MakerFocus Raspberry Pi Power Expansion Board and Programmable Smart Temperature Control Fan and Acrylic Case and Copper Heat Sink Kits for Raspberry Pi 3 2B B+
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<b>[Product Information]</b><br>
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<li>More detail and SAMPLE CODES please refer to WIKI: http://www.raspberrypiwiki.com/index.php/Smart_Fan_and_Power_Expansion_Board; Width voltage input: 6V14V' With power switch.</li>
<li>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;</li>
<li>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.</li>
<li>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.</li>
<li>Temperature range and accuracy: -25 ℃ + 100 ℃ when the ± 2 ℃, -55 ℃ +125 ℃ when the ± 3 ℃.</li>
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