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 .
Prototype Shield for Arduino MEGA
ECG module AD8232 pulse heart ecg monitoring sensor
USB shield – usb host shield for Arduino 











