The PIC microcontroller minimum system board / universal programmer seat, dual-function board, user-friendly development, support all PIC microcontroller line package. Board size: 106*52mm double-panel.
The HW-040 Rotary Encoder Module is a device that generates an electrical signal based on how much the rotary input device (knob) is rotated and the direction it is rotating
The YX850 Power Failure Automatic Switching Standby Battery Lithium Battery Module DC5V-48V Emergency Converter. It is an automatic switching module. When the battery is dead or there is a problem with the battery, it is powered by the power supply.