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Upper right: phototransistor's collector
respectively
VCC and GND
Designed for unstabilized motor supply voltage
Communication is through a standard I2C-compatible interface
Battery Charger (2 AA,2AAA, 9 V) 74192 Upper right: phototransistor's collectorIntroduction : This Battery Charger is suitable for charging both AA AAA 9V rechargeable batteries with 2 LEDs indicator light, the light color is red during charging status. The batteries will not be overcharged. Features : Output : DC1. 4V : AA 120mA DC 9. 0V : 30mA Charge (2 AA,2AAA, 9 V).
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