Intermittent Sound Electronic Active Buzzer SFM-27 DC 3-24V
Continuous Sound Electronic Active Buzzer SFM-27 DC 3-24V
5V Passive Buzzer-10 Pcs.
1 Channel Relay Module, 30A with Optocoupler, Isolation 12V Supports, High and Low Trige
1.5V 1.8V 2.5V 3V 3.3V 3.7V 4.2V to 5V DC-DC DC Boost Converter Module Step Up Board
10mm LDR Sensor Photoresistor Photo Cell 50-100k – GL10539
12mm LDR Sensor Photoresistor Photo Cell 50-100k – GL12539