Relay Board allows you to control larger loads and devices like AC or DC motors, fans, light bulbs etc.

Specifications:
   • Reverse polarity and Back emf protection.
   • Screw terminals for relay connections.
   • Relay Board has an LED to indicate when relay is operated.
   • Signal input for direct connection to Microcontroller, Arduino or any TTL output pins.
   • Test Button for (without signal) Relay and load testing.
   • Use 5V, 6V, 9V, 12V, 18V and 24V 5Pin relay..

IR Infrared Obstacle Sensor Module PCB - LM358 with Toner Transferred, Ready for Etching.
PCB Size: 0.9"x1.9" (23mm x 48mm), Trace Width: 0.75mm, Mounting Hole: 1 x 3mm, PCB Etching: No, PCB Drilling: No.
Components Required: IC LM358 (1pc), IR Emitter (1pc), IR Receiver (1pc), LED 5mm Red (1pc), Resistor 0.25W 1.5K, 22K & 180 Ohm (1pc each), 3-Pin Relimate Male Header (1pc), Small Preset 20K (1pc).
Note: You can change the components according to your requirement..

Assembled 1A Regulated Power Supply - Full Wave Bridge Rectifier and 7806

This kit is a quick, neat, and inexpensive way to provide a smoothed 6V, 1A regulated DC power supply suitable for powering many electronics circuits. It only requires the AC output of a transformer (not supplied).
Input: 7.5V to 12V AC (Green for transformer connection), Output: 6V DC Max. 1A (2 x Red Positive and 2 x Black Negative)
Components Used: PCB (2.9"x3.9"), Diode, Fixed Voltage Regulator, LEDs, Resistors, Electrolytic Capacitor, Polyester Film Capacitor, PCB Terminal Block, Heatsink etc.
Note: You can customized this Assembled Kit by selecting capacitor and diodes from Available Options..

Assembled 1A Regulated Power Supply - Full Wave Bridge Rectifier and 7808

This kit is a quick, neat, and inexpensive way to provide a smoothed 8V, 1A regulated DC power supply suitable for powering many electronics circuits. It only requires the AC output of a transformer (not supplied).
Input: 9V to 12V AC (Green for transformer connection), Output: 8V DC Max. 1A (2 x Red Positive and 2 x Black Negative)
Components Used: PCB (2.9"x3.9"), Diode, Fixed Voltage Regulator, LEDs, Resistors, Electrolytic Capacitor, Polyester Film Capacitor, PCB Terminal Block, Heatsink etc.
Note: You can customized this Assembled Kit by selecting capacitor and diodes from Available Options..

Assembled 1A Regulated Power Supply - Full Wave Bridge Rectifier and 7809

This kit is a quick, neat, and inexpensive way to provide a smoothed 9V, 1A regulated DC power supply suitable for powering many electronics circuits. It only requires the AC output of a transformer (not supplied).
Input: 9V to 12V AC (Green for transformer connection), Output: 9V DC Max. 1A (2 x Red Positive and 2 x Black Negative)
Components Used: PCB (2.9"x3.9"), Diode, Fixed Voltage Regulator, LEDs, Resistors, Electrolytic Capacitor, Polyester Film Capacitor, PCB Terminal Block, Heatsink etc.
Note: You can customized this Assembled Kit by selecting capacitor and diodes from Available Options..

Assembled 1A Regulated Power Supply - Full Wave Bridge Rectifier and 7812

This kit is a quick, neat, and inexpensive way to provide a smoothed 12V, 1A regulated DC power supply suitable for powering many electronics circuits. It only requires the AC output of a transformer (not supplied).
Input: 12V to 15V AC (Green for transformer connection), Output: 12V DC Max. 1A (2 x Red Positive and 2 x Black Negative)
Components Used: PCB (2.9"x3.9"), Diode, Fixed Voltage Regulator, LEDs, Resistors, Electrolytic Capacitor, Polyester Film Capacitor, PCB Terminal Block, Heatsink etc.
Note: You can customized this Assembled Kit by selecting capacitor and diodes from Available Options..

This dual bidirectional motor driver is based on the very popular L298 Dual H-Bridge Motor Driver Integrated Circuit. The circuit will allow you to easily and independently control two motors of up to 2A each in both directions..

LM317 DC-DC 1.5A 1.2-37V Adjustable Power Supply Board, DC Converter Buck Step Down Module Adjustable Linear Voltage Regulator
Adjustable Output Voltage Range: 1.2 to 37V, Output Current: 1.5A Max., Input Voltage: 4.2 to 40 V, Module size: 35mm (L) x 17mm (W) x 24mm (H).

Input voltage: 4.5-35V, Output voltage: 1.5-35V (Adjustable), Output current: Rated current is 2A.

Features:
Conversion Efficiency: Up to 92% (output voltage higher, the higher the efficiency)
Module Properties: Non-isolated step-down module (buck)
Short Circuit Protection: Current limiting, since the recovery
Load Regulation: ± 0.5%, Voltage Regulation: ± 2.5%.