Electronic Circuit DIY Production Analog Telegraph DIY Spare Parts Welding Training DIY Kit

Feature:

Product name: analog transmitter

Supply voltage: DC5V

PCB size: 36*28mm

Note: This kit requires self-assembly

Principle:

This kit consists of NE555 and its peripheral devices to form a time base circuit, the key K controls the power on time, makes the buzzer sound, and simulates the telegraph sound.

Package includes:

1 x DIY Kit