Geekworm Programmable Smart Temperature Control Fan And Power Expansion Board + Acrylic Case + Copper Heat Sink Kit For Raspberry Pi 3 / 2B / B+

Descriptions: This smart fan and power expansion board Kits is designed for DIY geeker, especially for Raspberry Pi lover, compatible with Raspberry Pi 3 / 2B / B+ Features: 1. Width voltage input: 6V~14V' With power switch 2. Output: DC 5V Max.4A with two channel outputs: OUT1 for external device such as servo, motor, robots, mechanical arm, intelligent card etc. (output interface: HT3.96);Max current is 2A, and can be programmed via GPIO programing to control the output of power supply; please refer to SAMPLE CODE 1; OUT2 (GPIO output for raspberry pi);Max current is up to 4A if the OUT1 be closed; CAN'T be programming control, it will be output to raspberry pi directly if the switch be turned on; 3. Built-in temperature sensor, with active cooling fan, you can control flexibly the ON/OFF of mini fan via I2C command and GPIO programming. please refer to SAMPLE CODE 2; Temperature range and accuracy: -25 ~ + 100 when the 2 -55 ~ +125 when the 3 4. Cooling Fan can be replaced, please refer to FAN SPECIFICATIONS; 5. Standard HAT size; Fan Specification: Side length is 30mm; Thickness is 7mm; PS: the thickness is not more 8m More detail and SAMPLE CODES please refer to WIKI Package Included: 1 x Smart Fan & Power Expansion board 1 x Cooling fan(with scews) 1 x HT3.96-2P Male head 1 x Arcylic Case (Top and bottom acrylic panel) 1 x Copper heat sink (14mm*14mm) 1 x Install screws pack