This block is powerful. It is the ultimate switch to power up your inventions. You can use it to make a tune on a Buzzer, turn it to a smart doorbell or build an instant pizza button.
This block is powerful. It is the ultimate switch to power up your inventions. You can use it to make a tune on a Buzzer, turn it to a smart doorbell or build an instant pizza button.
Each wireless block has a Bluetooth chip and rechargeable battery inside it. Simply recharge your block with a Micro USB Charging Cable. Bluetooth Dongle for laptop and charging cables not included.