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CSH-B22RGB10W
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== Hardware == The bulb is a bayonet mount, B22. The bulb label has the following written on it: * LSH-B22RGB10W; * CSH-B22RGB10W * Input: 220-240VAC, 50/30Hz * Output: 10W * Wi-Fi: 2.4GHz * Batch No.2002672 * www.laserco.com.au The power PCB has the following features: * 240V AC input * 340V DC rectifier * 12V output using a capacitive dropper * GND, 12V and VIN output pins * VIN is supplied by the 340V DC source The main PCB has the following features: * The label 'MK-A85(wifi)-44amd2836-dlx01 (HY)20/33'. The A8 is hard to read and possibly wrong * The label '30903772 2020-5-18'. The 9 is hard to read and possibly wrong * A 3 pin connector labelled VIN, GND and 12V. This connects to the power PCB * An 8 pin connector labelled in anti-clockwise order: GND, 12V, unlabelled, B, R, G, W, C. This connects to the Wi-Fi PCB * 4 groups of R, G and B LEDs * 16 C LEDs * 16 W LEDs * A KP18055ESP chip connected between the 8 pin connector's C and W pins and the C and W LEDs The Wi-Fi PCB has the following features: * An 8 pin connector labelled in anti-clockwise order. It is unlabelled and connects to the main PCB * A 3.3V voltage regulator that seems to be a switching power supply * The WB2L chip with 7 pins: 3.3V, GND, PWM4, PWM5, PWM0, PWM1, PWM2 * A sticker label with the text 'Model: WB26 P/N: 30904213 S/N: 100003493012FB' and the serial number as a QR code * A BP1633 chip connected between the WB2L chip's PWM4, PWM5 and PWM0 signals and the 8 pin connector's B, G and R pins *The PWM1 and PWM2 signals connect to the 8 pin connector's W and C pins The RGBCW signals are laid out like this: * The WB2L's PWM4, PWM5 and PWM0 signals drive the B, G and R LEDs via the BP1663 chip * The WB2L's PWM1 and PWM2 signals drive the W and C LEDs via the KP18055ESP chip
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