Relay Module DFR0017 V3.1 Arduino Compatible outputs 1 and 2 Voltage:

outputs 1 and 2 Voltage: 30VDC

Hantek 20 MHz USB Oscilloscope for PC or Laptop - compatible with Windows 10

they are: inductance L

This circuit-powered beeping logic probe is designed for troubleshooting fast logic circuits

Relay Module DFR0017 V3.1 Arduino Compatible outputs 1 and 2 Voltage:The DFRobot single relay allows you to switch on and off a number of electronic modules The relay output state is indicated by an LED It can be controlled through the digital I O port to trigger a solenoid valve, lamp, motor or other high current or high voltage devices The DFRobot single relay allows you to switch on and off a number of electronic modules. It can be used in interactive projects or to control lighting, electrical and other equipment.