5Pcs NE555 Pulse Generator 555 Timer Module Single-Channel Signal Output Adjustable Frequency Rectangular Wave Signal Generator for MCU Learning with Dupont Cable auspowers_batchone 2 sets male& female hydraulic

2 sets male& female hydraulic couplers with protector dust caps

A clean fresh towel every time

Extra Chunky grips is thicker version of the Chunky grip which results in maximum shock absorption

0 chipset combining A2DP comes with stable connectivity and remarkable signal stability

easy installation and easy to remove

5Pcs NE555 Pulse Generator 555 Timer Module Single-Channel Signal Output Adjustable Frequency Rectangular Wave Signal Generator for MCU Learning with Dupont Cable auspowers_batchone 2 sets male& female hydraulic5Pcs NE555 Pulse Generator 555 Timer Module Single Channel Signal Output Adjustable Frequency Rectangular Wave Signal Generator for MCU Learning with Dupont Cable Specification: 1. Onboard NE555 chip 2. Single channel signal output, the output duty cycle is about 50% square wave 3. On board adjustable resistance, adjusting the resistance value can control the output frequency 4. Onboard power indicator 5. Working voltage: 5? 12V 6. The output