ESP32S Reset & Teardown (FCC ID 2AHMR-ESP32S)
Factory reset and internal photos for Tuya OEM ESP32S. Tuya / Smart Life smart plug.
January 15, 2026
•
1 min read
Before you buy the Tuya OEM ESP32S, check what's inside.
This is a versatile ESP32-S module from Ai-Thinker, commonly used by Tuya OEMs for various IoT devices. It supports both Wi-Fi and Bluetooth connectivity and is designed for low-power, embedded applications.
⚠️ NOTE: Ensure correct voltage is supplied (3.0V - 3.6V) and polarity when connecting to a power source.
Quick Specs
- Manufacturer: Tuya OEM
- Model: ESP32S
- Protocol: WiFi
- Chipset: ESP32
- Ecosystem: Tuya / Smart Life
- App: Smart Life
🔧 Geek Corner (Flashing Info)
- Chipset: ESP32-S
- Flashable: ✅ Yes
- Info: The ESP32-S is a well-documented and widely supported chip for custom firmware like Tasmota or ESPHome.
User Manual
Scanned pages from the official user manual:
External Photos
Photos of the device exterior:
Internal Photos
Teardown photos showing the PCB and components:
Verdict
The ESP32S is a WiFi device from the Tuya / Smart Life ecosystem.
📄 Click to view full text manual (SEO)
ESP32-S Wi-Fi+BT SoC Module V1.0
Copyright © 2017 Shenzhen Ai-Thinker Technology Co., Ltd All Rights Reserved
ESP32-S Wi-Fi+BT SoC Module
Overview
Esp32-S has a highly competitive package
size and ultra-low power technology.
Esp32-S can be widely used in various of
networking, for home automation, industrial
wireless control, baby monitors,
sensing
and other networking applications.
Esp32-S is packaged in SMD,through the
standard SMT equipment to achieve rapid
production of products,to provide customers with
High reliability of the connection,especially for
Automation, large- scale, low-cost modern
production methods,It ’s suitable for all kinds of
Internet of things hardware terminal occasions.
- The smallest 802.11b/g/n Wi-Fi BT SoC Module
- Low power 32-bit CPU,can also serve the
application processor
- Up to 160MHz clock speed，Summary
computing power up to 600 DMIPS
- Overview built-in 520KB SRAM
- Supports UART/SPI/I2C/PWM/ADC/DAC
- SMD-38 package for easy welding
- Support for OpenOCD debugging interface
- Deep sleep current as low as 6.5μA
- Embedded Lwip and FreeRTOS
- Supports STA/AP/STA+AP operation mode
- Support Smart Config/AirKiss technology
- General AT commands can be used quickly
- Support for serial port local and remote firmware
upgrades (FOTA)
Features
wireless position
devices, wireless positioning system signals
ESP32-S Wi-Fi+BT SoC Module V1.0
Copyright © 2017 Shenzhen Ai-Thinker Technology Co., Ltd All Rights Reserved
Module Model ESP32-S
Package SMD-38
Size 18.0*25.8*2.8（± 0.2）mm
SPI Flash Default 32Mbit
Bluetooth Bluetooth 4.2 BR/EDR and BLE standards
Wi-Fi 802.11 b/g/n/e/i
Interface UART、SPI、SDIO、I2C、PWM、I2S、IR、ADC、DAC
On-chip Sensor Hall sensor, Temperature sensor, Capacitive touch sensor
IO Port 22
UART Baudrate Support 300~4608000bps,De115200 bps
Frequency Range 2412 ~2462MHz for wifi/2402-2480 for bluetooth
Antenna PCB Antenna
Transmit Power
802.11b: 20±2 dBm (@11Mbps)
802.11g: 24±2 dBm (@54Mbps)
802.11n: 24±2 dBm (@MCS7)
Receiving Sensitivity
CCK, 1 Mbps : -90dBm
CCK, 11 Mbps: -85dBm
6 Mbps (1/2 BPSK): -88dBm
54 Mbps (3/4 64-QAM): -70dBm
MCS7 (65 Mbps, 72.2 Mbps): -67dBm
Power Dissipation [email protected]
Security WPA/WPA2/WPA2-Enterprise/WPS
Power Supply Range 3.0V ~ 3.6V
Operating Temperature -20 ℃ ~ 85 ℃
Storage Environment -40 ℃ ~ 90 ℃ , < 90%RH
Weight 1.5g
Product Specifications
S
henzhen Ai
-
Thinker Technology Co
.,
Ltd
A
ddress:
7/F, Fengze Building B, Huafeng Industrial Park 2th, Hangkong street,Xixiang Raod, Baoan, Shenzhen
China
W
ebsite:
www.ai
-
thinker.com
T
el
0755
-
29162996
E
-
mail
[email protected]
C
ontact US
FCC Statement
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may n ot cause harmful
interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Changes or modific...