Photoresistor Sensor LDR 7mm EGP8.00 Mini USBISP USBASP Programmer EGP175.00 Tip142 (10A, 100V) NPN Darlington Bipolar Power Transistor TO-218 EGP15.00 Voltmeter Screen 0.36″ 30V EGP65.00 TCRT5000 Tracking Line Follower Sensor(IR) EGP30.00