Arduino - Juan Tech Blog

<style>/*<meta name='google-adsense-platform-account' content='ca-host-pub-1556223355139109'/>
<meta name='google-adsense-platform-domain' content='blogspot.com'/>

<!-- data-ad-client=ca-pub-7634877819425351 -->

<link rel="stylesheet" href="https://fonts.googleapis.com/css2?display=swap&family=Roboto"></head><body>*/</style>

Arduino , CH340

How to Fix CH340 USB-to-Serial Driver 3.8 version issue.

ESP-01S and ESP USB Programmer with CH340 chip. Recently, I started working with the ESP-01S module and CH340 ESP programmer. However, whe...

Juan 21 Jun, 2024

Arduino , Arduino Project , DIY

Arduino + ESP8266 + RC522 RFID Module to save RM 100 replacement fee for my RFID access card.

ESP8266 connects with RC522 RFID module. My RFID card just not working anymore. We passed the access card to the management and let them fi...

Juan 24 May, 2023

28BYJ-48 , Arduino , Arduino Project

Try out 28BYJ-48 Stepper Motor with ULN2003 Driver Board Using Arduino and AccelStepper.

Try out 28BYJ-48 Stepper Motor with ULN2003 Driver Board Using Arduino and ...

Juan 17 Sep, 2022

Arduino , Arduino Project , ESP8266

MC-38 Magnetic Contact Switch Sensor: Here is How to Use It with ESP8266 and Arduino.

ESP8266 and MC-38 Magnetic Contact Switch Sensor How to use MC-38 m...

Juan 10 Jun, 2022

Arduino , Arduino Project , ESP-01S

DIY a YouTube Subscriber Counter with ESP-01S (ESP8266), SSD1306 0.96 inch 128x64 I2C OLED Display, and Arduino IDE.

YouTube Subscriber Counter I have a Mandarin-speaking ...

Juan 26 Apr, 2022

Arduino , Arduino IDE , Arduino Tutorial

Debug Arduino Sketch with WebSerial for ESP8266 and ESP32: Web-based Serial Monitor

Debug Arduino Sketch with WebSerial for ESP8266 and ESP32: Web-based Serial Monitor What is WebSerial? I use the Serial.print() a ...

Juan 14 Mar, 2022

apple homekit , Arduino , Arduino Project

Integrate MQTT Temperature and Humidity Sensor with Arduino to Home Assistant and Apple HomeKit.

My last article made an MQTT Temperature and Humidity Sensor that can communicate with other MQTT clients. This time I will ma...

Juan 5 Mar, 2022

Arduino , Arduino Project , DHT22

DIY an MQTT Temperature and Humidity Sensor with Arduino, ESP-01S(ESP8266) and DHT22.

ESP-01S and DHT22 Last year, I made a temperature and humidity sensor that can integrate with Apple HomeKit . I find a way to f...

Juan 22 Feb, 2022

<style>/*
<script type="text/javascript" src="https://www.blogger.com/static/v1/widgets/745881458-widgets.js"></script>
<script type='text/javascript'>
window['__wavt'] = 'AOuZoY5CxnAD9y-QCwa2lscdDsfQ5M4NpA:1735003641360';_WidgetManager._Init('//www.blogger.com/rearrange?blogID\x3d3375948501212463359','//juanstechblog.blogspot.com/search/label/Arduino','3375948501212463359');
_WidgetManager._SetDataContext([{'name': 'blog', 'data': {'blogId': '3375948501212463359', 'title': 'Juan Tech Blog', 'url': 'https://juanstechblog.blogspot.com/search/label/Arduino', 'canonicalUrl': 'https://juanstechblog.blogspot.com/search/label/Arduino', 'homepageUrl': 'https://juanstechblog.blogspot.com/', 'searchUrl': 'https://juanstechblog.blogspot.com/search', 'canonicalHomepageUrl': 'https://juanstechblog.blogspot.com/', 'blogspotFaviconUrl': 'https://juanstechblog.blogspot.com/favicon.ico', 'bloggerUrl': 'https://www.blogger.com', 'hasCustomDomain': false, 'httpsEnabled': true, 'enabledCommentProfileImages': true, 'gPlusViewType': 'FILTERED_POSTMOD', 'adultContent': false, 'analyticsAccountNumber': '', 'encoding': 'UTF-8', 'locale': 'en', 'localeUnderscoreDelimited': 'en', 'languageDirection': 'ltr', 'isPrivate': false, 'isMobile': false, 'isMobileRequest': false, 'mobileClass': '', 'isPrivateBlog': false, 'isDynamicViewsAvailable': true, 'feedLinks': '\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22Juan Tech Blog - Atom\x22 href\x3d\x22https://juanstechblog.blogspot.com/feeds/posts/default\x22 /\x3e\n\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/rss+xml\x22 title\x3d\x22Juan Tech Blog - RSS\x22 href\x3d\x22https://juanstechblog.blogspot.com/feeds/posts/default?alt\x3drss\x22 /\x3e\n\x3clink rel\x3d\x22service.post\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22Juan Tech Blog - Atom\x22 href\x3d\x22https://www.blogger.com/feeds/3375948501212463359/posts/default\x22 /\x3e\n', 'meTag': '\x3clink rel\x3d\x22me\x22 href\x3d\x22https://www.blogger.com/profile/08313211103459532773\x22 /\x3e\n', 'adsenseClientId': 'ca-pub-7634877819425351', 'adsenseHostId': 'ca-host-pub-1556223355139109', 'adsenseHasAds': true, 'adsenseAutoAds': false, 'boqCommentIframeForm': true, 'loginRedirectParam': '', 'view': '', 'dynamicViewsCommentsSrc': '//www.blogblog.com/dynamicviews/4224c15c4e7c9321/js/comments.js', 'dynamicViewsScriptSrc': '//www.blogblog.com/dynamicviews/361ce9cf7a112c52', 'plusOneApiSrc': 'https://apis.google.com/js/platform.js', 'disableGComments': true, 'interstitialAccepted': false, 'sharing': {'platforms': [{'name': 'Get link', 'key': 'link', 'shareMessage': 'Get link', 'target': ''}, {'name': 'Facebook', 'key': 'facebook', 'shareMessage': 'Share to Facebook', 'target': 'facebook'}, {'name': 'BlogThis!', 'key': 'blogThis', 'shareMessage': 'BlogThis!', 'target': 'blog'}, {'name': 'X', 'key': 'twitter', 'shareMessage': 'Share to X', 'target': 'twitter'}, {'name': 'Pinterest', 'key': 'pinterest', 'shareMessage': 'Share to Pinterest', 'target': 'pinterest'}, {'name': 'Email', 'key': 'email', 'shareMessage': 'Email', 'target': 'email'}], 'disableGooglePlus': true, 'googlePlusShareButtonWidth': 0, 'googlePlusBootstrap': '\x3cscript type\x3d\x22text/javascript\x22\x3ewindow.___gcfg \x3d {\x27lang\x27: \x27en\x27};\x3c/script\x3e'}, 'hasCustomJumpLinkMessage': false, 'jumpLinkMessage': 'Read more', 'pageType': 'index', 'searchLabel': 'Arduino', 'pageName': 'Arduino', 'pageTitle': 'Juan Tech Blog: Arduino', 'metaDescription': 'IoT, Smart Home, Hackintosh, and Coding.'}}, {'name': 'features', 'data': {}}, {'name': 'messages', 'data': {'edit': 'Edit', 'linkCopiedToClipboard': 'Link copied to clipboard!', 'ok': 'Ok', 'postLink': 'Post Link'}}, {'name': 'template', 'data': {'name': 'custom', 'localizedName': 'Custom', 'isResponsive': true, 'isAlternateRendering': false, 'isCustom': true}}, {'name': 'view', 'data': {'classic': {'name': 'classic', 'url': '?view\x3dclassic'}, 'flipcard': {'name': 'flipcard', 'url': '?view\x3dflipcard'}, 'magazine': {'name': 'magazine', 'url': '?view\x3dmagazine'}, 'mosaic': {'name': 'mosaic', 'url': '?view\x3dmosaic'}, 'sidebar': {'name': 'sidebar', 'url': '?view\x3dsidebar'}, 'snapshot': {'name': 'snapshot', 'url': '?view\x3dsnapshot'}, 'timeslide': {'name': 'timeslide', 'url': '?view\x3dtimeslide'}, 'isMobile': false, 'title': 'Juan Tech Blog', 'description': 'IoT, Smart Home, Hackintosh, and Coding.', 'url': 'https://juanstechblog.blogspot.com/search/label/Arduino', 'type': 'feed', 'isSingleItem': false, 'isMultipleItems': true, 'isError': false, 'isPage': false, 'isPost': false, 'isHomepage': false, 'isArchive': false, 'isSearch': true, 'isLabelSearch': true, 'search': {'label': 'Arduino', 'resultsMessage': 'Showing posts with the label Arduino', 'resultsMessageHtml': 'Showing posts with the label \x3cspan class\x3d\x27search-label\x27\x3eArduino\x3c/span\x3e'}}}, {'name': 'widgets', 'data': [{'title': 'Icons, Dark, Search', 'type': 'LinkList', 'sectionId': 'header-main', 'id': 'LinkList10'}, {'title': 'Menu', 'type': 'LinkList', 'sectionId': 'header-main', 'id': 'LinkList11'}, {'type': 'AdSense', 'sectionId': 'before-blog', 'id': 'AdSense1'}, {'title': 'Featured Post', 'type': 'FeaturedPost', 'sectionId': 'before-blog', 'id': 'FeaturedPost1', 'postId': '4708214162743283019'}, {'type': 'AdSense', 'sectionId': 'before-post', 'id': 'AdSense2'}, {'title': 'Blog Posts', 'type': 'Blog', 'sectionId': 'blog-post', 'id': 'Blog1', 'posts': [{'id': '4708214162743283019', 'title': 'How to Fix CH340 USB-to-Serial Driver 3.8 version issue.', 'featuredImage': 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhd2n5duIJbluaK3VZ-tLEPuVipRRKav8RPHhT2dY0RO_F8tb0c6UUD5-UghxFixe0xFxFJsLBivhU19R8pua1_w27Keofx0pGJcH3ehKtQHbYMpmhowp4ZTyF-xzeRmjlf9apbUCyAgSzLCu_O_VGk3K833MluQ3VWB3gc34ElG9sQQz7sjKbJbms5icqZ/w640-h480/esp-01s-and-esp-ch340-usb-programmer.webp', 'showInlineAds': false}, {'id': '5506616533013381824', 'title': 'Arduino + ESP8266 + RC522 RFID Module to save RM 100 replacement fee for my RFID access card.', 'featuredImage': 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2VTXG-aEdf1nY-PfWyyUhFnwvXB3GjWmQ4u48dgZFNm8hrxrbzlMn1sagfcFwepa9P5r896h3R9Sd0v1mJGV7FFzJV-omcSvsCpaHsRa8CuXZqGReNCIMtrgcW4PbH3J0I1i5eN5GLFW20tD3BXagAbSPYkUiQl0XnRlBqZwFKQ9XkyPK3P96HuTG8g/w640-h361/ESP8266%20connect%20with%20RC522%20RFID%20Module.webp', 'showInlineAds': false}, {'id': '2108119534132890178', 'title': 'Try out 28BYJ-48 Stepper Motor with ULN2003 Driver Board Using Arduino and AccelStepper.', 'featuredImage': 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqTPXKJSfffjFpnPX2IHdQn0V8BqAaMovdc7DSel6MuczPmJbQiE-0IdlovRBq3cgo4Ovx1vp4R-WDiPjnjubKr1fRuIhd7zbpaUcP7BcJXL8NsiEsk5wV1gRQIblSl60kUv93EEeibK_TYchxMNcUpwgt1qkutmPRpQPzuLFRxxQvEhf-a94JbbVdGw/w640-h361/Try%2028BYJ-48%20Stepper%20Motor%20with%20ULN2003%20Driver%20Board%20using%20Arduino%20and%20AccelStepper.webp', 'showInlineAds': false}, {'id': '8573514538531802882', 'title': 'MC-38 Magnetic Contact Switch Sensor: Here is How to Use It with ESP8266 and Arduino.', 'featuredImage': 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLHEPtobQu892s3PfxoYtKpCzWRjGdFLVVzvtxNUdyxylbcnd4K3-5H6ELaZdyFZ8fnv9txDrtEvI3ux3nMJuP6QkgH5AgsfN_Q8415WOMLa2PgdUm259aJekRoJWUjUey1Quz04pr_GdoM66Hp0MlSWumx0QuZOIGNvw6wWGUI5fjlUWqIQ96kO-idw/w640-h362/ESP8266%20and%20MC-38%20Magnetic%20Contact%20Switch%20Sensor.webp', 'showInlineAds': false}, {'id': '8693606912375844850', 'title': 'DIY a YouTube Subscriber Counter with ESP-01S (ESP8266), SSD1306 0.96 inch 128x64 I2C OLED Display, and Arduino IDE.', 'featuredImage': 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRl8UA5_bA0taeC3NVBQMOk9MN-YROL5UJZPYQPdAUhfZn28cvVLxmyWm1UmHAmb3T6WIFhQz7zmwkt-t9BY_AWCHAC1J_ttjCmk6TJ0m-5VkjVIx6cp6U8VYlhWHyhZ88PxebQKOC4--ONeG5tarf8tIhLsB7HHu4rTTL-q5Ox2pTMyX2tig9uXkHyQ/w640-h359/IMG_0923.webp', 'showInlineAds': false}, {'id': '7919982828249834088', 'title': 'Debug Arduino Sketch with WebSerial for ESP8266 and ESP32: Web-based Serial Monitor', 'featuredImage': 'https://blogger.googleusercontent.com/img/a/AVvXsEgLqBUUcgolqLGeA2gWagSxaQzEdh9RwFumZiqpXTUKCYmO1GtoKSF65A8_qIEeuln5o11W0OJYRU-QSIchEiT4zSsUGO9ntJt6wXPoJB5fjbPf7Ahd8ABeYm4ylHVkINtGqFaH8b2VXBY19QSez4UWfalu_WGa5qlUVuiVcp9pIu3bl-4x2CG0kRl9bA\x3dw640-h360', 'showInlineAds': false}, {'id': '8239692489350340767', 'title': 'Integrate MQTT Temperature and Humidity Sensor with Arduino to Home Assistant and Apple HomeKit.', 'featuredImage': 'https://blogger.googleusercontent.com/img/a/AVvXsEjHWxwaxeBSiXA5UDs35SCFTeoWT9i6ZVaJGua_DH9k61BIRT0Ey9AdMAc2SVilIK_wqQvULlA6h9oxSd_HSTy26G4wZccobXGNeeYNsONeEiCL-3hjvMYT8_qPhUG7YaWNoKDAzHnpgfxNKPxgnWEs5W-fFnRjU2P1LyOvxWZ6h4DbH1EQBXVqc6zOQw\x3dw640-h360', 'showInlineAds': false}, {'id': '8820617525214991197', 'title': 'DIY an MQTT Temperature and Humidity Sensor with Arduino, ESP-01S(ESP8266) and DHT22.', 'featuredImage': 'https://blogger.googleusercontent.com/img/a/AVvXsEjE1AFZFLk9ZukaoIgywhY6y0kFqBBIwdWdN_7lm0rGIX2NjnS_lIXuNKCnExNQHCaUKsFwIHwmas0MqPIlzDgiFPufMoklrVx_lftXEUvZwmURe12Y5Yr2thzA9HYNGS1optvPsePuc3vQ-Ho3SaYhP0WoJLo-yoeJvqlDzEfRaRCacwJoAtSKb6lTLQ\x3dw640-h361', 'showInlineAds': false}], 'footerBylines': [{'regionName': 'footer1', 'items': [{'name': 'author', 'label': 'Posted by'}, {'name': 'timestamp', 'label': 'd MMM, yyyy'}, {'name': 'comments', 'label': 'Comment'}, {'name': 'icons', 'label': ''}, {'name': 'share', 'label': ''}]}, {'regionName': 'footer2', 'items': [{'name': 'labels', 'label': 'Labels:'}]}], 'allBylineItems': [{'name': 'author', 'label': 'Posted by'}, {'name': 'timestamp', 'label': 'd MMM, yyyy'}, {'name': 'comments', 'label': 'Comment'}, {'name': 'icons', 'label': ''}, {'name': 'share', 'label': ''}, {'name': 'labels', 'label': 'Labels:'}]}, {'type': 'AdSense', 'sectionId': 'ads-post', 'id': 'AdSense4'}, {'title': '#You may also like', 'type': 'HTML', 'sectionId': 'ads-post', 'id': 'HTML15'}, {'type': 'AdSense', 'sectionId': 'ads-post', 'id': 'AdSense3'}, {'type': 'AdSense', 'sectionId': 'after-blog', 'id': 'AdSense5'}, {'title': 'Ko-fi donation', 'type': 'HTML', 'sectionId': 'sidebar-static', 'id': 'HTML2'}, {'title': 'Popular Posts', 'type': 'PopularPosts', 'sectionId': 'sidebar-static', 'id': 'PopularPosts10', 'posts': [{'title': 'Try out to Power the ESP-01S(ESP8266) with Rechargeable NiMH batteries and HT7833 voltage regulator. ', 'id': 9186790354837484966}, {'title': 'Arduino + ESP8266 + RC522 RFID Module to save RM 100 replacement fee for my RFID access card.', 'id': 5506616533013381824}, {'title': 'How to Enable SSH on Linux.', 'id': 9174637366157432029}, {'title': 'Build AirPlay 2 audio receiver on a Linux computer with Shairport-sync.', 'id': 8352921639544765016}, {'title': 'Buy an Orange Pi Zero 3 instead of Raspberry Pi 4.', 'id': 1546838927871482456}]}, {'title': '#Recent Post', 'type': 'HTML', 'sectionId': 'sidebar-static', 'id': 'HTML19'}, {'title': '#Advertisment', 'type': 'HTML', 'sectionId': 'sidebar-static', 'id': 'HTML1'}, {'type': 'AdSense', 'sectionId': 'sidebar-sticky', 'id': 'AdSense6'}, {'title': 'Copyright', 'type': 'HTML', 'sectionId': 'copyright', 'id': 'HTML23'}, {'title': 'SVG Icons', 'type': 'HTML', 'sectionId': 'jet-options', 'id': 'HTML24'}]}]);
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList10', 'header-main', document.getElementById('LinkList10'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList11', 'header-main', document.getElementById('LinkList11'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_AdSenseView', new _WidgetInfo('AdSense1', 'before-blog', document.getElementById('AdSense1'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_FeaturedPostView', new _WidgetInfo('FeaturedPost1', 'before-blog', document.getElementById('FeaturedPost1'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_AdSenseView', new _WidgetInfo('AdSense2', 'before-post', document.getElementById('AdSense2'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_BlogView', new _WidgetInfo('Blog1', 'blog-post', document.getElementById('Blog1'), {'cmtInteractionsEnabled': false, 'navMessage': 'Showing posts with label \x3cb\x3eArduino\x3c/b\x3e. \x3ca href\x3d\x22https://juanstechblog.blogspot.com/\x22\x3eShow all posts\x3c/a\x3e', 'lightboxEnabled': true, 'lightboxModuleUrl': 'https://www.blogger.com/static/v1/jsbin/3846405171-lbx.js', 'lightboxCssUrl': 'https://www.blogger.com/static/v1/v-css/1964470060-lightbox_bundle.css'}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_AdSenseView', new _WidgetInfo('AdSense4', 'ads-post', document.getElementById('AdSense4'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML15', 'ads-post', document.getElementById('HTML15'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_AdSenseView', new _WidgetInfo('AdSense3', 'ads-post', document.getElementById('AdSense3'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_AdSenseView', new _WidgetInfo('AdSense5', 'after-blog', document.getElementById('AdSense5'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML2', 'sidebar-static', document.getElementById('HTML2'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_PopularPostsView', new _WidgetInfo('PopularPosts10', 'sidebar-static', document.getElementById('PopularPosts10'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML19', 'sidebar-static', document.getElementById('HTML19'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML1', 'sidebar-static', document.getElementById('HTML1'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_AdSenseView', new _WidgetInfo('AdSense6', 'sidebar-sticky', document.getElementById('AdSense6'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML23', 'copyright', document.getElementById('HTML23'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML24', 'jet-options', document.getElementById('HTML24'), {}, 'displayModeFull'));
</script>
</body>*/</style>