Two Key Black Aluminum Keypad Shell Enclosure MX Compatible Switches Spedizione:4-6 Giorni Supports Arduino mainboard power supply

Supports Arduino mainboard power supply or DB9 power supply (Switch)

not as bright as LEDs but uses a lot less power

3V regulator with 600mA peak output

Serial: Full duplex

the RPLIDAR will work for 5 years(24 hours every day)

Two Key Black Aluminum Keypad Shell Enclosure MX Compatible Switches Spedizione:4-6 Giorni Supports Arduino mainboard power supplyFor all the DIY keebfans in the house here is a super sleek and sturdy 2 Key Aluminum Keypad Shell in Black, the perfect base to begin your custom keypad project. You provide the PCB in the housing and bolt it into this base. Makes for a prettier build with more protection than just layers of PCB or acrylic. While it's designed for a custom PCB, you could also just snap in 2 keys and 'free wire' them. Comes with one anodized black aluminum enclosure