RAMPS 1.4 3D Printer: Bluetooth Setup 1, Voltage Divider and Wiring

The RAMPS 1.4 3D printer controller is capable of using a Bluetooth module to connect to the host. However, the most common Bluetooth adapters use logic. Since the RAMPS uses 5v logic, a voltage divider is required to protect the Bluetooth adapter from damage. Luckily this only costs around $1 and takes a few minutes to make. This short video shows construction and wiring of the voltage divider used to safely connect the RAMPS 1.4 3D printer module to an HC-05/HC-06 bluetooth module in order to enable