Control a 3W RGB LED with an Arduino Ask QuestionAsked yesterdayActive todayViewed 71 times0 I’m not sure how to do this. I have this LED – the 4 pin 3E RGB led. I want to be able […]
Control 3W RGB LED with arduino
Control 3W RGB LED with arduino Ask QuestionAsked yesterdayActive todayViewed 47 times0 I’m not sure how to do this, I have this led https://www.aliexpress.com/item/4000289954769.html?spm=a2g0s.9042311.0.0.27424c4dKIwSHh the 4 pin 3w rgb led. I want to be able to control […]
Control 3W RGB LED with arduino
Control 3W RGB LED with arduino Ask QuestionAsked yesterdayActive todayViewed 39 times0 I’m not sure how to do this, I have this led https://www.aliexpress.com/item/4000289954769.html?spm=a2g0s.9042311.0.0.27424c4dKIwSHh the 4 pin 3w rgb led. I want to be able […]
How to Buffer an Op-Amp Output for Higher Current, Part 1
Add New Post Save draftPreview(opens in a new tab)PublishAdd title How to Buffer an Op-Amp Output for Higher Current, Part 1 Save draftPreview(opens in a new tab)PublishAdd title How to Buffer an […]
How to measure chlorine content in water using low cost sensor?
How to measure chlorine content in water using low cost sensor? Ask QuestionAsked todayActive todayViewed 19 times0 In my project, I need to measure chlorine content in water from the water treatment plant. I searched […]
Control 3W RGB LED with arduino
AliEXpress Diymore LED Lamp Driver PWM Dimmer DC7-30V to DC1.2-28V 350mA 1W DC-DC Converter Buck Step Down Module https://es.aliexpress.com/item/32657349303.html?spm=a2g0o.search0302.0.0.35d25296sO9vHl&algo_pvid=c7968d44-2589-4d7f-ba3c-297d1ec4ad00&algo_expid=c7968d44-2589-4d7f-ba3c-297d1ec4ad00-11&btsid=0bb0623216109517960011056e5aec&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_ AliEXpres Diymore-DC-DC Step-Down Button Adjustable Power Supply Module with LCD Display DC5-23V to […]
Turn an LED off when there is 3V input
Turn an LED off when there is 3V input Ask QuestionAsked 3 days agoActive todayViewed 171 times1 I have an LED (5mm, 2V 20mA) which is always on from a 12V supply. (I assume it […]
Simplest method to reliably detect small currents
Simplest method to reliably detect small currents Ask QuestionAsked yesterdayActive yesterdayViewed 77 times0This question was migrated from Raspberry Pi Stack Exchange because it can be answered on Electrical Engineering Stack Exchange. Migrated yesterday. I am trying to detect when […]
Raspberry Pi OS Update Kills Flash By Les Pounder a day ago Gone in a Flash Comments (3) (Image credit: Future) The end has finally come for Adobe Flash on the Raspberry Pi. What […]
WS2812B RGB LED Breakout 全彩驱动 彩灯 智能控制模块
1位 圆形 WS2812B RGB LED Breakout 全彩驱动 彩灯 智能控制模块 – ¥0.63https://item.taobao.com/item.htm?spm=a1z1r.7974869.0.0.269c3ad4BrZ0Hp&id=549301603151 WS2812B RGB LED Breakout 全彩驱动 彩灯 智能控制模块 直径12.5mm 主要特点 智能反接保护，电源反接不会损坏IC。 IC控制电路与LED点光源公用一个电源。 控制电路与RGB芯片集成在一个5050封装的元器件中，构成一个完整的外控像素点。 内置信号整形电路，任何一个像素点收到信号后经过波形整形再输出，保证线路波形畸变不会累加。 内置上电复位和掉电复位电路。 每个像素点的三基色颜色可实现256级亮度显示，完成16777216种颜色的全真色彩显示，扫描频率不低于400Hz/s。 串行级联接口，能通过一根信号线完成数据的接收与解码。 任意两点传传输距离在不超过5米时无需增加任何电路。 当刷新速率30帧/秒时，级联数不小于1024点。 数据发送速度可达800Kbps。 光的颜色高度一致，性价比高。 主要应用领域 […]
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