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sysch
- 各种实用电路图 +5V输入+30V输出升压电路.gif 4管发射机原理图.gif USB转232电路.gif 超声波驱蚊虫器.gif 经典的电源电路(7805扩流).gif 等20多个电路-various practical circuit 5V input 30V output boost circuit. Gif four transmitters schematics. Gif 232 USB switch circuit. Gif ultrasonic pest
Time_init
- 定时器结合LED 7805开发板，适合初学者
7810howtocounthot
- 以7805为例说明问题。 设I=350mA，Vin=12V，则耗散功率Pd=(12V-5V)*0.35A=2.45W 按照TO-220封装的热阻θJA=54℃/W，温升是132℃，设室温25℃，那么将会达到7805的热保护点150℃，7805会断开输出 -7805 as an example to illustrate the problem. Located I = 350mA, Vin = 12V, the power dissipation Pd = (12V-5V)* 0
TTL_RS232_Schema
- ttl2rs232 adaptor using a max232 and voltage stabilizator 7805
LM7805
- datasheet of 7805 for 5VDC power supply
power-supply-design-7805
- 基于7805的直流稳压电源设计，设计一个单片机的供电电源，利用LM7805-7805-based DC power supply design, power supply design a microcontroller using LM7805