Another guide how to wire the HCo6 and 4 Channel Relay for switching, The HC06 modules uses BlueCore is a single chip radio and baseband IC for Bluetooth 2.4GHz system including enhance data rates (EDR) to 3Mbps. for more details
Wiring Push Button with RPI Driven by C-Code and Python
Push buttons are simple switch mechanism for controlling some aspect of a machine or a process. Buttons are typically made out of plastics, metal, carbons or rubber. The surface is usually flat or shaped to accommodate the human finger or
Wiring The Vibration Tilt Switch / Ball Tilt Switch with RPI
Another illustration how to control and wire the Rolling Ball Tilt Switch or Ball Sensor along with Raspberry Pi. Ball tilt switch allows you to detect an location or inclination they are small and easy to wired-up it use low