IR Infrared Obstacle Sensor Module PCB - LM358
Size: 0.9"x1.9" (23mm x 48mm), Trace Width: 0.75mm, Mounting Hole: 1 x 3mm.
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..

Solid State Relay PCB with All Components.
Kit Components: (PCB 1pc, 1N4007 4pcs, MOC3041 1pc, IC Base 6-Pin 1pc, 5mm Red LED 1pc, 2-Pin Relimate Male 0.2" 1pc, 68 Ohm 1pc, 47 Ohm 1pc, 56 Ohm 1W 1pc, 330 Ohm 1W 1pc, 39 Ohm 1W 1pc, 0.01uF Capacitor 1pc, BTA12 1pc, Heatsink 1pc, PCB Terminal Block 2pcs, Screws 3pcs, nut 1pc, Components Layout Circuit 1pc)..

2A Full Wave Bridge Rectifier Power Supply with Switch PCB.
Size: 1.9"x2.9" (49mm x 74mm).
Components Required: Diode 1N5408 (4pcs), Capacitor 4700uF - 35V (1pc), Capacitor 100nF - 100V (1pc), LED 5mm Red (1pc), Resistor 0.25W 1.5K (1pc), 2 Way PCB Terminal Block (2pc), SPDT 3A Switch (1pc).
Note: You can change the components according to your requirement..

2 Transistors 2-LEDs Flasher PCB with Copper Pour.
PCB Size: 1.9"x2.9" (49mm x 74mm), Track Width: 1.25mm, Copper Pour Clearances: 1.4mm, Mounting Hole: 4 x 3mm.
Components Required: Diode 1N4007 (1pc), Capacitor 22uF 63V (2pcs), LED 5mm Red (1pc), LED 5mm Green (1pc), Resistor 0.25W 18K (2pc), Resistor 0.25W 470 Ohm (2pc), Transistors BC547 (2pcs), Variable Resistor (Preset) 10K (1pc), Relimate 2-pin Male Header 5.08mm (1pc), Working Voltage: 5 to 9V DC.
Note:
1.) You can change the components according to your requirement.
2.) You can select available option to Print Your Name on PCB.
Project On Breadboard: Transistors LED Flasher On Breadboard.

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..