Fan circuit board and control board; 9V booster fan control panel; Power control panel; Handheld fan circuit board; Handheld fan PCBA

2021-11-24 09:26:25 fandoukeji

Fan circuit board and control board; 9V booster fan control panel; Power control panel; Handheld fan circuit board; Handheld fan PCBA

Customized processing of frontal temperature gun, body temperature gun and PCBA

Product Name: fan circuit board control board; 9V booster fan control panel; Power control panel; Handheld fan circuit board; Handheld fan PCBA

Input Voltage 5V; Battery voltage 3.7V; Fan voltage 9V

Input charging circuit to charge the battery (with battery protection circuit); Boost to 9V to supply power to the fan

Three gears control fan speed; With current power display

Main technology: adopt the boost technology chip with stable performance; Charging protection circuit; MCU programming program control; Mature circuit

Application: various DC fan control; portable battery; portable source

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