12V analog temperature-controlled TEC phone cooler: NTC sensor switches a TEC and fan at about 40°C using a comparator, with DC input protection and no MCU/firmware.
12V analog temperature-controlled TEC phone cooler: NTC sensor switches a TEC and fan at about 40°C using a comparator, with DC input protection and no MCU/firmware.
12V power distribution PCB: 50 mm × 100 mm board with one 5.5×2.5 mm DC input jack, four 5.5×2.1 mm DC output jacks, and four 3-pin fan connectors on a shared 12V/GND bus. Designed for 10A total input and 2A max per output connector.
High-current 12V to 5V robot power distribution PCB with XT60 battery input, inline fuse protection, switched 12V rail, 5V/5A buck regulation, dedicated outputs for Raspberry Pi, sensors, USB hub, fan, and motor power distribution.
