• Operating Voltage: 3.3V (DC)
• Communication Protocol: UART
• Serial Communication Baud Rate: 9600
• Speed Limit: 500m/s

• 802.11 b/g/n Wi-Fi protocol
• 2.4 GHz frequency, supports WPA/WPA2 encryption
• Ultra-compact size: 11.5mm x 11.5mm
• Integrated 10-bit ADC and TCP/IP protocol stack

✔ High Precision Measurement – Onboard precision micro current transformer for accurate current sensing
✔ Op-Amp Circuit Board – Provides accurate signal sampling and appropriate compensation
✔ Adjustable Output – The analog output corresponding to current can be easily adjusted
✔ Wide Working Voltage – Operates within a range of DC 5-30V for versatile

• Easy Operation: Simply plug in USB or micro USB to output 1.2V-24V adjustable voltage
• One-Key Off: Easily turn off the output with a single button
• Precise Adjustment: Multi-loop precise adjustable potentiometer for fine voltage control
• Power-Off Storage: Saves settings before power-off

• Compatible with ESP-12E development kit (NodeMCU).
• Extend output ports for ESP-12 including SPI, UART, GPIO, AI, and 3.3V power interface.
• Directly drive 2-way motors with ease.
• Power switch for convenient operation.

• High-performance metal detection
• Easy to use with sound and light alarm modes
• Low power consumption with 40mA operating current
• Compact PCB size for easy integration into projects

• 24pcs 5050 RGB LEDs with WS2812 chip for full-color effects
• Individually addressable LEDs with digital control
• Operates at 5V, making it energy-efficient

• 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.

• Simultaneous Charging and Discharging: Supports charging and discharging at the same time.
• Large Current: Handles high current for efficient power conversion.
• Compact Size: Small and lightweight design, easy to integrate into various projects.

• Onboard AMS1117-3.3 chip for stable 3.3V output
• DC input voltage range: 4.75V to 12V
• Self-locking switch: Easily turn power on/off during testing
• Power indicator light: Indicates whether the power is on

• 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%.

• Adjustable output voltage from 12V to 35V
• High power output up to 150W with enhanced heat dissipation
• Efficient conversion with 94% efficiency
• Wide operating temperature range (-40~85°C)

• High Detection Range: Adjustable detection distance between 2m to 16m with the adapter plate or reference circuit.
• Low Power Consumption: Operating current of 50mA max. and typical average current of 2mA at 5% DC.
• Microwave Frequency: 10.525GHz helium emission frequency for efficient detection.
• High Sensitivity: Sensitivity up to -86dBm with 3Hz to 80Hz bandwidth.

• High-precision TDS measurement for water quality testing.
• Compatible with Arduino and other microcontrollers for easy integration.
• Low power consumption with a working current of just 3-6mA.
• Wide measurement range from 0 to 1000ppm.

• Wide Input Voltage Range: Operates with DC 5V to 12V input voltage.
• High Power Output: Delivers 120W of power for induction heating.
• Efficient Induction Heating: Designed for high-frequency induction heating applications.
• Compact Size: 8x4cm in size, easy to integrate into various setups.

• Control 16 PWM outputs using just two I2C pins
• Stackable up to 62 shields for a total of 992 PWM outputs
• Built-in PWM driver with clock, no need for continuous signals
• 5V compliant, allowing control from a 3.3V