Espressif Systems was founded in 2008, is headquartered in Shanghai and is a world-leading provider of Wi-Fi and Bluetooth-enabled microcontrollers and SoCs. The company is known for its high-performance, energy-efficient and cost-effective solutions, designed specifically for IoT, industrial and smart device applications. With a strong focus on open-source software, security and scalability, Espressif helps developers and companies bring modern, connected products to market quickly.
Product overview
Espressif Systems offers highly integrated, energy-efficient wireless SoCs for Wi-Fi, Bluetooth/BLE and IEEE 802.15.4, designed specifically for IoT applications. In addition, Espressif provides fully certified Wi-Fi and BT/BLE modules that significantly reduce RF design and certification effort. DevKits and evaluation boards are also available for rapid development.
ESP32-P series
ESP32-P4: High-performance 32-bit RISC-V MCUs with a strong processing focus (e.g. HMI, edge AI, image/voice processing), numerous interfaces and extensive security features.
ESP32-S series
ESP32-S3 series: Dual-core SoC with 2.4 GHz Wi-Fi and Bluetooth LE, AI/ML acceleration and extensive peripherals – ideal for AIoT applications such as voice and image recognition. Modules: WROOM or MINI / 4–16 MB Flash / PCB antenna or IPEX connector / optional PSRAM
ESP32-S2 series: Single-core Wi-Fi SoC (without Bluetooth) with USB-OTG, touch and sensor interfaces, optimised for low-power and secure IoT devices. Modules: WROOM or MINI / 4–16 MB Flash / PCB antenna or IPEX connector / optional PSRAM (depending on variant)
ESP32-C series
ESP32-C6 series: RISC-V SoC with Wi-Fi 6, Bluetooth 5 LE and IEEE 802.15.4 (Matter/Thread/Zigbee) for modern IoT applications. Modules: WROOM or MINI / 4–8 MB Flash / PCB antenna or IPEX connector / optional PSRAM
ESP32-C61 series: Wi-Fi 6 and Bluetooth LE RISC-V MCU with integrated Flash/PSRAM support and advanced security features, e.g. TEE. Modules: WROOM or MINI / 4–8 MB Flash / PCB antenna or IPEX connector / optional PSRAM
ESP32-C5 series: RISC-V MCUs with dual-band Wi-Fi 6 (2.4/5 GHz) plus Bluetooth LE and 802.15.4 for applications requiring higher data rates and flexibility. Modules: WROOM / 4–8 MB Flash / PCB antenna or IPEX connector / optional PSRAM
ESP32-C3 series: Cost-effective RISC-V Wi-Fi 4 and Bluetooth LE MCUs as the modern successor to the ESP8266, with significantly improved security. Modules: WROOM or MINI / 4–16 MB Flash / PCB antenna or IPEX connector / optional PSRAM
ESP32-C2 series: Very compact, cost-optimised RISC-V MCUs with Wi-Fi 4 and Bluetooth LE for simple, high-volume IoT designs. Modules: WROOM or MINI / 2–4 MB Flash / PCB antenna
ESP32-H series
ESP32-H2 series: RISC-V MCU with Bluetooth LE and IEEE 802.15.4 for Matter, Thread and Zigbee end devices as well as border router solutions. Modules: WROOM or MINI / approx. 4 MB Flash / PCB antenna or IPEX connector
ESP32 series (Classic): Dual-core SoCs with Wi-Fi and Bluetooth Classic + LE for versatile IoT and industrial applications. Modules: WROOM and MINI / 4-16 MB Flash /
ESP8266 series: Proven Wi-Fi SoCs for simple and cost-sensitive IoT applications. Modules: WROOM / 4-16 MB Flash / PCB antenna
Coming soon:
ESP32-E22: New tri-band Wi-Fi 6E SoC with 2.4 GHz, 5 GHz and 6 GHz support, integrated Bluetooth Classic and Bluetooth LE 5.4 and a dual-core RISC-V processor for high throughput and powerful wireless connectivity in demanding networks.
ESP32-H21: Ultra-low-power SoC with a single-core RISC-V CPU, Bluetooth LE and IEEE 802.15.4 (Zigbee/Thread), designed for battery-powered IoT nodes, wearables and energy-efficient sensor applications.
ESP32-H4: Enhanced dual-core RISC-V SoC with support for Bluetooth 5.4 LE and IEEE 802.15.4 and a rich set of peripherals, suitable for wireless mesh systems, sensing, LE Audio devices or smart home products.
System and software solutions
Beyond the hardware, Espressif provides comprehensive system and software solutions. These include IoT frameworks, cloud connectivity, Matter, Thread and Zigbee stacks, security features and extensive development tools.
Applications
Espressif Systems components are used in many areas – wherever wireless connectivity, low power consumption and flexible computing power are required:
IoT & Smart Home: Smart sensors, actuators, lighting, thermostats, sockets, voice assistants and Matter/Thread devices.
Industrial & IIoT: Condition monitoring, wireless sensing, gateways, remote maintenance and industrial controls.
Consumer Electronics: Wearables, household appliances, audio and voice control, remote controls and connected devices.
Building Automation: Access control, heating and lighting control, energy management and security solutions.
Mesh & Low-Power Networks: Zigbee, Thread and Matter end devices based on IEEE 802.15.4.
Prototyping & Development: Development boards, rapid prototyping, maker projects and pre-series development.
