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Mericron | American-Made ESP32 Microcontrollers & IoT Modules
ITAR REGISTERED & SECURE US PRODUCTION

American-Engineered ESP32 Microchip Solutions

Mericron manufactures high-reliability ESP32 modules, developer kits, and custom IoT chip packages. Fully sovereign supply chain ensuring cryptographic security, rugged temperature tolerances, and zero backdoor vulnerabilities.

100% SOVEREIGN SUPPLY
ITAR REGISTERED FAB
-55+125 EXT TEMP RANGE
Mericron Silicon
OFFICIAL BRAND MERICRON SOC
INTEGRITY USA DESIGNED

Why Mericron Microcontrollers?

Sovereign Silicon. Extreme Environment Tolerant.

With microchip global chains constantly compromised, Mericron offers robust, US-based fab processes, ensuring strict IP shielding, cryptographic co-processors with physically unclonable functions (PUF), and zero dependencies on foreign silicon sourcing.

Cryptographic PUF Security

Every Mericron ESP32 features a hardware-integrated Physically Unclonable Function (PUF), providing a unique and immutable cryptographic fingerprint for absolute secure booting and device-to-cloud identity validation.

Industrial & Defense Temp

We deploy special ruggedized wafer-packaging to tolerate environmental extremes from -55°C space/military deployments to +125°C aerospace or industrial blast furnace monitors.

Guaranteed Supply Chain

Mericron manufactures inside US borders. Say goodbye to international port bottlenecks, tariff adjustments, or foreign export control laws blocking your IoT project's timeline.

Mericron Silicon Lines

Our Featured ESP32 Hardware

MODULE

Mericron M1 Core

IN STOCK

The ultra-stable baseline single-core ESP32 module designed to drop seamlessly into existing PCB footprints, providing a secure drop-in US replacement.

  • PROCESSOR: ESP32-S0WD
  • FLASH STORAGE: 4MB FLASH
  • GPIOS AVAILABLE: 32 I/O
  • CONNECTIVITY: 802.11BGN+BT4.2
$2.90/U (MOQ 100)
MODULE

Mericron M2-Secure

BESTSELLER

Mericron flagship dual-core ESP32-S3 module built with state-of-the-art secure enclave bootloader controls and massive storage capability.

  • PROCESSOR: ESP32-S3 (DUAL)
  • FLASH STORAGE: 16MB+8MB PSRAM
  • GPIOS AVAILABLE: 45 I/O
  • SECURITY: SHA,AES,PUF,OTP
$4.50/U (MOQ 100)
DEV KIT

Mericron S3-Explorer

PREMIUM

Fully integrated developer evaluation board boasting OLED screen integrations, multi-pin breakouts, secure hardware switches, and dual USB-C interfaces.

  • ONBOARD SOC: M2-SECURE
  • USB INTERFACE: DUAL USB-C
  • DISPLAY: 0.96" OLED
  • SENSORS: TEMP,HUMIDITY,BARO
$24.90/U
DEV KIT

M1-Sovereign Explorer

STABLE

An entry-level, cost-effective evaluation board geared towards massive academic programs and quick cellular IoT prototyping. Easy Arduino compatibility.

  • ONBOARD SOC: M1 CORE CLASSIC
  • USB INTERFACE: SINGLE USB-C
  • LED INDICATORS: 3X USER (RGB)
  • FOOTPRINT: NODEMCU PINOUT
$14.50/U
INDUSTRIAL SYSTEM

Mericron DIN-M2

IP67 RATED

Heavy-duty, DIN-Rail mountable ESP32 gateway built for high-voltage power grids, containing opto-isolated GPIO connectors and solid metal casing.

  • PROCESSOR: M2-SECURE CORE
  • INPUTS/OUTPUTS: 8X OPTO-ISO IN
  • RELAYS ATTACHED: 4X AC 250V/10A
  • CONNECTIVITY: WIFI, BLE, RS485
$149.00/GATEWAY
INDUSTRIAL SYSTEM

Mericron Air-Bridge

LONG RANGE

Telemetry unit bridging long-range Sub-1GHz radio channels directly into an ESP32 micro-engine. Designed for off-grid agriculture deployment.

  • MICROCONTROLLER: ESP32-S3 CORE
  • RADIO CORE: LORA RFM95W
  • ANTENNA MOUNT: N-TYPE FEMALE
  • BATTERY SYSTEM: SOLAR CHG LIPO
$189.00/UNIT

Design-To-Spec Tool

Interactive ESP32 Module Configurator

Build your high-reliability Mericron module right here. Adjust Flash size, operating range, antenna styles, and receive a customized RFQ quote to supply your manufacturing line.

1. Choose Base Architecture

2. Flash & PSRAM Memory Allocation

3. Antenna Implementation

4. Operating Temperature Range

Dynamic PCB Schematic

MERICRON M2-S3 CORE
4MB FLASH COMM TEMP
USA FAB ASSEMBLED
Selected Module: Mericron Custom Dual-Core
Temp Grade Spec: Commercial
Flash Allocated: 4 MB
Calculated MOQ: $2.95 / unit
Estimated Lot: $2,950.00
Firmware Native Ready

Zero Hardware Locking. Universal ESP-IDF Compliant.

Mericron silicon integrates seamlessly with the industry standard ESP-IDF framework, MicroPython, and Arduino IDE configurations. Explore real-world production firmware code ready to flash onto our boards.

mericron_wifi_wpa3.c
#include "esp_wifi.h"
#include "esp_log.h"
#include "nvs_flash.h"

void init_secure_wifi() {
    ESP_LOGI("MERICRON", "Initializing secure USA Fab Core WiFi...");
    nvs_flash_init();
    esp_netif_init();
    
    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
    esp_wifi_init(&cfg);
    
    wifi_config_t wifi_config = {
        .sta = {
            .ssid = "MericronSecureNet",
            .password = "SovereignSecurity2026",
            .threshold.authmode = WIFI_AUTH_WPA3_PSK,
            .pmf_cfg = {
                .required = true
            },
        },
    };
    
    esp_wifi_set_mode(WIFI_MODE_STA);
    esp_wifi_set_config(WIFI_IF_STA, &wifi_config);
    esp_wifi_start();
    ESP_LOGI("MERICRON", "Cryptographic connection established successfully.");
}
                        

Spec Validation Sheets

Full Mericron Chipset Comparison

Cross-compare operating frequency tolerances, hardware crypto parameters, and pricing categories across the entire product spectrum.

Mericron Chip Line CPU Architecture Internal Cryptography Temp Ranges Form Footprint Unit Range (USD)
Mericron M1 Core Single-Core LX6 @ 160MHz AES-128 Hardware Accelerators 0°C to +70°C Standard 38-Pin Module $2.90 - $3.50
Mericron M2-Secure Dual-Core LX7 @ 240MHz PUF Signature Key / Secure Enclave -40°C to +85°C Enhanced 44-Pin Surface Mount $4.50 - $5.20
Mericron S3-Secure Ultra Dual-Core LX7 @ 240MHz + ULP Dual Hardware Crypt / OTP Identity -55°C to +125°C Dual-Shielded Industrial Package $7.80 - $9.10
DIN-M2 Embedded Gateway Embedded Dual M2 Base Hardware Firewall & Protected OTP -40°C to +85°C Wall Mount IP54 Steel Frame $149.00 - $189.00

Corporate Desk

Request Technical Sampling & Quotes

Need evaluation chips for validation testing, space/flight envelope testing, or high-volume industrial projects? Fill out our form, and our Austin, Texas support desk will respond within 4 business hours.

Fabrication HQ: 8900 Technology Blvd, Austin, TX 78758
supply-chain@mericron-silicon.com
+1 (800) MERICRON-IOT
Texas Semiconductor Alliance ID Number: TX-90812-US
TX

Inquiry Specification Sheet

Configurator Active Specs:
Core: Dual-Core
Flash: 4MB
Temp: Commercial
Target Lot: 1000 Units Est Cost: $2,950.00