Function:
Onboard Chip NE55
Single channel output, output duty cycle squared wave is about 50%.
Onboard adjustable resistance, can control resistance to adjust output frequency.
Specifications:
Color: Blue
Operating Voltage: 5-12V
Size: 1.0 * 0.5 inches
Package Included:
5 x NE55 generator module
1 x 11.8" Male to Female Dupont Cable 15 Pin