ULN2003A Motor Driver Chip Utilizes ULN2003 Darlington Arrays.
Voltage Supply 5-12V compatible power source.
Signal Indicators 4-way signal indicator LEDs.
Ease of Connection Direct connection via XH-5P socket.
Step Angle 5.625 x 1 / 64 with reduction ratio 1 / 64.
Phase Count 4-phase for precise control.
Current/Phase Optimized for 5V current per phase.

USB-TTL Converter: Facilitates communication.
Logic Level: 5V compatibility.
Operating Supply Voltage: Stable 5V power.
Digital I/O Pins: 14 versatile pins.
Analog I/O Pins: 6 dynamic inputs.
WiFi Supported: 802.11 b/g/n connectivity.
Memory: Generous 8MB storage.
Micro USB: Convenient connection.

Connector Type: USB Type-B
Compatible Devices: Printer, Dev. Board
PCB Size: 20 x 20 mm
Weight: 4gm
DIP 4-pin header: Easy connection
Solder-ready PCB: For projects
Signal Pins: VCC, GND, D+, D-
Durability: Reliable build
Plug-and-play: Simple integration

---

Compact Design - Easy to carry, plug & play.
No Extra Power Needed - Operates independently.
Measure Output Voltage - For any USB port.
Detect Chargers - Works with PC, home, car chargers.
Wide Range Use - Suitable for all electronic products.

Driver Chip: CH340G for stable performance.
Compatibility: Supports all basic Windows versions.
Integrated Capacitors: 1000μF for stable current supply.
Circuit Stability: 3225 SMD crystal oscillator for stable serial work.
Voltage Range: 4.5V – 5.5V with onboard LDO regulator.
Current Capacity: 300mA LDO regulator-supported.
Easy Debugging: Direct ESP-01 module support.

SW-420 Sensor: Normally closed, sensitive to vibrations.
Comparator Output: Clean signal, strong drive over 15mA.
LM393 Comparator: Supports wide voltage from 3.3V to 5V.
Easy Installation: Bolt holes for secure mounting.
Digital Output: Switches between 0 and 1 for easy interfacing.

Temperature Control: -50 to +110°C
NTC Sensor: High accuracy 0.1°C
Relay Output: 12V 10A capacity
Compact Size: 48x40x14 mm
Parameter Settings: Easy with 3 buttons
Display: 3-digit 7-segment
Low Cost: Affordable thermostat solution
Download Datasheet: Here

Operating Voltage (V): AC 110~220
Control accuracy: Up to 0.1℃
Temperature range: -50 to 110°C
LED display: For clear results
Stainless steel probe: Waterproof
Flame retardant: ABS housing
Simple operation: Easy to use

Durable Construction: Heavy aluminum body for efficient cooling.
Internal Flow Channel: Enhances heat dissipation.
Versatile Applications: Ideal for CPU, laser, industrial cooling.
Compact Size: Fits easily in various setups.
Easy Installation: User-friendly design for quick setup.

Operating Voltage 3.5-24VDC
Operating Current 15mA
Insulation Resistance >100MOhm
Nozzle Size 1/8″
Analog Sensor Accuracy Up to 5%
Water Proof Sensor Yes
Download CAD Model: Download Here
Download Datasheet: Download Here

Microcontroller: ESP8266EX
Operating Voltage: 3.3V
Digital I/O Pins: 11, versatile with interrupts/PWM/I2C/one-wire capability
Analog Input Pins: 1
Flash Memory: 4MB
On-Board Switching Power Supply: 9V to 12V input
Dimensions: 68x54x12 mm
Download: Datasheet

Microcontroller: ESP8266EX
Operating Voltage: 3.3V
Digital I/O Pins: 11
Flash Memory: 4MB
Compatible: Arduino, NodeMCU
Power Supply: 9V-12V Input
On-board Switching: 5V Output
Download Datasheet: Download

Stackable Design: Easy to connect with ARDUINO.
Bluetooth Support: Enable wireless communication.
Power Output: Supports 3.3v and 5v.
Protocol: USB 2.0 compatible.
Software Support: X-CTU for configuration.