WebApr 12, 2024 · USA IIC I2C Logic Level Converter Bi-Directional Module 5V to 3.3V For Arduino. Sponsored. $5.74. $6.45. Free shipping. 10PCS IIC I2C Logic Level Converter Bi-Directional Module 5V to 3.3V. $3.01 + $2.90 shipping. 2/5/10PCS 4 Channel 5V 3.3V IIC I2C Logic Level Converter Bi-Directional Module. WebJul 22, 2024 · 12V to 5V: 9V to 5V: 12V to 3.3V: 9V to 3.3V: You should try popping these values in the voltage divider calculator just so you can see how the outputs work! It’s a great way to get familiar with it (it will help you understand the voltage divider formula). Voltage Divider Considerations.
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WebJan 6, 2024 · 如果要将电源适配器的电压从5v降压至3v,最好添加一个降压模块。 如果要将电源适配器的内部电路从5V更改为3V,则需要一块更专用的电子基础,并且需要分析电源适配器中的交流至直流电路。 WebApr 16, 2016 · (2)负载的额定电压为3.3v,而电源电压为5v 所以分压电阻承担的电压u2=u-u1=5-3.3=1.7(v) 假设串联电路的电流i=0.1a 根据欧姆定律i=u/r可知 分压电 … chick fountain tractor supply
Why do many electronics operate on 5 AND 3.3 Volts?
Web技巧一:使用LDO稳压器,从5V电源向3.3V系统供电标准三端线性稳压器的压差通常是 2.0-3.0V。要把 5V 可靠地转换为 3.3V,就不能使用它们。压差为几百个毫伏的低压降 (Low Dropout, LDO)稳压器,是此类应用的理… WebJul 13, 2024 · 继续阅读. 5V与3.3V的转换电路图介绍(二). 使用二极管钳位有一个问题,即它将向 3.3V 电源注入电流。. 在具有高电流 5V 输出且轻载 3.3V 电源轨的设计中,这种电流注入可能会使 3.3V 电源电压超过 3.3V。. 为了避免这个问题,可以用一个三极管来替代,三 … WebFeb 16, 2024 · This is the 74AHCT125, a quad level shifter that can connect 3.3V and 5V devices of up to four channels. I've got a project that will use a 3.3V microcontroller, and six channels of NeoPixel strips running at full brightness from a large 5V power brick, so I decided to go with the 8-channel LXB0108 logic shifter seen here. chick fowle