Specifications:

• Fixed Output Voltage: 3.3V ± 4%
• Input Voltage Range: 1.8V - 5V
• Continuous Output Current: Max 100mA
• Peak Output Current: Max 150mA (short duration)
• Operating Frequency: 1.2MHz
• Protection: Short-Circuit Protection
• No Load Input Current: 0.65mA
• Pin Pitch: 2.54mm (suitable for Breadboard and MCU Development Boards)
• Dimensions: 11mm x 7.62mm x 4.5mm (excluding pins)
• Weight: Approximately 0.5g

Package:

1x mini 2 in 1 DC DC Step-Down & Step-Up Converter 1.8V-5V to 3.3V Power Wifi ESP8266 HC-05 CE1101 LED Module

• Digitally programmable frequency and phase
• Supports sinusoidal, triangular, and square wave outputs
• Wide frequency range: 0 MHz to 12.5 MHz
• Low power consumption: 12.65 mW at 3V

• Dual H-Bridge Motor Driver: Capable of driving two DC motors or a 4-wire two-phase stepper motor.
• Built-in TSD: Protects the motor from stalling, ensuring smooth operation.
• Ultra-Small Size: Ideal for assembly and use in compact projects like smart cars or robots.

• Compact Design: Small and efficient module with a size of 8.6mm x 12.33mm.
• Wide Input Voltage Range: Accepts 4.2V to 10V input voltage.
• Stable 3.3V Output: Provides a steady 3.3V output with a current of 800mA.
• Efficient Power Conversion: Ideal for small projects requiring reliable step-down voltage regulation.

• I2C Interface: Enables easy communication with the WeMos D1 Mini.
• Wide Power Supply Range: Supports up to 15V DC motor power supply.
• High Current Output: 1.2A (average), 3.2A (peak) per channel.
• Motor Control Modes: Supports CW, CCW, short brake, and stop modes.

• Supports Wi-Fi IEEE 802.11 b/g/n protocol with up to 150 Mbps data rate.
• Dual-band Wi-Fi with 20 MHz and 40 MHz bandwidth in the 2.4 GHz band.
• Bluetooth 5 support with Low Energy (LE) and Mesh functionality.
• Supports up to 4x Virtual Wi-Fi interfaces for flexible networking.

• Waterproof and durable for outdoor use
• Operates at a DC 5V voltage with low power consumption
• Capable of measuring distances from 25cm to 4.5m
• Acoustic emission frequency of 40kHz for accurate distance detection

801S Vibration Switch Detection Sensor Module 3Pin Vibration Sensor

• Imported normally-open reed switch for reliable performance
• Comparator output with clear signal and clean waveform
• High driving ability with more than 15mA output

• Dual-Output: Provides both temperature and humidity control outputs.
• High Precision: Control accuracy of 0.1°C for temperature and 0.1%RH for humidity.
• Wide Detection Range: Temperature range of -20°C to 60°C and humidity range of 0% to 100% RH.
• Relay Output: Maximum output capacity of 10A for controlling devices.

• 10-segment LED bar graph with multi-color display (red, yellow, green, blue)
• Ideal for battery level and power indication
• Compact design with standard 2.54mm pin pitch
• Efficient power usage with low forward current

• Serial Baud Rate: Supports baud rates from 1200 to 460800bps.
• Working Frequency Band: Operates on 850/900/1800/1900 MHz.
• Control Mode: Uses AT commands (3GPP TS27.007).
• GPRS: Supports PPP connection and embedded TCP/IP protocol.

• High-quality ABS material ensures durability and long-lasting use.
• Designed to securely hold two 18650 batteries.
• Compact and lightweight design for easy integration into projects.
• Hard pin connections provide stable and reliable performance.

• Embedded 24-bit A/D Converter: Ensures high precision for weight measurements.
• High Precision Weight Module: Accurate and reliable sensor for weight detection.
• Easy Installation: Bolt holes provided for simple mounting.
• Low Current Consumption: Operating current is less than 10mA.

• 3.2-inch 480x320 TFT LCD screen with high-quality image display and wide viewing angle.
• Equipped with SD card socket and SPIFLASH circuit for enhanced functionality.
• Compatible with Arduino UNO & MEGA 2560 development boards.
• Supports UTFT, UTFT_Buttons, and Utouch libraries for easy integration.

• Measures water flow accurately within a range of 0.3–6 L/min.
• Compact and lightweight design with durable construction.
• Operates on a wide voltage range (5~12 V) with low current consumption.
• Offers high precision with ±5% accuracy for flows of 0.3–3 L/min.