2 Channel 5V High and Low Level Trigger Relay Module 12 MHz Crystal Oscillator - (Pack of 10) 0 and above through Bluetooth

0 and above through Bluetooth 5

Frequency Calibration Standards - Implement as a portable frequency reference for calibrating test equipment

the D-shaped 3mm output shaft is compatible with Pololu magnetic encoders and other standard encoder modules designed for this shaft profile

while the adjustable tension spring allows customization of pedal resistance to match operator preference and application requirements

```html 4-Pins DIP Momentary Square Tactile Push Button Switch 5 Pieces - 12x12x12mm

2 Channel 5V High and Low Level Trigger Relay Module 12 MHz Crystal Oscillator - (Pack of 10) 0 and above through Bluetooth2 Channel 5V High and Low Level Trigger Relay Module