| Nhà phát triển: | Nitrio (115) | ||
| Giá bán: | $2.99 | ||
| Xếp hạng: | 0 | ||
| Đánh giá: | 0 Viết đánh giá | ||
| Danh sách: | 0 + 0 | ||
| Điểm: | 0 + 6 (5.0) ¡ | ||
| App Store | |||
Mô tả
Every (LED) light emitting diode has a current that they can handle safely. Going beyond it maximum current will damage the LED. So limiting the current through the LED with the use of a series resistor is a common practice.
LED resistance calculator will help you determine the value of the resistor so you can add in series with the LED to limit the current. Just input the indicated values and the result will be calculate automatically. The result include Resistor Value, Resistor Power Dissipation and Recommended Resistor Wattage.
Formula: R = (Vs - Vf * Nled) / If
Where:
Vs - Supply Voltage
Vf - LED voltage drop. The voltage drop on a LED depends on the color it emits.
If- LED current. The usual operating range of common 3 mm and 5 mm LEDs is 10-30 milliamps.
Nled - Number of LEDs in series
A light-emitting diode (LED) is a two-lead semiconductor light source. It is a p–n junction diode that emits light when activated. When a suitable current is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the form of photons. This effect is called electroluminescence, and the color of the light (corresponding to the energy of the photon) is determined by the energy band gap of the semiconductor. LEDs are typically small (less than 1 mm2) and integrated optical components may be used to shape the radiation pattern.
Appearing as practical electronic components in 1962, the earliest LEDs emitted low-intensity infrared light. Infrared LEDs are still frequently used as transmitting elements in remote-control circuits, such as those in remote controls for a wide variety of consumer electronics. The first visible-light LEDs were of low intensity and limited to red. Modern LEDs are available across the visible, ultraviolet, and infrared wavelengths, with very high brightness.
* This method is not recommended for high current LEDs, which need a more reliable switching current regulator.
Thanks for your support and do visit nitrio.com for more apps for your iOS devices.
Ảnh chụp màn hình
Giá bán
- Hôm nay: $2.99
- Tối thiểu: $2.99
- Tối đa: $2.99
Theo dõi giá
Nhà phát triển
- Nitrio
- Nền tảng: iOS Ứng dụng (115)
- Danh sách: 0 + 1
- Điểm: 4 + 376 ¡
- Xếp hạng: 0
- Đánh giá: 0
- Giảm giá: 0
- Video: 0
- RSS: Đăng ký
Điểm
0 ☹️
Xếp hạng
0 ☹️
Danh sách
0 ☹️
Đánh giá
Hãy là người đầu tiên đánh giá 🌟
Thông tin bổ sung
- Phiên bản: 1.1
- Danh mục:
iOS Ứng dụng›Tiện ích - HĐH:
iPad,iPhone,iOS 12.0 trở lên - Kích thước:
9 Mb - Ngôn ngữ được hỗ trợ:
English - Xếp hạng nội dung:
4+ - App Store Xêp hạng:
5.0(6) - Cập nhật:
- Ngày phát hành:
Danh bạ
- Trang web:
http://www.nitrio.com
LED Resistor Calculator Plus URL ngắn: Đã sao chép!- 🌟 Chia sẻ
- App Store
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