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教程

HC-SR501 人体感应灯与警报:两颗电位器与误触发全解

Posted on August 11, 2026 by MakerHub Helper
Cartoon of a large HC-SR501 PIR sensor with a white honeycomb dome on a royal blue board with two orange trimmers and a yellow jumper, casting a pale teal detection fan towards a small glowing red LED
11
Aug

HC-SR501 人体感应灯与警报的完整做法:PIR 为什么只看得见变化、两颗橙色电位器与 H/L 跳线各管什么、免焊接线表、把保持时间交给 Arduino 的程序,以及三大误触发的解法。

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教程

太阳能给 Arduino/ESP32 供电:TP4056 充 18650,夜里到底能撑多久

Posted on August 10, 2026August 11, 2026 by MakerHub Helper
Cartoon of a large white-framed solar panel tilted towards a yellow sun, its white cable running to a small royal-blue charger board beside a black holder with a pale blue 18650 cell
10
Aug

太阳能板只负责充电,真正供电的是 18650。这篇把 6W 5V 板 → TP4056 → 18650 → MT3608 升压这条链路算给你看:一天能收多少电、一夜能花多少、哪些接点必须焊,以及除了太阳能板本身,其余部件都不防水。

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教程

Blynk + ESP32 手机控制继电器:模板、Auth Token、接线与离线备援

Posted on August 10, 2026 by MakerHub Helper
Cartoon of a black smartphone with a large teal toggle switch sending dotted signal arcs to a red relay module with a blue relay cube, which switches a cream desk fan
10
Aug

手机通过 Blynk IoT 云端开关继电器:模板与 Datastream 设置、Auth Token 保密、三根杜邦线接法,以及断网时靠 BOOT 键的手动备援。

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教程

Arduino LCD1602 I2C 教程:接线、装库、地址扫描与白屏修复

Posted on August 9, 2026 by MakerHub Helper
Cartoon of a 16x2 LCD module with a glowing blue screen showing two rows of blank character cells, a black I2C backpack board peeking from behind its top edge
09
Aug

带 I2C 转接板的 LCD1602 只需四根线就能接上 Arduino Uno。这篇教程带你免焊接线、安装 LiquidCrystal_I2C 库、扫出 0x27/0x3F 真实地址,并修好白屏、方块和乱码。

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教程

Arduino TDS 水质检测仪 DIY:测自来水、滤水器和鱼缸

Posted on August 7, 2026August 16, 2026 by MakerHub Helper
Kartun probe TDS putih dengan hujung pin perak dicelup ke dalam akuarium kaca berisi ikan emas oren, dengan riak teal di permukaan air
07
Aug

把 TDS 探头经测量板接上 Arduino Uno,ppm 读数实时显示在 0.96 寸 OLED 上 —— 自来水、滤水器出水和鱼缸水几秒钟就能比出高下。含唯一一处必要焊接的完整教程、接线表、带中位数滤波的 sketch,以及读数的诚实解读法。

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教程

INA3221 怎么用:ESP32 同时监测三路电压和电流

Posted on August 6, 2026 by MakerHub Helper
Cartoon of a black INA3221 board with three chunky shunt resistors, a red, an orange and a yellow wire each looping through its own channel, and a small blue OLED module showing three white traces
06
Aug

一颗 INA3221 模块同时盯住三路电源:接线、I2C 地址、ESP32 + OLED 完整监测代码,以及并联接错会烧板的防错要点。

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教程

Raspberry Pi Pico / RP2040 入门:Arduino IDE 第一个程序与引脚图

Posted on August 6, 2026 by MakerHub Helper
Cartoon of fingers holding a tiny navy RP2040-Zero board with USB-C, cream buttons, yellow header pins and a rainbow-glowing LED, a black USB-C cable about to plug in and a small blue OLED module nearby
06
Aug

不用驱动、不用找 COM 口:按住 BOOT 插入 USB,RP2040-Zero 就挂载成 RPI-RP2 U 盘。从 Arduino IDE 设置、第一个 sketch 到 OLED 温度读数与引脚详解。

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教程

ZK-VR01 语音识别模块:用说话控制 Arduino 继电器

Posted on August 5, 2026 by MakerHub Helper
Cartoon of a deep-blue ZK-VR01 voice recognition board with a black microphone face and a round bare-silver speaker beside it, teal sound waves arriving at the microphone, and a red relay module with a sky-blue relay nearby
05
Aug

ZK-VR01 每识别一次都报两遍:串口脚 T 上的字节,和左边八个命令焊盘之一的电平变化。先用探测 sketch 读懂你手上这块板子,再用 Uno 把一闪而过的识别锁存成继电器的状态。

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教程

TCS230 颜色传感器:用 Arduino 辨色与分拣

Posted on August 5, 2026 by MakerHub Helper
Cartoon of a deep-blue TCS230 colour sensor board with a matte-black lens holder and four clear white LEDs shining a cone of light down onto bright red, green and blue plastic bricks
05
Aug

TCS230 不会直接给出颜色,它一次只输出一路频率。用 S2/S3 依次选中红、绿、蓝三组光电二极管,用 pulseIn() 计时,再靠白卡与黑卡校准并比较三路比例 —— 颜色是你的 sketch 算出来的,不是芯片报出来的。

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教程

Arduino 旋转编码器 + OLED 滚动菜单教程

Posted on August 4, 2026 by MakerHub Helper
Cartoon of a hand turning the bare silver shaft of a black KY-040 rotary encoder wired to a blue 0.96-inch OLED showing an abstract four-row menu, both connected to a blue Arduino Uno with a blue sensor shield stacked on it
04
Aug

把 KY-040 的 CLK 接到 D2,在中断里数格数,只有计数真的变了才重绘 OLED。附接线表、完整 sketch,以及菜单一格跳两项或四项的真正原因。

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About
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Latest Posts
  • 11
    Sep
    3–5V 迷你潜水泵怎么选、怎么驱动:流量、扬程与三条开关路
  • 11
    Sep
    RBT 遥控小车专题(六年级 / 中三):三种遥控方式怎么选
  • 10
    Sep
    ESP-01S WiFi 继电器模块怎么用:烧录、接线与选购
  • 10
    Sep
    micro:bit V2 做 RBT 专题:板上已经有什么,还要买什么
  • 09
    Sep
    鱼菜共生 RBT 专题:迷你系统怎么搭、水泵定时与报告
Recent Comments
  • 3–5V 迷你潜水泵怎么选、怎么驱动 on Arduino 自动浇花系统 DIY 教程(含代码)
  • 3–5V 迷你潜水泵怎么选、怎么驱动 on SIM800L 一直重启?电源掉电重启完整排查
  • 3–5V 迷你潜水泵怎么选、怎么驱动 on DRV8833 vs L298N:电池小车该选哪块电机驱动板
  • 3–5V 迷你潜水泵怎么选、怎么驱动 on 继电器模块 Arduino 接线与安全指南
  • RBT 遥控小车专题:三种遥控方式怎么选 on TP4056 怎么用:安全给 18650 充电,再升压到 5V
Categories
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At Makerhub Malaysia, our mission is to make your shopping experience for robotics and DIY electronics parts a breeze, whether you choose to shop online or visit our retail store. Discover a wide range of products for all your project needs and enjoy the excitement of our diverse selection. Visit us and unleash your creativity!

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