Geekworm Temperature Control Fan And Power Expansion Board + Acrylic Case + Copper Heat Sink Kit


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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+


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