Multiport Temperature Monitoring and PWM Control Board
Description: ESP32 processor (ESP32-D0WD-V3) with 4 MB flash memory with multiple use cases one being temperature based control of multiple PC style PWM fans.
Size: 84mm x 44mm with 2mm mounting holes
Processor: ESP32 on ESP32-WROOM-E module.
Power Input: 12v @3 amps max via 5.5mm x 2.1mm barrel or 5v via USB-C connector.
On Board Regulation: 5v @2 amps switching regulator, 3.3v @800 milliamps.
Interfaces: One 5v tolerant input (1k pullup) and one 5v driven output, with 12V power and ground on four, four pin Molex KK series connectors. Compatible with most PWM PC style fans with speed return. Of course other use cases for these interfaces are available.
Three screw down three position headers with common one-wire interface as well as 3.3v power and ground.
USB 2.0 via USB-C connector.
Standard WEMOS daughter interface on two 1x8 pin headers.