2PCS NE555 frequency adjustable pulse generator module | Электроника

Характеристики

onboard NE555 chip
single signal output, the output duty cycle is about fifty percent of the square wave
on-board adjustable resistance, adjust the resistance can control the output frequency
the working voltage: 5 ~ 12V
Material: metal
colour: blue
size: 29 (mm) x12 (mm)
Package:
2 x NE555 frequency generator module
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.