Best Low Voltage Board

AOICRIE 12V 16-Channel Relay Interface Board Module Optocoupler LED LM2576 Power for Arduino DIY Kit PiC ARM AVR

★12V 16-Channel Relay interface board, and each one needs 15-20mA Driver Current.
★Equipped with high-current relay, AC250V 10A.
★The control signal voltage range: the trigger signal is low 0-2V.
★Standard interface that can be controlled directly by microcontroller (for Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP433, TTL logic).
★DC 12V 16 Channel Relay Module Interface Board With Optocoupler Protection LM2576 Power for Arduino DIY Kit.

【TPA3116D2 HIFI Chip Solution】 Stereo Dual-channel Output to Ensure Continuous Serial High-power Operation, THD ≤0.1%. Wide Voltage Input DC:....
【Treble & Bass Control】 If You Are Tired of The Inherent High& Low Bass, Why Not Try The High & Low Control Knob! This Will Make You Feel Like....
【Bluetooth and AUX Function】 Bluetooth 5.0 version, Transmission Distance Is Farther. The Transmission Distance Can Reach 49 Feet In An Open....
【Safety Protection】 This Amp Board Has Overheat Protection, Reverse protection, Circuit Protection, Over-voltage and Under-voltage Protection.
【7 * 24 Hours After-sales Service】 Paying Attention To Customer Experience And Satisfying Customers Is Our Service Tenet. If You Have Any....

Fully adjustable: Adjust to fit 1/4 inch to 1 inch thick wallboard, gypsum board or paneling..
Designed for: For flush installation of wall panels, with oval holes on the bracket for final displacement and straightening..
Easy Installation: Horizontal or vertical installation, used to install low-voltage wires and cables, with fast installation speed..
Usage: Used to install low-voltage wires and cables, for Telephone Wires, Network Cables, HDMI, Coaxial, Speaker Cables..
100% Satisfied Service: Enjoy a smooth & frustration free experience with our 100% Satisfied Service in one Month..

The TCA9548A adapter is connected to an I2C device with multiple identical addresses on the same I2C port on the main control board for normal communication and use.There are 8 I2C interfaces on one expander, and there are eight bidirectional transfer switches that can be controlled by I2C bus. This means that after 1 expander is transferred, 8 identical addresses can be connected to the same I2C port..
Expansion board TCA9548A compatible with IIC bus and system management bus (SMBus), active low reset input, support for hot insertion, low standby current, no glitch during power-up, support for voltages between 1.8V, 2.5V, 3.3V and 5V buses Level shifting, TCA9548A I2C IIC multiplexer breakout board depending on the contents of the programmable control registers, any single SCn/SDn channel or combination of channels can be selected..
12pcs TCA9548A I2C IIC Multiplexer Breakout Board 8 Channel Expansion Board for Arduino.

Wide operating voltage range: 3-12V, suggestion ≥5V.
Speaker power: 05W-10W, suggestion 8W speaker is the best.
Low static power consumption, the quiescent current of approximately 2MA, ideal for battery-powered.
Low power consumption, updated within the chain gain adjustable,large supply voltage range, fewer external components and total are widely used,....
On-board volume control potentiometer clockwise to increase the volume,with power indicator light..

Aceirmc buck converter input voltage range is DC 6-40V, adjustable output voltage range is DC 1.2-36V, can be used to convert 24v to 12v 5v, adjustable output current range is 0-20A, max output power is 300W. The step down regulator can apply to constant output current..
With a wide input voltage range from 6V to 40V, the step-down converter can accurately adjust output voltage and current. The efficiency can be up to 95%,(measured at 20A, converting 24V to 12V)..
Short Circuit Protection: Self-recovery(cannot short circuit for long time). Plus, when input and output is common grounded, no-load CV output constant voltage,CC output constant current.
Adopting 75V / 80A large current dual MOS tube designed step-down board, Input and output use high frequency low resistance electrolytic capacitor, low ripple, and gives a stable output. Large current 30A connection screw terminals, more convenient to install.
Application: DIY stabilized voltage supply, LED car display, mobile power, industrial equipment appliances, LED driver, monitor, solar energy, fans, photovoltaic energy, motor, etc....

High Power LED, saving power,very low heat generating..
Note: The LED lamp board must be powered by constant current LED driving power supply, and the output parameters of the power supply are consistent....

Parameter: DROK DC motor controller operating voltage range is DC 10-50V, max rated current is 60A, control power range is 0.01-3000W, working temperature range of -20℃-40℃..
High-end Configuration: Our motor driver control board uses PWM modulation system to adjust light & speed. In addition, it is designed with radiators to doing heat dissipation created by MOS tube..
Convenient Speed Control: With wires to connect potentiometer and regulation switch to control the speed, it is convenient to use..
Low Quiescent Current: our speed regulation module is designed with low quiescent current 0.04A(When the working voltage is DC10V-50V, the quiescent current cannot exceed 40mA)..
Wide Application: our motor driver control board can be applied to universal DC brush motor speed regulation.
production line conveyor belt speed regulation.

Multiple Protections: Over-discharge protection, overcurrent protection, overcharge protection.
LOW STANDBY CURRENT: MOS transistor can control the battery charge and discharge, low standby current consumption..
Applications:It is suitable for lithium batteries with nominal voltage of 3.7V and full voltage of 4.2V (including 18650, 26650, polymer lithium....
4S 40A 16.8V Li-ion Lithium Battery Protection Board PCB BMS Charger Protection Circuit Balance Charging Module for Drill Motor Motorcycle Battery.