• 2-channel relay module for controlling AC and DC loads
• Low-level trigger for easy microcontroller interfacing
• Compatible with Arduino, Raspberry Pi, ESP8266, ESP32, and other microcontrollers
• Capable of switching high-power loads up to 250V AC @ 10A or 30V DC @ 10A

• LM358 Chip Onboard: Ensures reliable operational amplification.
• 100x Gain Circuit Design: Ideal for signal amplification applications.
• Adjustable Magnification: Features a 10K adjustable resistor for gain tuning.
• Power Indicator: Onboard LED for power status indication.

• Reserved M3 mounting holes for easy fixing in small car models
• Compact size: 2.5cm x 1.9cm
• Ideal for collision detection in robots or car models
• Simple pin configuration for easy connections

• Compatible with ESP-07 WiFi Module for seamless integration
• Onboard 3.3V Voltage Regulator for stable power supply
• Level Conversion Circuit for easy 5V microcontroller compatibility
• Compact PCB Design for space-saving applications

• Measures water turbidity for water quality monitoring.
• Provides both analog output (0-4.5V) and digital output (high/low level signal).
• Adjustable digital output threshold via potentiometer.
• Wide operating temperature range of 5℃~90℃.

• Converts SOP28, SOIC28, and SO28 to DIP28 format
• 1.27mm pin pitch for compatibility with various ICs
• 28-pin socket for versatile use
• Suitable for testing and programming ICs

Specifications:

• MCU: ESP32-S3
• Flash: 16MB
• PSRAM: 8MB
• Wireless Connectivity: Wi-Fi 802.11/Bluetooth 5.0 + BT mesh
• Programming Platform: Arduino-IDE, Micropython
• Bat Voltage Detection: IO04
• Resolution: 170(H) x 320(V)
• Screen Size: 1.9" Diagonal
• Working Power Supply: 3.3V
• Interface: 8-Bit Parallel
• Product Size: 62mm (L) x 26mm (W) x 10mm (H)
• Product Weight: Approximately 40g

Package:

1x LILYGO TTGO T-Display S3 with shell

• Compact Design: Ideal for small projects with limited space.
• Versatile Power Options: Supports 5V, 3.3V, 12V, and other input voltages.
• Reliable Output: Provides a high signal when pressed and low when not.
• Simple Connection: Easy to integrate into various circuits and applications.

• Supports MP3, WAV, and WMA formats
• TF card (up to 32GB) and U Disk support
• 30 volume levels and 6 EQ levels adjustable
• Multiple control modes (IO, serial, AD button)

• Dual-core 240MHz CPU with high-speed processing
• WiFi, Bluetooth Classic, and BLE support
• 520KB SRAM, capable of running FreeRTOS, MicroPython, and more
• Compact 25.2mm x 18mm size with onboard antenna

• Onboard TTP229 Capacitive 16-Key Touch Sensing IC
• Supports 16 capacitive touch buttons for seamless touch control
• Onboard power indicator for status monitoring
• Adjustable output modes, key response, and power settings

• High Current Capacity: Can drive up to 43A with the BTS7960B motor driver.
• PWM Control: Controlled via PWM1 and PWM2 signals, providing efficient speed and direction control.
• Wide Voltage Range: Operates with 5.5V to 27V power supply.
• Power Indicators: On-board 5V power indicator and motor driver output voltage indicator.

• Supports CAN V2.0B Specification with data transfer rate up to 1 Mbyte/sec.
• Handles 0 to 8-byte data field with Standard Frame and Remote Control Frame.
• 5V DC power supply module with SPI interface protocol control.
• Includes 120-ohm resistance for impedance matching to ensure long-distance data transmission and prevent signal radiation.

• Adjustable delay time range from 10 seconds to 24 hours
• Power-on reset for automatic start
• Current output voltage ratio: 3V/300mA, 5V/200mA, 9V/100mA
• Can drive 3V/5V/12V relays, LEDs, and similar devices

• Input Voltage Range: 4V to 38V DC (up to 38V).
• Output Voltage Range: 1.25V to 36V DC (adjustable).
• Maximum Output Current: 5A.
• High efficiency of up to 96%.

• Double Panel PCB Design: Ensures durability and enhanced performance.
• Reliable Chip Control: Provides stable, anti-interference operation with minimal false triggering.
• Efficient Voltage Regulation: Offers stable power supply with proper heat dissipation for long-term usage.
• Anti-Reverse Protection: Prevents damage from accidental reverse power connection.