[Skip to content](#main-content) [esp.run](/) [Compare](/)[Modules](/modules/)[Dev boards](/devkits/) [EN](/series/esp32-c2/)[中文](/zh/series/esp32-c2/)[日本語](/ja/series/esp32-c2/)[한국어](/ko/series/esp32-c2/) [← All official models](/) # ESP32-C2 The smallest low-cost Wi-Fi entry A compact 120 MHz RISC-V MCU with 2.4 GHz Wi-Fi 4 and Bluetooth LE. AvailableVerified 2026-10-11 ## Best for - Cost-sensitive simple connected devices ## Avoid for - Native USB, Thread or memory-heavy applications ## CPU & memory Architecture RISC-V Core(s) 1 Maximum clock 120 MHz On-chip SRAM 272 KB ROM 576 KB Flash In-package by part PSRAM Not confirmed Packages QFN24 4×4 mm ## Wireless Wi-Fi 2.4 GHz Wi-Fi 4 Wi-Fi max rate 72.2 Mbps Bluetooth Bluetooth 5 LE IEEE 802.15.4 No ## Interfaces USB OTG No USB Serial/JTAG No Ethernet MAC No Camera No Display No SD/MMC No Maximum GPIO 20 ## Security Secure boot Yes Flash encryption Yes Crypto accelerators ECC · SHA · RNG TEE / APM No ## Analog & power ADC channels 5 ADC resolution 12-bit Touch sensing No Touch channels None Supply voltage 3.0–3.6 V ULP core None Deep-sleep current 5 µA ## Lifecycle & timing Announced Not confirmed Mass production Not confirmed NRND Not confirmed EOL Not confirmed ## Official modules Every official ESP32 base module, grouped by series. Status follows the ordering codes; "Mixed" means they differ. Module Status Form factor Antenna Flash PSRAM ESP8684-MINI-1 Available MINI PCB Not confirmed Not confirmed ESP8684-MINI-1U Available MINI Connector Not confirmed Not confirmed ESP8684-WROOM-01C Available WROOM PCB Not confirmed Not confirmed ESP8684-WROOM-02C Available WROOM PCB Not confirmed Not confirmed ESP8684-WROOM-02UC Available WROOM Connector Not confirmed Not confirmed ESP8684-WROOM-03 Available WROOM PCB Not confirmed Not confirmed ESP8684-WROOM-04C Available WROOM PCB Not confirmed Not confirmed ESP8684-WROOM-05 Available WROOM PCB Not confirmed Not confirmed ESP8684-WROOM-06C Available WROOM PCB Not confirmed Not confirmed ESP8684-WROOM-07 Available WROOM PCB Not confirmed Not confirmed ## Official development boards Official Espressif development boards, including discontinued boards from the per-series EOL lists. Board Status Board type ESP8684-DevKitC-02 Available DevKitC ESP8684-DevKitM-1 Available DevKitM Where to buy ## Official page and distributor search These are search and official pages, not live stock or price quotes. Confirm the exact ordering code with the seller. [Espressif product page ↗](https://www.espressif.com/en/products/socs/esp32-c2)[Official datasheet ↗](https://documentation.espressif.com/esp8684_datasheet_en.html)[Authorized distributors ↗](https://www.espressif.com/en/contact-us/distributors)[Search LCSC ↗](https://www.lcsc.com/search?q=ESP32-C2)[Search Digi-Key ↗](https://www.digikey.com/en/products/result?keywords=ESP32-C2)[Search Mouser ↗](https://www.mouser.com/c/?q=ESP32-C2) ## Official chip ordering codes Each row is an official SoC or SiP. Buy links search that exact part name. Part Status Package Flash PSRAM Buy ESP8684H2X Available QFN24 See datasheet None confirmed [Search LCSC](https://www.lcsc.com/search?q=ESP8684H2X)[Search Digi-Key](https://www.digikey.com/en/products/result?keywords=ESP8684H2X)[Search Mouser](https://www.mouser.com/c/?q=ESP8684H2X) ESP8684H4X Available QFN24 See datasheet None confirmed [Search LCSC](https://www.lcsc.com/search?q=ESP8684H4X)[Search Digi-Key](https://www.digikey.com/en/products/result?keywords=ESP8684H4X)[Search Mouser](https://www.mouser.com/c/?q=ESP8684H4X) Chip package ## Chip pin map Package top view from the official series datasheet. Filter pins or open the accessible table. This is a reference map, not an electrical simulator. All pinsPower pinsGPIO pinsAnalog pinsJTAG pinsUART pins Pin mapPin list QFN24, top viewESP8684 Series Datasheet v2.3QFN24ANTVDDA3P3VDDA3P3GPIO0GPIO1GPIO2CHIP\_ENGPIO3MTMSMTDIVDD3P3\_RTCMTCKMTDOGPIO8GPIO9GPIO10VDD3P3\_CPUGPIO18U0RXDU0TXDVDDAXTAL\_NXTAL\_PVDDAGND Pin details Select a pin to inspect its functions and warnings. Complete accessible pin table Physical pin Label Functions Direction Warnings 1 ANT ANT Input — 2 VDDA3P3 VDDA3P3 Power — 3 VDDA3P3 VDDA3P3 Power — 4 GPIO0 GPIO0, GPIO Matrix Bidirectional — 5 GPIO1 GPIO1, GPIO Matrix Bidirectional — 6 GPIO2 GPIO2, GPIO Matrix Bidirectional — 7 CHIP\_EN CHIP\_EN Input Enable pin. Do not leave it floating; follow the datasheet power-up circuit. 8 GPIO3 GPIO3, GPIO Matrix Bidirectional — 9 MTMS MTMS Bidirectional JTAG and boot-related function. Verify the part-specific reset configuration. 10 MTDI MTDI Bidirectional JTAG and boot-related function. Verify the part-specific reset configuration. 11 VDD3P3\_RTC VDD3P3\_RTC Power — 12 MTCK MTCK Bidirectional JTAG and boot-related function. Verify the part-specific reset configuration. 13 MTDO MTDO Bidirectional JTAG and boot-related function. Verify the part-specific reset configuration. 14 GPIO8 GPIO8, GPIO Matrix Bidirectional — 15 GPIO9 GPIO9, GPIO Matrix Bidirectional — 16 GPIO10 GPIO10, GPIO Matrix Bidirectional — 17 VDD3P3\_CPU VDD3P3\_CPU Power — 18 GPIO18 GPIO18, GPIO Matrix Bidirectional — 19 U0RXD U0RXD Bidirectional — 20 U0TXD U0TXD Bidirectional — 21 VDDA VDDA Power — 22 XTAL\_N XTAL\_N Input — 23 XTAL\_P XTAL\_P Input — 24 VDDA VDDA Power — 25 GND GND Power — ## Official evidence [Official source: ESP32-C2 product page ↗](https://www.espressif.com/en/products/socs/esp32-c2)[Datasheet: ESP8684 Series Datasheet ↗](https://documentation.espressif.com/esp8684_datasheet_en.html) esp.run is an independent guide and is not affiliated with Espressif Systems. Independent guideData verified 2026-10-11 [Official sources ↗](https://www.espressif.com/en/products/socs)