5a9e79996f4dcec18dad2f8c40fa29f8733afcf5
Chip-cn-dat/quectel-dat/quectel-gps-dat/L76-dat/L76-dat.md
... | ... | @@ -95,4 +95,6 @@ Sending corresponding command will make the modules enter Standby mode. Sending |
95 | 95 | |
96 | 96 | - [[MT3333-dat]] - [[MTK-dat]] |
97 | 97 | |
98 | +- [[cuper-cap-dat]] |
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99 | + |
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98 | 100 | - [[L76]] |
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Tech-dat/power-dat/battery-dat/battery-dat.md
... | ... | @@ -72,7 +72,7 @@ Stable chemistry: Their chemical structure is more resistant to thermal changes, |
72 | 72 | | **Features** | Ideal for devices that require more power and have higher current demands | Ideal for smaller devices that require less power and a more compact size | |
73 | 73 | |
74 | 74 | |
75 | -Key Differences: |
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75 | +### Key Differences: |
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76 | 76 | |
77 | 77 | Size: AA batteries are larger than AAA batteries, both in diameter and length. This difference in size translates to a larger energy storage capacity for AA batteries. |
78 | 78 | |
... | ... | @@ -87,3 +87,6 @@ Usage: Devices that require more energy or have higher power consumption tend to |
87 | 87 | |
88 | 88 | ## ref |
89 | 89 | |
90 | +- [[battery]] - [[l76-dat]] - [[super-cap-dat]] |
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91 | + |
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92 | +- [[XH-414H]] |
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Tech-dat/power-dat/battery-dat/super-cap-dat/super-cap-dat.md
... | ... | @@ -3,6 +3,16 @@ |
3 | 3 | |
4 | 4 | ![](2024-10-02-20-48-23.png) |
5 | 5 | |
6 | +- Brand: Seiko Corporation (SII) |
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7 | +- Model: XH414H-1V01E |
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8 | +- Specifications: Thickness 1.4, Diameter 4.8 |
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9 | +- Capacitance: 0.08F |
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10 | +- Voltage: 3.3V |
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11 | +- Charging time: 30min |
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12 | +- Weight: 0.07g |
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13 | +- Internal resistance: 80-100 ohms |
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14 | +- Operating temperature range: -20~60 degrees Celsius |
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15 | + |
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6 | 16 | |
7 | 17 | ## ref |
8 | 18 |
Tech-dat/signal-dat/pulse-generator-dat/2024-10-13-16-54-25.png
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Tech-dat/signal-dat/pulse-generator-dat/pulse-dat.md
... | ... | @@ -0,0 +1,15 @@ |
1 | + |
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2 | +# pulse-dat.md |
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3 | + |
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4 | + |
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5 | +In the graphic below, the green lines represent a regular time period. This duration or period is the inverse of the PWM frequency. In other words, with Arduino's PWM frequency at about 500Hz, the green lines would measure 2 milliseconds each. |
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6 | + |
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7 | +A call to analogWrite() is on a scale of 0 - 255, such that analogWrite(255) requests a 100% duty cycle (always on), |
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8 | + |
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9 | +and analogWrite(127) is a 50% duty cycle (on half the time) for example. |
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10 | + |
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11 | +![](2024-10-13-16-54-25.png) |
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12 | + |
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13 | +- ref - https://docs.arduino.cc/learn/microcontrollers/analog-output/ |
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14 | + |
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15 | + |