HW-411A LM2596 DC-DC Step Down Adjustable Power Supply Module 3A Max Buck Converter

TDS Water Quality Sensor | Arduino Compatible | V1 Module

Measures 0–1000 ppm with ±10% Accuracy

Waterproof Probe for Long-Term Monitoring

Analog Output 0–2.3V, Wide Voltage Input 3.3V–5.5V

Available Now at Circuit City BD

Interface: I2C (PCF8574 Chip)

Compatible LCDs: 16×2 & 20×4 Character Displays

Power Supply: 5V DC

Adjustable Contrast & Backlight Control

Up to 8 Modules on a Single I2C Bus

Availability: Order now from Circuit City BD!

Relay Type: 1-Channel 5V Relay

Operating Voltage: 3V - 5V DC

Switching Capacity: AC 250V/10A, DC 30V/10A

Trigger Method: High-Level & Low-Level Selectable

Microcontroller Compatibility: Arduino, AVR, PIC, ARM, DSP

Availability: Order now from Circuit City BD!

Wireless Serial Bluetooth Module for Arduino & Microcontrollers

Bluetooth Specification: V2.0 + EDR

Frequency: 2.4GHz ISM Band

Modulation: GFSK (Gaussian Frequency Shift Keying)

Operating Range: Up to 10 meters

Supports Master & Slave Mode

Low Power Consumption

Availability: Order now from Circuit City BD!