Network-dat/Infrared-dat/2025-11-08-18-15-11.png
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Network-dat/Infrared-dat/Infrared-dat.md
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@@ -11,12 +11,24 @@
11 11
12 12
## Boards
13 13
14
+infrared pairs
15
+
14 16
- [[SIR1008-dat]]
15 17
16 18
arduino shield - [[DAS1013-dat]]
17 19
18 20
controller - [[SIR1003-dat]]
19 21
22
+## infrared pairs - 2 Pin
23
+
24
+![](2025-11-08-18-15-11.png)
25
+
26
+![](2025-11-08-18-16-54.png)
27
+
28
+
29
+
30
+
31
+
20 32
## RPI-SCH
21 33
22 34
![](2024-12-20-18-08-22.png)
Tech-dat/laser-dat/laser-dat.md
... ...
@@ -1,24 +0,0 @@
1
-
2
-# laser-dat
3
-
4
-Lasers are widely used in sensors to **measure the shape, distance, or surface profile** of an object.
5
-
6
----
7
-
8
-## 🔍 How Laser Works as a Sensor
9
-
10
-Lasers can be used in sensors through the following key principles:
11
-
12
-| Method | Principle | What It Measures |
13
-|--------------------------|--------------------------------------------------------|--------------------------------------------|
14
-| **Laser triangulation** | Measures angle of reflected beam from an object | Distance, surface profile |
15
-| **Time-of-flight (ToF)** | Measures time light takes to reflect back | Distance (even long-range) |
16
-| **Laser scanning** | Sweeps a laser across an object and records distances | Shape, surface contour, 3D modeling |
17
-| **Laser interferometry** | Measures phase change of reflected laser light | Ultra-high precision displacement |
18
-
19
-
20
-## ref
21
-
22
-- [[TOF-dat]]
23
-
24
-- [[tech-dat]] - [[laser-module-dat]]
... ...
\ No newline at end of file
Tech-dat/laser-dat/laser-module-dat/2025-06-06-19-08-29.png
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Tech-dat/laser-dat/laser-module-dat/laser-module-dat.md
... ...
@@ -1,10 +0,0 @@
1
-
2
-# laser-module-dat
3
-
4
-![](2025-06-06-19-08-29.png)
5
-
6
-## ref
7
-
8
-- [[actuator-dat]]
9
-
10
-
Tech-dat/light-dat/laser-dat/laser-dat.md
... ...
@@ -0,0 +1,24 @@
1
+
2
+# laser-dat
3
+
4
+Lasers are widely used in sensors to **measure the shape, distance, or surface profile** of an object.
5
+
6
+---
7
+
8
+## 🔍 How Laser Works as a Sensor
9
+
10
+Lasers can be used in sensors through the following key principles:
11
+
12
+| Method | Principle | What It Measures |
13
+|--------------------------|--------------------------------------------------------|--------------------------------------------|
14
+| **Laser triangulation** | Measures angle of reflected beam from an object | Distance, surface profile |
15
+| **Time-of-flight (ToF)** | Measures time light takes to reflect back | Distance (even long-range) |
16
+| **Laser scanning** | Sweeps a laser across an object and records distances | Shape, surface contour, 3D modeling |
17
+| **Laser interferometry** | Measures phase change of reflected laser light | Ultra-high precision displacement |
18
+
19
+
20
+## ref
21
+
22
+- [[TOF-dat]]
23
+
24
+- [[tech-dat]] - [[laser-module-dat]]
... ...
\ No newline at end of file
Tech-dat/light-dat/laser-dat/laser-module-dat/2025-06-06-19-08-29.png
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Tech-dat/light-dat/laser-dat/laser-module-dat/laser-module-dat.md
... ...
@@ -0,0 +1,10 @@
1
+
2
+# laser-module-dat
3
+
4
+![](2025-06-06-19-08-29.png)
5
+
6
+## ref
7
+
8
+- [[actuator-dat]]
9
+
10
+
Tech-dat/light-dat/light-dat.md
... ...
@@ -0,0 +1,14 @@
1
+
2
+# light-dat
3
+
4
+
5
+- [[infrared-dat]] - [[laser-dat]]
6
+
7
+- [[laser-module-dat]] - [[light-guide-dat]]
8
+
9
+- [[light-density-dat]]
10
+
11
+
12
+## apps
13
+
14
+- [[sensor-dat]]
... ...
\ No newline at end of file
Tech-dat/light-dat/light-density-dat/light-density-dat.md
... ...
@@ -0,0 +1,78 @@
1
+
2
+# light-density-dat
3
+
4
+## How to Easily Test Light Lumen Output
5
+
6
+> While you can’t measure lumen precisely without professional equipment, here are some simple methods to roughly estimate or compare light output.
7
+
8
+---
9
+
10
+### Method 1: Compare Against a Known Lumen Light Source
11
+
12
+#### Steps:
13
+1. Find a light bulb with a known lumen rating (e.g., an 800-lumen LED bulb).
14
+2. Place the light you want to test and the known bulb at the **same distance** and **same background**.
15
+3. Turn both on and observe the brightness on a white wall or paper.
16
+4. Visually compare which one is brighter to estimate relative lumen output.
17
+
18
+### Features:
19
+- ✅ Very simple and intuitive
20
+- ❌ Not quantitative, only relative comparison
21
+
22
+---
23
+
24
+### Method 2: Use a Phone’s Light Sensor to Measure Lux
25
+
26
+#### Steps:
27
+1. Download a light meter app that measures illuminance in lux, such as:
28
+ - `Lux Light Meter`
29
+ - `Physics Toolbox Sensor Suite`
30
+2. Point your phone’s sensor toward the light source at a fixed distance (e.g., 1 meter).
31
+3. Read the lux value from the app.
32
+4. Estimate lumen using the formula:
33
+
34
+ Lumen ≈ Lux × Area (in square meters)
35
+
36
+Example: If you measure 500 lux over 1 square meter:
37
+
38
+ Lumen ≈ 500 × 1 = 500 lumens
39
+
40
+
41
+#### Features:
42
+- ✅ Quantitative measurement
43
+- ✅ Easy to operate with a smartphone
44
+- ❌ Accuracy depends on phone sensor quality and measurement setup
45
+
46
+---
47
+
48
+### Method 3: DIY Integrating Sphere (Simplified Version)
49
+
50
+#### Concept:
51
+Use a hollow sphere with a white or reflective interior to evenly distribute light from the source inside. Measure the light inside the sphere with a light sensor or phone, then calculate total lumen output.
52
+
53
+#### Materials:
54
+- Foam or plastic sphere
55
+- Small hole for the light source
56
+- Light sensor module or a phone with a sensor
57
+- White paint or reflective material inside the sphere
58
+
59
+> ⚠️ This method requires some DIY skills and basic electronics knowledge. I can help with detailed instructions if interested.
60
+
61
+---
62
+
63
+### Summary Table
64
+
65
+| Method | Accuracy | Tools Needed | Difficulty |
66
+|------------------|------------|------------------------------|-----------------|
67
+| Comparison Method| Low | Known lumen bulb | ★☆☆☆☆ |
68
+| Phone Lux Meter | Medium | Smartphone + Lux app | ★★☆☆☆ |
69
+| DIY Integrating Sphere | Medium-High | DIY materials + light sensor | ★★★★☆ |
70
+
71
+---
72
+
73
+### Recommendations
74
+
75
+- For simple brightness comparison, use **Method 1** or **Method 2**.
76
+- For a closer approximation to real lumen measurement and you enjoy DIY projects, try **Method 3**.
77
+
78
+If you tell me what type of light source you want to test (e.g., flashlight, lamp, projector), I can help you choose the best approach.
Tech-dat/light-dat/light-guide-dat/light-guide-dat.md
... ...
@@ -0,0 +1,15 @@
1
+
2
+
3
+# light-guide-dat
4
+
5
+Applications: Consumer electronics, home appliances, medical equipment, industrial instruments, communication equipment, automotive electronics, smart home, brand logos, and other electronic products.
6
+
7
+
8
+## boards
9
+
10
+- [[ILE1065-dat]]
11
+
12
+
13
+## ref
14
+
15
+- [[tech-dat]]
... ...
\ No newline at end of file
Tech-dat/light-density-dat/light-density-dat.md
... ...
@@ -1,78 +0,0 @@
1
-
2
-# light-density-dat
3
-
4
-## How to Easily Test Light Lumen Output
5
-
6
-> While you can’t measure lumen precisely without professional equipment, here are some simple methods to roughly estimate or compare light output.
7
-
8
----
9
-
10
-### Method 1: Compare Against a Known Lumen Light Source
11
-
12
-#### Steps:
13
-1. Find a light bulb with a known lumen rating (e.g., an 800-lumen LED bulb).
14
-2. Place the light you want to test and the known bulb at the **same distance** and **same background**.
15
-3. Turn both on and observe the brightness on a white wall or paper.
16
-4. Visually compare which one is brighter to estimate relative lumen output.
17
-
18
-### Features:
19
-- ✅ Very simple and intuitive
20
-- ❌ Not quantitative, only relative comparison
21
-
22
----
23
-
24
-### Method 2: Use a Phone’s Light Sensor to Measure Lux
25
-
26
-#### Steps:
27
-1. Download a light meter app that measures illuminance in lux, such as:
28
- - `Lux Light Meter`
29
- - `Physics Toolbox Sensor Suite`
30
-2. Point your phone’s sensor toward the light source at a fixed distance (e.g., 1 meter).
31
-3. Read the lux value from the app.
32
-4. Estimate lumen using the formula:
33
-
34
- Lumen ≈ Lux × Area (in square meters)
35
-
36
-Example: If you measure 500 lux over 1 square meter:
37
-
38
- Lumen ≈ 500 × 1 = 500 lumens
39
-
40
-
41
-#### Features:
42
-- ✅ Quantitative measurement
43
-- ✅ Easy to operate with a smartphone
44
-- ❌ Accuracy depends on phone sensor quality and measurement setup
45
-
46
----
47
-
48
-### Method 3: DIY Integrating Sphere (Simplified Version)
49
-
50
-#### Concept:
51
-Use a hollow sphere with a white or reflective interior to evenly distribute light from the source inside. Measure the light inside the sphere with a light sensor or phone, then calculate total lumen output.
52
-
53
-#### Materials:
54
-- Foam or plastic sphere
55
-- Small hole for the light source
56
-- Light sensor module or a phone with a sensor
57
-- White paint or reflective material inside the sphere
58
-
59
-> ⚠️ This method requires some DIY skills and basic electronics knowledge. I can help with detailed instructions if interested.
60
-
61
----
62
-
63
-### Summary Table
64
-
65
-| Method | Accuracy | Tools Needed | Difficulty |
66
-|------------------|------------|------------------------------|-----------------|
67
-| Comparison Method| Low | Known lumen bulb | ★☆☆☆☆ |
68
-| Phone Lux Meter | Medium | Smartphone + Lux app | ★★☆☆☆ |
69
-| DIY Integrating Sphere | Medium-High | DIY materials + light sensor | ★★★★☆ |
70
-
71
----
72
-
73
-### Recommendations
74
-
75
-- For simple brightness comparison, use **Method 1** or **Method 2**.
76
-- For a closer approximation to real lumen measurement and you enjoy DIY projects, try **Method 3**.
77
-
78
-If you tell me what type of light source you want to test (e.g., flashlight, lamp, projector), I can help you choose the best approach.
Tech-dat/light-guide-dat/light-guide-dat.md
... ...
@@ -1,15 +0,0 @@
1
-
2
-
3
-# light-guide-dat
4
-
5
-Applications: Consumer electronics, home appliances, medical equipment, industrial instruments, communication equipment, automotive electronics, smart home, brand logos, and other electronic products.
6
-
7
-
8
-## boards
9
-
10
-- [[ILE1065-dat]]
11
-
12
-
13
-## ref
14
-
15
-- [[tech-dat]]
... ...
\ No newline at end of file
Tech-dat/tech-dat.md
... ...
@@ -142,7 +142,7 @@
142 142
143 143
- [[sensor-temperature-dat]] - [[sensor-non-contact-temperature-dat]]
144 144
145
-- [[sensor-photoelectric-dat]]
145
+- [[sensor-photoelectric-dat]] - [[sensor-light-dat]]
146 146
147 147
- [[acturator-dat]] - [[motor-dat]] - [[motion-control-system-dat]] - [[dc-gear-motor-dat]]
148 148