{"id":106,"date":"2026-04-16T19:43:32","date_gmt":"2026-04-16T19:43:32","guid":{"rendered":"http:\/\/localhost\/projectbd\/?post_type=product&p=106"},"modified":"2026-04-16T19:43:32","modified_gmt":"2026-04-16T19:43:32","slug":"esp-01-esp8266-serial-wifi-module-compact-wifi-connectivity-for-iot-projects","status":"publish","type":"product","link":"https:\/\/projectbd.store\/index.php\/product\/esp-01-esp8266-serial-wifi-module-compact-wifi-connectivity-for-iot-projects\/","title":{"rendered":"ESP-01 ESP8266 Serial WiFi Module \u2013 Compact WiFi Connectivity for IoT Projects"},"content":{"rendered":"

The\u00a0ESP-01<\/strong>\u00a0is a compact and low-cost WiFi module that uses the\u00a0ESP8266<\/strong>\u00a0chip, designed to provide WiFi connectivity for microcontrollers in Internet of Things (IoT) applications. The module features a built-in TCP\/IP stack and can be used to connect a microcontroller (like Arduino) to a WiFi network. It is an ideal solution for adding WiFi to a variety of embedded applications, including home automation, remote control, and sensor data transmission over the internet.<\/p>\n

Specifications:<\/strong><\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Specification<\/strong><\/th>\nDetails<\/strong><\/th>\n<\/tr>\n<\/thead>\n
Chipset<\/strong><\/td>\nESP8266<\/td>\n<\/tr>\n
Operating Voltage<\/strong><\/td>\n3.3V (requires a stable 3.3V regulator)<\/td>\n<\/tr>\n
Wireless Standard<\/strong><\/td>\nWiFi (802.11 b\/g\/n)<\/td>\n<\/tr>\n
Data Rate<\/strong><\/td>\nUp to 72.2 Mbps<\/td>\n<\/tr>\n
WiFi Security<\/strong><\/td>\nWEP, WPA, WPA2<\/td>\n<\/tr>\n
GPIO Pins<\/strong><\/td>\n2 GPIO pins (Note: Some pins have alternate functions)<\/td>\n<\/tr>\n
Flash Memory<\/strong><\/td>\n512KB – 1MB<\/td>\n<\/tr>\n
Antenna<\/strong><\/td>\nOn-board PCB antenna<\/td>\n<\/tr>\n
Communication Interface<\/strong><\/td>\nUART (Serial)<\/td>\n<\/tr>\n
Operating Temperature<\/strong><\/td>\n-40\u00b0C to 125\u00b0C<\/td>\n<\/tr>\n
Dimensions<\/strong><\/td>\n24.8mm x 14.3mm x 4.5mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

Key Features:<\/strong><\/p>\n

    \n
  • Compact and Lightweight:<\/strong>\u00a0Small form factor, ideal for embedding in projects with limited space.<\/li>\n
  • Low Power Consumption:<\/strong>\u00a0Consumes minimal power, making it suitable for battery-powered applications.<\/li>\n
  • Built-in TCP\/IP Stack:<\/strong>\u00a0Allows easy communication with remote servers and cloud platforms.<\/li>\n
  • Serial Communication:<\/strong>\u00a0Easy integration with microcontrollers using UART (serial) communication.<\/li>\n
  • Low Cost:<\/strong>\u00a0Affordable solution for adding WiFi to your embedded systems.<\/li>\n
  • Wide Range of Applications:<\/strong>\u00a0Can be used for home automation, IoT sensors, remote control, and more.<\/li>\n<\/ul>\n

    Applications:<\/strong><\/p>\n

      \n
    • Home Automation Systems:<\/strong>\u00a0Remotely control devices like lights, fans, and appliances over WiFi.<\/li>\n
    • IoT Projects:<\/strong>\u00a0Connect sensors to the internet for real-time data monitoring and remote access.<\/li>\n
    • Wireless Communication:<\/strong>\u00a0Use the ESP-01 to create wireless communication between microcontrollers and remote devices.<\/li>\n
    • Smart Devices:<\/strong>\u00a0Integrate into smart home gadgets like thermostats, door locks, and security cameras.<\/li>\n
    • Remote Control Systems:<\/strong>\u00a0Build WiFi-based remotes to control various devices from anywhere.<\/li>\n<\/ul>\n

      Usage Tips:<\/strong><\/p>\n

        \n
      1. Powering the Module:<\/strong>\u00a0The ESP-01 requires 3.3V, and it is crucial to use a stable voltage regulator, as it is not 5V tolerant. Ensure the power supply can provide enough current (around 300mA).<\/li>\n
      2. Connecting to Microcontroller:<\/strong>\u00a0Use a level shifter or a 3.3V to 5V logic converter for the communication between the ESP-01 and a 5V logic microcontroller (e.g., Arduino).<\/li>\n
      3. Flash and Program:<\/strong>\u00a0Use the\u00a0AT commands<\/strong>\u00a0or a custom firmware (e.g., NodeMCU or Arduino code) to program the ESP-01 for specific applications.<\/li>\n
      4. WiFi Configuration:<\/strong>\u00a0Connect the ESP-01 to a WiFi network by sending AT commands to set up the WiFi SSID and password.<\/li>\n
      5. Use with Arduino IDE:<\/strong>\u00a0For easier programming, you can use the\u00a0Arduino IDE<\/strong>\u00a0to program the ESP-01 by selecting the ESP8266 board from the board manager and uploading code via the serial connection.<\/li>\n<\/ol>\n

        The\u00a0ESP-01<\/strong>\u00a0ESP8266 module is an excellent choice for simple IoT projects that require WiFi connectivity. It is inexpensive, easy to use, and versatile, enabling a wide variety of IoT applications for hobbyists and professionals alike.<\/p>\n","protected":false},"excerpt":{"rendered":"

        The\u00a0ESP-01\u00a0is a compact and low-cost WiFi module that uses the\u00a0ESP8266\u00a0chip, designed to provide WiFi connectivity for microcontrollers in Internet of […]<\/p>\n","protected":false},"featured_media":109,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[30],"product_cat":[19],"product_tag":[],"class_list":["post-106","product","type-product","status-publish","has-post-thumbnail","product_brand-china","product_cat-microcontrollers-boards","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/product\/106","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/comments?post=106"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/media\/109"}],"wp:attachment":[{"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/media?parent=106"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/product_brand?post=106"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/product_cat?post=106"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/projectbd.store\/index.php\/wp-json\/wp\/v2\/product_tag?post=106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}