Espressif ESP32 S2 Mini 1 & S2 Mini 1U Module
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Espressif ESP32 S2 Mini 1 & S2 Mini 1U Module
The ESP32-S2-MINI-1 and ESP32-S2-MINI-1U are versatile Wi-Fi MCU modules with powerful features and a wide range of peripheral interfaces, suitable for applications such as wearable electronics and smart home devices. The ESP32-S2-MINI-1 uses an onboard PCB antenna, while the ESP32-S2-MINI-1U connects to an external antenna via a connector.
Features
CPU and On-chip Memory
- Built-in ESP32-S2FH4 or ESP32-S2FN4R2 chip, Xtensa® single-core 32-bit LX7 microprocessor, supporting clock frequencies up to 240 MHz
- 128 KB ROM
- 320 KB SRAM
- 16 KB RTC SRAM
- 4 MB embedded flash
- 2 MB embedded PSRAM (only for ESP32-S2FN4R2 chip)
Wi-Fi
- 802.11 b/g/n
- Data rates up to 150 Mbps in 802.11n mode
- Frame aggregation (TX/RX A-MPDU, RX A-MSDU)
- 0.4 µs guard interval
- Operating channel center frequency range: 2412 ~ 2484 MHz
Peripherals
- GPIO, SPI, UART, I2C, I2S, LCD interface, Camera interface, IR, pulse counter, LED PWM, TWAI® (ISO 11898-1 compliant, i.e., CAN 2.0 specification), full-speed USB OTG, ADC, DAC, touch sensor, temperature sensor
Module Integrated Components
- 40 MHz integrated crystal oscillator
Antenna Options
- Onboard PCB antenna (ESP32-S2-MINI-1)
- External antenna via a connector (ESP32-S2-MINI-1U)
Operating Conditions
- Operating voltage/power supply voltage: 3.0 ~ 3.6 V
- Operating temperature:
- 85°C version: –40 ~ 85°C
- 105°C version: –40 ~ 105°C
Certifications
- RF Certifications: Refer to certificates
- Environmental Certifications: RoHS/REACH
Testing
- HTOL, HTSL, uHAST, TCT, ESD
The ESP32-S2-MINI-1 and ESP32-S2-MINI-1U modules feature the following specifications:
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ESP32-S2-MINI-1:
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Embedded Chip: ESP32-S2FH4 or ESP32-S2FN4R2
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Dimensions: 15.4 × 20 × 2.4 mm
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Temperature Rating: 65°C
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Flash Memory: 4 MB (built-in)
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PSRAM: N/A or 2 MB
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Antenna: PCB onboard antenna
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Development Board: ESP32-S2-DevKitM-1
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Package: 2D Footprint
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ESP32-S2-MINI-1U:
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Embedded Chip: ESP32-S2FH4 or ESP32-S2FN4R2
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Dimensions: 15.4 × 15.4 × 2.4 mm
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Temperature Rating: 65°C
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Flash Memory: 4 MB (built-in)
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PSRAM: N/A or 2 MB
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Antenna: IPEX connector for external antenna
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Development Board: ESP32-S2-DevKitM-1U
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Package: 2D Footprint
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1. General Shipping Information
- We provide premium shipping methods with a tracking number for each order.
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We can ship all in-stock orders within 1 business day as your order has been confirmed.
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All items are inspected before dispatch and are carefully hand-packed.
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With standard courier practice, you need to check the contents of the parcel before signing for your goods. Otherwise, we will not be held responsible for any damage that may have occurred in transit.
2. Shipping Options for Germany and EU* countries
(For Products in Munich Warehouse)
2.1 Shipping options for an order value of up to €30 inside Germany or €50 inside the EU*
Shipping Options:
Shipping Options | Germany | EU* |
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Deutsche Post |
€3.5 Arrive in 3-4 Business Days |
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DHL Paket |
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2.2 Free shipping options for an order value of above €30 inside Germany or €50 inside the EU*:
Free Shipping Options | Germany | EU* |
---|---|---|
Deutsche Post |
Free Above €30 | Free Above €50 |
DHL Paket |
+ €2 for Above €30 / Free Above €60 | + €8 for Above €50 / Free Above €80 |
DHL Express |
+ €10 for Above €30 | + €60 for Above €50 |
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Certain EU Countries are not included in our EU Zone definition: United Kingdom (excluding Ireland), Switzerland, Liechtenstein, Vatican City, Albania, Belarus, Norway, Ukraine, and Iceland. For the above countries, the International Shipping Rule applies.
2.3 Shipping Options for International Countries:
(via Deutsche Post or YunExpress)
Order Amount | International |
---|---|
€0 - €15 | €8 |
€15 - €30 | €7 |
€30 - €50 | €6 |
€50 and above | €4 |
Important Notice:
- Please verify the inventory location on the product page before placing your order to confirm delivery timeframes.
- For products in the Shenzhen warehouse, we will typically first ship the products from the Shenzhen warehouse to our Munich warehouse, which will take around 1.5 weeks. After we receive the shipment in Munich, we will send the items to you. We will only arrange YunExpress shipping from Shenzhen for orders with products in the Shenzhen warehouse worth more than €50.
- If you place an order with products from both Munich and Shenzhen warehouses, we will first ship the products in the Munich warehouse, and then send the remaining products to you when we receive them from Shenzhen.
3. International Warehouse
3.1 German Warehouse
3.2 Chinese Warehouse
4. Customs and Taxes
4.1 How are customs handled by OpenELAB for import or export?
4.2 How is VAT charged when the Customer places an order from OpenELAB?
4.3 What kind of fee will be charged except VAT?
Effective Date: March 27, 2025
At OpenELAB, we are committed to providing accurate product descriptions and delivering high-quality products. If you experience any issues with your purchase, please notify us within 60 days of the shipment date.
1. Warranty Disclaimer
Unless explicitly stated in a specific agreement or purchase order, OpenELAB makes no warranties—express or implied—regarding the fitness, suitability, or merchantability of any product for a particular purpose or special use.
2. Warranty Policy
Warranty Period
The standard warranty period for products sold by OpenELAB is 12 months from the date of delivery.
Under this warranty, OpenELAB will make a reasonable effort to repair or replace products free of charge if defects are due to issues with raw materials, design, or manufacturing.
If the defect qualifies under this policy but falls outside the covered scope, reasonable charges may apply for repair or replacement.
After the warranty period, support may still be available at a reasonable fee.
Warranty Exclusions
The warranty does not apply in the following cases:
- The product is beyond the 12-month warranty period.
- Damage due to misuse, improper maintenance or storage, or failure to follow the user guide or manual.
- Issues caused by Force Majeure events (e.g., natural disasters, war, legal changes, etc.).
- Unauthorized repair attempts by the customer.
- The product is not defective but has been opened and is non-returnable by policy.
3. Returns & Refunds
If you're not satisfied with your purchase, you may be eligible for a return or exchange:
- Return for Refund: Within 15 days of receipt (unopened).
- Return for Replacement: Within 30 days of receipt (damaged or defective).
- Exchange Window: Up to 30 days from receipt.
Please email us at info@openelab.io for a return authorization before sending anything back.
Return Conditions
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Shipping & Fees
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- Refunds may be subject to additional shipping fees unless the return is due to our error.
- A flat €8 shipping fee will be deducted for returned items that originally qualified for free shipping.
Payment Platform Fees
For refunds processed through third-party platforms such as PayPal or Braintree, a standard 3.5% service fee may be deducted to cover payment processing costs.