Adjustable frequency via trimpot for precise control
50% duty cycle ensures balanced signal output
Simple 5-12V DC power supply compatibility
Compact 29 x 12 mm board size for easy integration
Pack of two modules for multiple projects
Summarized by Shop
If you need a quick square wave for teaching or other purposes, then these 555 Adjustable Frequency Pulse Generator Modules from PMD Way solve the problem.
Simply connect up 5~12V DC and adjust the trim pot for varying frequencies. Board is designed for a duty cycle of ~50%.
Sold in packs of ten. Specifications: