ESP-01S DHT11 Temperature Humidity Sensor module This ESP-01S DHT11 Module is based on the ESP8266 and DHT11 temperature & humidity sensor, Which is a little node you can put anywhere you like to use in your smart home IoT project. ESP8266 collection environment temperature and humidity upload to the server. This module is mainly controlled by ESP8266-01/ESP-01S, and DHT11 is a temperature and humidity sensor. The temperature and humidity in the ESP acquisition environment are uploaded to the server. Support 3.7v-12V DC power supply (3.7V lithium battery). Can be used as a temperature and humidity collection node for smart homes or IoT projects. Note: This module doesn't come with ESP8266 Pinout: Pinout Of ESP-01S DHT11 Temperature Humidity Sensor Module

ESP-12 D1 Mini V2 Board This is a D1 Mini V2 NodeMcu 4M Bytes Lua WIFI Internet Of Things Development Board Based ESP8266, it is a mini WIFI board based on ESP -8266EX. 11 digital input/output pins, and all pins have interrupt/PWM/I2C/one-wire supported (except D0) 1 analog input(3.3V max input) and a Micro USB connection. The board is small in size and integrates with the Arduino platform, making it easy to develop WiFi-based projects. The development board features WiFi-SoC ESP8266 and is made for fast Internet-of-Things (IoT) prototyping. It is flashed with the latest firmware version and can be set up and programmed right away with the onboard micro USB connection. With only a few lines of code, the NodeMCU Dev Kit connects to your local network and is ready for control by other network members like computers and smartphones. The d1 mini is an ESP8266 development board that is compact, versatile and very easy to use with the Arduino IDE. Pinout: Applications Wifi network applications Transfer out data/information from other applications without wire

ESP01 ESP8266 Wireless Transceiver Module Hey, have you seen the ESP-01 ESP8266 WiFi Module? It’s a simple way to connect any microcontroller to WiFi since it has everything built in. You can run your own programs on it or let it handle the Wi-Fi connection for another device. It’s got its own processing power and GPIO pins, so you can easily connect sensors or other gadgets with hardly any extra parts. Plus, it’s really small and takes up almost no space. To use it, you’ll need a USB to 3.3V TTL converter and a 3.3V power supply—just avoid using 5V devices because this one works on 3.3V. It also comes with features like VoIP support and self-calibrating RF, meaning it works in all conditions without needing any extra RF components. Super easy to get started! Warning: The ESP8266 works at 3.3V. Connecting directly to 5V will burn it! You have to use voltage drivers or logic shifters. Pinout: Features: Supports Wi-Fi Direct (P2P) and can function as a soft access point Integrated TCP/IP protocol stack for easier network communication Supports SDIO 1.1/2.0, SPI, and UART interfaces Low-power 32-bit CPU suitable as an application processor High integration with TR switch, balun, LNA, power amplifier, and matching network Fast wake-up and packet transmission in under 2ms Compact design for easy integration into various projects Applications: A wireless location-sensing device Wireless positioning system beacon Smart socket/intelligent light Mesh Network Industrial wireless control devices

ESP12E ESP8266 Wireless Transceiver Module The ESP12E ESP8266 is a highly integrated chip designed for the needs of a new connected world. This esp module offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or offload all Wi-Fi networking functions from another application processor. It is completely addressable over SPI and UART protocols allowing you to connect your sensors or project directly to it through its GPIOs. ESP8266 is a low-cost Wi-Fi chip with a full TCP/IP stack and MCU (Micro Controller Unit) capability. ESP8266 Serial Wifi Wireless Transceiver Module is a self-contained SOC with an integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network. ESP8266 Serial Wifi Wireless Transceiver Module is capable of either hosting an application or offloading all Wi-Fi networking functions from another application processor. The ESP8266 has powerful onboard processing and storage capabilities that allow it to be integrated with the sensors and other application-specific devices through its GPIOs with minimal development up-front and minimal loading during runtime. Its high degree of on-chip integration allows for minimal external circuitry, and the entire solution, including the front-end module, is designed to occupy a minimal PCB area. ESP12 Pinouts: ESP12E ESP8266 Wireless Transceiver Pinout Features: WS2812 Led on board. 802.11 b/g/n Wi-Fi Direct (P2P), soft-AP Integrated TCP/IP protocol stack Integrated TR switch, balun, LNA, power amplifier, and matching network Integrated PLL, regulators, DCXO, and power management units +19.5dBm output power in 802.11b mode Power down leakage current of <10uA An integrated low-power 32-bit CPU could be used as an application processor SDIO 1.1 / 2.0, SPI, UART STBC, 1×1 MIMO, 2×1 MIMO A-MPDU & A-MSDU aggregation & 0.4ms guard interval Wake up and transmit packets in < 2ms Standby power consumption of < 1.0mW (DTIM3) Access Point and Station Modes. Applications: Home Automation Smart Plugs and Lights Industrial Wireless Control Baby Monitors IP Cameras Wearable Electronics Security ID Tags

ESP12F ESP8266 Amica NodeMCU Wifi Module CH340 A great set of tools to develop ESP8266. NodeMCU is built based on the mature ESP8266 technology to take advantage of the abundant resources available on the web. NodeMCU has ESP -12-based serial WiFi integrated onboard to provide GPIO, PWM, ADC, I2C, and 1-WIRE resources at your fingertips, built-in USB-TTL serial with super reliable industrial strength CH340 for superior stability on all supported platforms. ESP8266 is a highly integrated chip designed for the needs of a new connected world. It offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or offload all Wi-Fi networking functions from another application processor.ESP8266 has powerful onboard processing and storage capabilities that allow it to be integrated with the sensors and other application-specific devices through its GPIOs with minimal development up-front and minimal loading during run-time. Its high degree of on-chip integration allows for minimal external circuitry, and the entire solution, including the front-end module, is designed to occupy a minimal PCB area. NodeMCU is an open-source IoT platform. It includes firmware that runs on the ESP8266 Wi-Fi SoC from Espressif Systems, and hardware that is based on the ESP-12 module. The term “NodeMCU” by default refers to the firmware rather than the dev kits. The firmware uses the Embedded C scripting language. Add Internet to your next project with an adorable, bite-sized WiFi microcontroller, at a price you like! The ESP8266 processor from Espressif is an 80 MHz microcontroller with a full WiFi front-end (both as a client and access point) and TCP/IP stack with DNS support as well. Difference Between ESP12E and ESP12F: Features ESP12E ESP12F Frequency Range 2.412 - 2.484 GHz 80 MHz and 160 MHz PWM Yes Yes ADC 1 channel 10-bit ADC Wireless Network Type STA / AP / STA + AP STA/AP/STA+AP Security Type WEP / WPA-PSK / WPA2-PSK WPA/WPA2 Operating Voltage 3.3V 3.3V Onboard PCB Antenna Yes Yes Operating Temperature -40 C to +125 C 40 C to +125 C Output Power 72.2Mbps: 16.5dBm typical & 11b: 20.5dBm typical 72.2Mbps: 15dBm typical & 11b: 18.5dBm typical The Major difference between ESP12E and ESP12F is that ESP12E has Relatively poor transmission power than ESP12F. Applications: To set up wireless communication between two applications Mobile phone-controlled robots Home automation System IoT Projects Data Sharing Weather station Wireless control systems Security ID tags

ESP14 ESP8266 Serial Wireless Transceiver WiFi Module AP+STA The ESP-14 WiFi Module Combines ESP8266 with STM8S MCU with 802.11b/g/n and can be widely used in smart home and the Internet of Things, for the user's connected devices to the Wi-Fi wireless network. The module is built with a powerful STM8003 chip, all the pins are connected to the serial port and ESP8266 serial port connected, the user can write STM8 program, through the AT command to control the ESP8266 to achieve the vast majority of smart home and WIFI features. ESP 8266 is a highly integrated chip designed for the needs of a new connected world. It offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or offloading all Wi-Fi networking functions from another application processor. ESP8266 has powerful onboard processing and storage capabilities that allow it to be integrated with the sensors and other application-specific devices through its GPIOs with minimal development up-front and minimal loading during runtime. Its high degree of on-chip integration allows for minimal external circuitry, and the entire solution, including the front-end module, is designed to occupy minimal PCB area. The range of operation of this module is almost up to 3.7km! That means it can connect to a server over 3 km away! Great for robot applications that need a remote control. ESP14 Pinouts: ESP-14 Pin Diagram

ESP32 (38 Pin) WiFi + Bluetooth NodeMCU-32 Development Board The ESP32 development board promises to revolutionize the Internet of Things (IoT), creating a powerful and reliable platform for low-cost, highly integrated applications. Featuring an open-source operating system, built-in Wi-Fi, and Bluetooth support, along with two high-speed processors - one dedicated to communication tasks such as packet processing while another handles application code execution. It also supports various industry standard formats including the JTAG debug interface so you can optimize your coding designs without worrying about compatibility issues. Additionally, it comes preloaded with advanced features like PWM outputs & multiple ADCs which makes this perfect for any IoT project that looks at making life easier by automating device operations through remote control services from anywhere in the world within seconds!! So are you ready to supercharge your IoT, home automation, and robotics projects? Look no further than the Iotcart ESP32 38 Pin Development Board. This versatile board is equipped with integrated WiFi and Bluetooth, ensuring seamless connectivity with other devices, all at your fingertips. Featuring an impressive 38 pins, including analog and power pins, it offers a broad spectrum of input and output options, empowering you to bring your innovative ideas to life. Thanks to its Arduino compatibility, programming becomes a breeze, making it suitable for both beginners and experienced developers. What sets this board apart is its sensor compatibility. It harmoniously works with a variety of sensors and actuators, allowing you to explore an array of project possibilities. Crafted with the latest ESP-WROOM-32 module, this board guarantees robust performance and unwavering reliability. But that's not all. The Iotcart ESP32 38-Pin Development Board is here to simplify your development journey. Whether you're embarking on your first project or you're a seasoned developer, this board is designed with you in mind. It's your key to unlocking the world of IoT, home automation, and robotics. Price: Buy the Iotcart ESP32 38 Pin Development Board at the best price, right here at Iotcart. read more: ALL YOU NEED TO KNOW ABOUT ESP32 Key Features: Delivering exceptional performance at an affordable price point. It's packed with advanced features and supports LWIP protocol and FreeRTOS. With a small volume, it seamlessly integrates into various products. Facilitates easy development through Lua programming. Supports three modes - Access Point (AP), Station (STA), and AP+STA. Pin Diagram of Node MCU 38 Pins: ESP32 to 8266 Comparison: ESP32 is a powerful device that runs through a 32-bit dual-core processor CPU with a clock speed of 160MHz to 240MHz while ESP8266 is a single-core CPU with a clock speed of around 80MHz. As we know the ESP32 has a higher speed compared to ESP8266 it consumes more power. ESP32 has more than 16 GPIO pins along with UART, I2C, I2S, ADC, DAC, and TWAI pins. ESP8266 also comes with 16 General Purpose Input Output (GPIO) Pins and other GPIO, UART, I2C, I2S and ADC Pins. ESP32 comes with Bluetooth and WIFI together onboard whereas the ESP8266 comes with only WIFI. ESP8266 vs. ESP32 Features ESP8266 ESP32 Microcontroller Xtensa Single-core 32-bit L106 Xtensa Dual-Core 32-bit LX6 with 600 DMIPS Frequency (MHz) 80 160 to 240 Bluetooth No Bluetooth 4.2 and BLE SRAM No Yes GPIO Pins 17 (11 Usable Pins) 38 (32 Usable Pins) PWM 8 Channels 16 Channels ADC 10-bit 12-bit TWAI No Yes Power Consumption Approx. 70.5 mA Approx. 80~90mA Working Temperature -40ºC to 125ºC -40ºC to 125ºC Price Comparatively lesser than ESP32 Comparatively higher than ESP8266 Applications: Universal low-power IoT sensor hub Home automation. Mesh network. Industrial wireless control. Sensor networks. Smart Socket. Wi-Fi speech recognition device. Configuring ESP32 as a Web Server | IoT Project

ESP32 (38 Pin) WiFi + Bluetooth NodeMCU-32 Development Board This is an ESP32 development board. It features WiFi+Bluetooth connectivity onboard and keys. ESP 32 Development board is based on the ESP WROOM32 WIFI + BLE Module. It’s a low-footprint, minimal system development board powered by the latest ESP-WROOM-32 module and can be easily inserted into a solderless breadboard . This N odeMCU ESP32 contains the entire basic support circuitry for the ESP-WROOM-32, including the USB-UART bridge, reset- and boot-mode buttons, LDO regulator, and a micro-USB connector. Every important GPIO is available to the developer. ESP32 is already integrated with an antenna and RF balun, power amplifier, low-noise amplifiers, filters, and power management module. The entire solution takes up the least amount of printed circuit board area. This N odeMCU ESP32 board is used with 2.4 GHz dual-mode Wi-Fi and Bluetooth chips by TSMC 40nm low power technology, power and RF properties best, which is safe, reliable, and scalable to a variety of applications. Pin Diagram of Node MCU 38 Pins: ESP32 Pin Description ESP32 to 8266 Comparison: ESP32 is a powerful device that runs through a 32 bit dual-core processor CPU with a clock speed of 160MHz to 240MHz while ESP8266 is a single core CPU with a clock speed of around 80MHz. As we know the ESP32 has higher speed compared to ESP8266 it consumes more power. ESP8266 comes with 16 General Purpose Input Output (GPIO) Pins and other GPIO, UART, I2C, I2S and ADC Pins. While ESP32 has more than 16 GPIO pins along with UART, I2C, I2S, ADC, DAC and CAN Pins. ESP32 comes with Bluetooth and WIFI together onboard whereas the ESP8266 comes with only WIFI. ESP8266 vs. ESP32 Features ESP8266 ESP32 Microcontroller Xtensa Single-core 32-bit L106 Xtensa Dual-Core 32-bit LX6 with 600 DMIPS Frequency (MHz) 80 160 to 240 Bluetooth No Bluetooth 4.2 and BLE SRAM No Yes GPIO Pins 17 (11 Usable Pins) 38 (32 Usable Pins) PWM 8 Channels 16 Channels ADC 10-bit 12-bit CAN No Yes Power Consumption Approx. 70.5 mA Approx. 80~90mA Working Temperature -40ºC to 125ºC -40ºC to 125ºC Price Comparatively lesser than ESP32 Comparatively higher than ESP8266 Applications: Universal low-power IoT sensor hub Home automation. Mesh network. Industrial wireless control. Sensor networks. Smart Socket. Wi-Fi speech recognition device.

ESP32 & ESP8266 USB Programmer Rev1.0 With Auto Boot If you want to simplify your development and debugging tasks, the ESP32 & ESP8266 USB Programmer Rev1.0 with Auto Boot is here to help. This handy tool makes it easy to download firmware and handle serial communication on ESP32 platforms. All you need is a single USB cable to connect to your PC, and it automatically recognizes the board and its functions. It’s designed to make your setup smoother and more efficient, so you can focus on what you do best. Pinout details: GND 3.3V DC (100mA Max.) RXD TXD Io0/Boot/DTR EN/Reset/RTS

ESP32 & ESP8266 USB Type C Programmer with USB to UART Converter -7Semi The 7Semi ESP32 & ESP8266 USB Type-C Programmer is a powerful and reliable USB-to-UART converter designed to streamline development with ESP32 and ESP8266 microcontrollers. Featuring the high-performance CP2102 bridge, it delivers stable and high-speed data transfers for smooth programming and debugging. This programmer supports both 3.3V and 5V output levels, making it compatible with a wide range of development boards and IoT components. Real-time LED indicators offer clear visual feedback on power and data transmission, while dedicated Reset and Boot buttons simplify the programming process. With a standard 2.54mm pitch header and an included unsoldered header, the 7Semi programmer is a flexible and essential tool for any embedded systems developer or electronics hobbyist. Features: USB-C Interface: Provides fast, plug-and-play interface for reliable data transfer. The CP2102 USB to UART Bridge: Allows for dependable, high-speed connection between the programmer and the microcontroller. LED Indicators: The integrated Power, RX, and TX LEDs enable real-time monitoring of connection and data transfer. Reset and Boot Switches: Dedicated switches improve programming control, making development easier and more efficient. 3.3V and 5V output compatibility: Supports both voltage levels, providing flexibility for various components and microcontroller boards. Standard 2.54mm Pitch Header: All signals are accessible via a standard 2.54mm pitch header, with an unsoldered header provided for bespoke configurations.