W3230 12V Digital Temperature Controller Module with NTC Sensor TP223 Touch Sensor Switch Module TTP224N-BSB is a widely used

TTP224N-BSB is a widely used 4-channel capacitive touch chip with up to 4 touch input ports and 4 direct output ports

Battery charging modules and circuits

Product Spacers / Standoff Type Male to Female Thread Thread Size M3 Material Brass Quantity 1 Male Spacer Size 5mm  Female Space Size 15mm

Brown for these 510K resistors

W3230 12V Digital Temperature Controller Module with NTC Sensor TP223 Touch Sensor Switch Module TTP224N-BSB is a widely usedW3230 12V Digital Temperature Controller Module is a programmable thermostat designed for accurate temperature monitoring and control in heating and cooling applications. Equipped with a digital LED display and waterproof NTC temperature sensor, the module allows users to set upper and lower temperature limits for automatic device control. Its compact design, simple operation, and reliable performance make it suitable for incubators, aquariums,