Battery 9v Normal type and capacity
can be used to power the arduino or other electronic circuits
9 volt battery
Its capacity is approximately 400 mAh
It is made of zinc and carbon
It is an ideal choice for products that do not consume a lot of energy such as radios, remote controls, and operating microcontrollers such as Arduino .
RC absorption/ RC Snubber circuit for Relay contact or else
BD238 PNP Transistor
RELAY small yellow 12VDC -8 PIN-1A -125
Switch on - Off Small 3-position-spdt 3a 250v
keypad 4x4
Relay 9V 5A 8PIN SONGLE SMI-09VDC-SL-2C-8pin
IRFP150N HEXFET Power MOSFET transistor 100V 42A
Battery 6v 4.5Ah/20HR Rechargeable 










