive piston, redstone lamp, redstone block, sunlight sensor and fences for the support.
- As seen, the sensor causes the piston to activate, which makes the redstone block NOT adjacent to the lamp. When it gets dark, the pistons deactivate causing the lamp to light.
- This mechanism has a disadvantage: before dawn, the lights go out, but it is still very dark. Also, if you have a lot of these mechanisms, it can cause some slowdown for a while.
Puertas
It consists of placing a sunlight sensor on a door. When it is daytime the door opens, but when night falls, it closes automatically. If you go out at night, it can be a disadvantage.
Dispensers
When it's daylight, the dispensers will drop 1 random item. The Gate NOT signal (for night effects) can also be used, for example potions, dynamite or arrows.
Automatic defense systems
When it gets dark, a redstone system can be made that activates defenses, such as blocking entrances by actuating pistons, exposing lava pits, etc. This can be used to defend yourself from creatures at night or to protect yourself from a player.
Moon detector
From 1.8 it is possible that the sensor detects lunar light instead of solar, this is achieved by right clicking on the detector once it is placed, the signal intensity will be the opposite of the detector in the solar state.
Bugs and bugs
- There is an error regarding the sensors. When an opaque block is placed on top of the Sensor and it is daytime, there is no signal. This only happens when there is a light level from 0 to 3. But if it is at night, they all turn on, even if they are close to natural light.
- There is also another in which the lights turn on and off all the time, due to their light effect on the sunlight sensor.
- Another mistake, which usually happens in adventure maps, is that when you go far away for a while and have a lot of night lights (see above), when you return the light is on but does not emit any light source at night.
History
Java Edition Alpha | |||||
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Nov 24 the 2012 | Jeb says there could be a light sensor. | ||||
January 2 2013 | Jeb tweeted an image of the sensor. | ||||
Java Edition | |||||
1.5 | 13w01a | ||||
El sunlight sensor is introduced. |
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