7Semi ESP32-C6 Mini Wifi Development Board Qwiic (DC-10116) The 7Semi ESP32-C6 Mini Wifi Development Board Qwiic is a compact and powerful wireless development board built around the modern ESP32-C6 chipset. It brings together fast Wi-Fi connectivity and flexible input/output options in a small Qwiic-compatible form factor, making it easy to use in projects that need smart communication and control. This board supports Wi-Fi 6 and Bluetooth/BLE connectivity, along with plenty of programmable pins for sensors, modules, and other components. With its Qwiic connector, you can plug in compatible accessories without soldering, simplifying prototyping and expanding your project quickly. Whether you’re building IoT devices, smart sensors, or remote controls, this ESP32-C6 board delivers reliable performance and effortless integration. Features: Powered by the ESP32-C6 chipset for modern wireless applications Supports Wi-Fi 6 for faster and more reliable connectivity Built-in Bluetooth / BLE support for short-range communication Qwiic connector for quick, solder-free sensor and module connections Compact form factor ideal for IoT and embedded projects Multiple GPIO pins for connecting sensors, actuators, and displays Compatible with popular development environments and libraries Suitable for smart devices, automation, and prototyping Pinouts

7Semi ESP32-DEVKIT-D – ESP32 WiFi BLE Development Board The 7Semi ESP32-DEVKIT-D is a compact and powerful development board built around the ESP32-WROOM-32D module, offering seamless Wi-Fi and Bluetooth connectivity for your IoT and embedded projects. With its dual-core processor, 4MB flash memory, PCB antenna, and robust wireless performance, it provides everything you need to prototype, build, and deploy connected devices. Whether you're experimenting with sensors or creating full-fledged smart home systems, this board delivers smooth performance and reliable communication. Designed with makers in mind, it features a breadboard-friendly layout, a CP2102 USB-to-UART bridge for easy flashing, and multiple GPIOs for hooking up peripherals. The USB-C interface further enhances convenience, making power delivery and programming simple and consistent. From rapid prototyping to advanced automation systems, this board gives you the flexibility and capability to build almost anything. Features: Built around the ESP32-WROOM-32D module featuring a dual-core processor and integrated WiFi + Bluetooth for efficient and scalable IoT performance. Includes a USB-C interface, allowing simplified programming, power, and communication with modern connectivity. Features a CP2102 USB-TTL adapter, ensuring stable and fast serial communication for debugging and flashing firmware. Provides multiple GPIO pins, supporting PWM, ADC, DAC, I2C, I2S, SPI and other interfaces for sensors, actuators, and peripherals. Offers flexible power input options including Micro USB, 5V, and 3.3V, making it adaptable to different project needs. Breadboard-friendly layout enables quick prototyping and experimentation without complex wiring. Ideal for IoT devices, smart home gadgets, wearables, robotics, automation systems, and DIY electronics. ESP32 Devkit Pinout Diagram:

7Semi ESP32-DEVKIT-E – ESP32 WiFi BLE Development Board with CP2102 USB-UART The 7Semi ESP32-DEVKIT-E is a compact and powerful development board built around the ESP32-WROOM-32E module, offering dual-core processing, onboard WiFi, and Bluetooth connectivity. Designed for makers, students, and IoT developers, it provides reliable wireless performance and plenty of GPIO pins to interface with sensors, displays, motors, and more. Whether you're experimenting with automation, creating smart devices, or building connected prototypes, this board gives you the flexibility and power needed to push your ideas further. With a CP2102 USB-to-UART bridge for easy programming, breadboard-friendly spacing, and multiple power input options (USB, 5V, or 3.3V), the ESP32-DEVKIT-E is built for smooth prototyping. It delivers a stable development experience with 4MB Flash, a PCB antenna, and support for protocols like SPI, I2C, I2S, ADC, DAC, and PWM - making it ideal for IoT, robotics, wearables, smart home projects, and low-power connected applications. Features: Powered by the ESP32-WROOM-32E module featuring a dual-core processor running at 160MHz for fast and efficient performance. Integrated WiFi and Bluetooth support enables seamless wireless connectivity for IoT and smart device applications. Includes multiple GPIO pins that allow easy interfacing with sensors, displays, motors, and other electronic components. Breadboard-friendly pin layout ensures easy prototyping and smooth development workflows. Equipped with a CP2102 USB-UART bridge for convenient programming and debugging via USB. Flexible power options including Micro USB, 5V, and 3.3V inputs to suit a wide variety of project needs. Built-in PCB antenna, 4MB flash memory, and compact, cost-effective design ideal for beginners and advanced developers alike. ESP32 Devkit Pinout Diagram:

7Semi ESP32-DEVKIT-IE ESP32 Development Board WiFi BLE The 7Semi ESP32-DEVKIT-IE is a feature-rich ESP32 WiFi BLE development board built around the powerful ESP32-WROVER-IE module. With its dual-core processor, 8MB Flash memory, and IPEX antenna connector for enhanced RF performance, this board is designed for smooth wireless communication and reliable IoT prototyping. Whether you're building connected devices, experimenting with sensors, or working on automation systems, the DEVKIT-IE gives you the flexibility and performance you need. It offers a breadboard-friendly layout, a CP2102 USB-to-UART bridge for easy programming, and multiple power options including Micro USB, 5V, and 3.3V. Developers can take advantage of the expandable GPIO pins and rich peripheral support (PWM, ADC, DAC, I2C, SPI, I2S, and more), making this board ideal for IoT projects, DIY electronics, and embedded system development. The combination of stable WiFi/BLE connectivity and robust ESP32 performance makes it a dependable choice for hobbyists and professionals alike. Features: Built around the ESP32-WROVER-IE module, offering dual-core processing power and reliable WiFi + Bluetooth connectivity. Includes 8MB Flash memory for more complex programs, data handling, and IoT applications. Equipped with an IPEX antenna connector, delivering improved RF performance and wider wireless range. Provides a CP2102 USB-to-UART bridge for simple, fast programming and debugging. Breadboard-friendly pin layout with extensive GPIO access for sensors, displays, actuators, and custom electronics. Supports multiple power inputs: Micro USB, 5V, or 3.3V, offering flexibility for various project setups. Ideal for beginners and professionals building IoT solutions, automation systems, wearables, and smart devices. Integrated PCB components and onboard buttons (EN & Boot) for smooth firmware upload and development workflows. ESP32 Devkit Pinout Diagram:

7Semi ESP32-DEVKIT-UE – ESP32 WiFi BLE Development Board with IPEX Antenna & USB-UART The 7Semi ESP32-DEVKIT-UE is a powerful and compact development board built around the ESP32-WROOM-32UE module, offering Wi-Fi and Bluetooth connectivity with an external IPEX antenna for enhanced wireless range and stability. Designed for smooth prototyping and dependable communication, it features a 160MHz dual-core processor, 4MB flash memory, and a CP2102 USB-to-UART bridge for effortless programming and debugging. The board includes user-friendly reset and boot buttons along with clearly marked GPIO pins, making it ideal for both beginners and experienced developers. Thanks to its breadboard-friendly layout, flexible power options (Micro USB, 5V, and 3.3V), and extensive peripheral support (PWM, ADC, DAC, I2C, SPI, I2S), this board supports a wide range of IoT, automation, and wireless applications. Whether you are building smart home devices, robotics systems, or sensor-based projects, the ESP32-DEVKIT-UE offers a reliable, high-performance platform to bring your ideas to life. Features: Offers a powerful 160MHz dual-core ESP32 processor that supports advanced IoT and automation workloads with smooth multitasking. Provides Wi-Fi and Bluetooth connectivity with an IPEX antenna connector for superior wireless range and signal stability. Includes multiple GPIO pins that allow you to interface with sensors, actuators, displays, and other modules with ease. Designed with a CP2102 USB-UART bridge for seamless programming and debugging directly from a PC or laptop. Features breadboard-friendly pin spacing, making prototyping fast, simple, and efficient for all skill levels. Supports multiple power input options including Micro USB, 5V, and 3.3V for flexible project integration. Comes with integrated reset and boot buttons, USB-UART circuitry, LDO regulator, and essential support electronics for reliable performance. ESP32 Devkit Pinout Diagram:

ESP32-S3 EC200U 4G LTE Cat-1 GNSS WiFi Bluetooth IoT Modem - 7Semi The 7Semi ESP32-S3 EC200U 4G LTE Cat-1 GNSS WiFi Bluetooth IoT Modem is a versatile and compact communication module designed for modern IoT applications. Powered by the ESP32-S3 and integrated with the EC200U LTE Cat-1 module, it offers seamless connectivity across 4G LTE, WiFi, Bluetooth, and GNSS (GPS, GLONASS, BeiDou). With strong processing power and multi-protocol support, this modem enables real-time data transfer and accurate location tracking—perfect for remote monitoring, smart metering, asset tracking, and connected automation systems. Its all-in-one design ensures efficient integration, reduces hardware complexity, and supports both low-power and high-performance IoT deployments.

7Semi ESP32-S3-Dev-BoardC-1-N8R2 WiFi, Bluetooth, Dual USB-C, RGB LED The 7Semi ESP32-S3-Dev-BoardC-1-N8R2 is a powerful and versatile development board built around the ESP32-S3-WROOM-1 module, offering integrated Wi-Fi and Bluetooth connectivity for modern IoT and embedded applications. It combines robust wireless performance with practical features like dual USB-C ports and a built-in RGB LED, making development easier and more enjoyable. Whether you’re prototyping smart home devices, wearables, or connected sensors, this board simplifies wireless integration and accelerates your project timeline. With wide compatibility across popular development environments and rich peripheral support, the ESP32-S3-Dev-BoardC-1 is ideal for students, hobbyists, and professionals seeking a reliable and feature-packed platform. Its dual USB-C interface provides convenient power and programming connections, while the on-board RGB LED adds visual feedback for debugging and creative projects. Designed for flexibility and performance, this development board streamlines experimentation and deployment of IoT, robotics, and networked embedded systems without steep learning curves. Features: Powered by Xtensa dual-core 32-bit LX7 processor for fast and efficient multitasking Integrated 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5.0 for IoT and BLE projects Generous memory with 8 MB Flash and 2 MB PSRAM for advanced applications Dual USB-C ports: USB-to-UART for programming and USB OTG for JTAG/debugging Onboard 5V to 3.3V LDO regulator ensures stable and reliable power delivery Fully broken-out GPIO headers for flexible interfacing with peripherals Built-in RGB LED and power-on LED for status indication and visual feedback

ACEBOTT Wireless Controller for Robot Car kit with Bluetooth Controller Expansion Pack The ACEBOTT Wireless Controller Expansion Pack is the perfect addition to your ESP32 robot car kit, providing intuitive wireless control for all your robotic projects. This Bluetooth controller features a user-friendly design with a responsive joystick and clearly labeled buttons that make controlling your robot car simple and precise. The controller is specially designed to work seamlessly with the ACEBOTT Explorer Series and other ESP32-based robotic projects, eliminating the need for complex programming or setup. Students can focus on learning robotics concepts rather than struggling with control mechanisms. Built with durability and convenience in mind, this wireless controller comes with a rechargeable 800mAh battery that provides up to 8 hours of continuous operation on a single charge. The controller connects via Bluetooth with a stable range of up to 10 meters, giving students freedom to control their robot cars from a comfortable distance. Its compact size makes it ideal for classroom environments, and the plug-and-play functionality means you can start using it immediately with compatible ESP32 robot kits. Whether you're a beginner learning basic movement controls or an advanced student working on complex robotic projects, this controller provides the reliable wireless connection you need for successful experimentation and learning. Features: Bluetooth wireless connectivity with up to 10 meters range Rechargeable 800mAh battery with 8 hours continuous operation Compatible with ACEBOTT Explorer Series and ESP32 robot projects Responsive joystick for precise directional control Simple button layout with clearly labeled functions Plug-and-play design requires no additional programming Compact size (12.5 x 8.5 x 3.5 cm) for easy handling and storage

DFRobot Bluno Beetle BLE V1.1 Based on Arduino Uno with Bluetooth 4.0 The Beetle BLE (formerly known as Bluno Beetle) is an ultra-compact miniature Arduino board based on the Arduino Uno with integrated Bluetooth 4.0 (BLE) functionality. This tiny powerhouse combines the familiar Arduino programming experience with wireless capabilities, making it perfect for DIY projects, educational purposes, and wearable electronics applications. The development board can be programmed through its micro USB port using the standard Arduino IDE without any extra libraries or drivers, and it also supports wireless programming via Bluetooth. With its V-shaped gold-plated I/O interfaces, you can easily connect wires without soldering, making it especially useful for creating smart bracelets, clothing, and other wearable devices. This versatile Bluetooth 4.0 microcontroller is fully compatible with Bluno series commands and procedures, supporting both Bluetooth HID and iBeacon modes. The Play Bluno app, available for both iOS and Android, gives you quick access to this tiny board for remote control and wireless program updates. Despite its small size, the Beetle BLE packs impressive features including an ATmega328 microcontroller running at 16MHz, four digital pins, four analog pins, two PWM outputs, and both UART and I2C interfaces. For students and makers on a budget, this compact BLE development board offers an affordable solution for creating wireless projects without sacrificing functionality. Whether you're building a smart device, working on an e-textile project, or teaching electronics, the Beetle BLE delivers big performance in a tiny package. Features ATmega328 microcontroller running at 16MHz for reliable performance Bluetooth 4.0 (BLE) with CC2540 chip and -93dBm sensitivity Maximum wireless range of 50 meters in open field conditions Operating voltage of 5V DC with input voltage less than 8V Four digital pins and four analog pins for connecting various components Two PWM outputs for motor control and other applications Includes UART, I2C, and micro USB interfaces for versatile connectivity

DFRobot Bluetooth 5.0 Audio Receiver Board The Bluetooth 5.0 Audio Receiver Board is a compact and cost-effective solution for adding wireless capabilities to your existing speakers. This versatile Bluetooth audio receiver allows you to easily transform any old speaker system into a modern wireless setup without complicated wiring or expensive replacements. The module features the latest Bluetooth 5.0 technology, ensuring stable connections and quality audio transmission up to 15 meters in visible range. With its automatic reconnect function, you won't need to repeatedly pair your devices - once connected, the module remembers your device for future use. The board can be powered either through a micro-USB connection or a 3.7V lithium battery, giving you flexibility in how you install and use this wireless speaker converter. What makes this Bluetooth 5.0 adapter particularly valuable is its dual functionality. Beyond serving as a wireless audio receiver, it can also function as a computer sound card. By simply short-circuiting the Sound Card pads on the back of the module and connecting it to a computer via USB cable, you can use it as a USB sound card module - perfect for computers with damaged audio outputs or for adding an extra audio interface. The operation is straightforward: after powering on, the blue indicator flashes as the module enters Bluetooth mode and plays an audio prompt while waiting for pairing. Your phone will detect the module as "BT5.0-Audio," and once connected, the indicator remains solid when idle and blinks slowly during music playback. Features: Power supply options: micro-USB or 3.7V lithium battery for flexible installation. Bluetooth version: 5.0 with automatic reconnect function for stable connections. Transmission distance: 15 meters in visible range for wide coverage. Audio decoding support: WAV, APE, FLAC, and MP3 formats. Dual functionality: works as both Bluetooth receiver and computer sound card. Clear connection status indication through LED light patterns. Compact size for easy integration into existing audio systems.