A B C D 1 2 3 4 5 6 7 8 INA1 IN+ IN- GND Vs A1 A0 SDA SCL INA219 0x41 SDA SCL GND 3V3 1 2 3 4 1 2 3 4 U1 S S S G D D D D AO4407A U5 S S S G D D D D AO4407A 8 7 6 5 8 7 6 5 5 6 7 8 5 6 7 8 U2 D D D D G S S S AO4407A U6 D D D D G S S S AO4407A 4 3 2 1 4 3 2 1 R14 1K C8 104 C9 104 GND 3V3 C1 104 GND CN1 DC023 1 3 2 R2 0.1R 1% 2512 EB+ R4 5.1K R5 1M EB- GND 4 3 2 1 4 3 2 1 G S S S U3 G AO4407A S S S U4 AO4407A D D D D D D D D 5 6 7 8 5 6 7 8 R6 5.1K U8 COP VMP DOP VINI CDT CCT VSS NC 1 2 3 4 5 6 7 8 S-8254AA VDD VC1 VC2 VC3 VC4 CTL SEL NC 16 15 14 13 12 11 10 9 C3 C4 C5 C6 104 104 104 2.2uF R13 1K BAT1 R8 R9 R11 R12 1K 1K 1K 1K R15 51R R18 0.1R 2512 R3 100R C2 104 R10 100R C7 104 R17 100R C10 104 1 2 3 1 2 3 1 2 3 U7 NC OUT VDD VSS NC NC HY2213-BB3A U9 NC OUT VDD NC VSS NC HY2213-BB3A U10 NC OUT VDD NC VSS NC HY2213-BB3A 6 5 4 6 5 4 6 5 4 R1 62R Q1 SI2302 R7 62R Q2 SI2302 R16 62R Q3 SI2302 U11 EB+ 1 3 S1 1 2 2 3 SS-12D06 12VCC C11 C12 C13 R19 100K 10uF 10uF 104 GND GND GND High EN R20 5K1 C23 1.5nF C24 100nF GND GND U12 APW7313 VCC OUT EN BST COMP SS GND EPAD FB 2 7 6 8 4 9 3 1 5 4.7uH/3A L1 5V R21 68K * C18 C15 100uF 10uF C19 100uF C14 10nF R1 * R2 R25 15K Vout=0.925x(1+R1/R2) GND GND Active Area 0.91'' 128*32 Pixels M96-16-SSD1306 P 2 C N 2 C P 1 C N 1 C T A B V F E R B V S S V D D V S E R L C S A D S F E R I H M O C V C C V 1 2 3 4 5 6 7 8 9 C16 1uF C17 1uF 3V3 3 V 3 GND C25 C26 4.7uF 104 GND R26 4.7K 3V3 2 1 3 1 4 1 0 1 L C S 1 1 A D S R22 R23 R24 C20 C21 C22 4 . 7 K 4 . 7 K 5 6 0 K 2 . 2 u F 4 . 7 u F 1 0 4 3V3 GNDGNDGND D1 IN4148 C27 4.7uF GND 12VCC C28 100uF C30 10uF C32 104 C34 100uF GND H2 2 1 Header 2 H1 2 1 Header 2 AO1 AO2 BO2 BO1 1 2 3 4 5 6 7 8 9 10 11 12 AO1 AO1 PGND1 PGND1 AO2 AO2 BO2 BO2 PGND2 PGNG2 BO1 BO1 TB1 VM1 PMMA AIN2 AIN1 Vcc STBY GND BIN1 BIN2 PWMB VM3 VM2 24 23 22 21 20 19 18 17 16 15 14 13 S7 S6 S5 S2 S1 S0 GND 3V3 C33 104 GND aveshareW C29 104 3V3 SDA SCL 3V3 GND GND GND S0 S1 S2 S3 S4 S5 S6 S7 PCA1 A0 A1 A2 A3 A4 LED0 LED1 LED2 LED3 LED4 LED5 LED6 LED7 Vss 1 2 3 4 5 6 7 8 9 10 11 12 13 14 GND PCA9685 VDD SDA SCL EXTCLE A5 OE LED15 LED14 LED13 LED12 LED11 LED10 LED9 LED8 28 27 26 25 24 23 22 21 20 19 18 17 16 15 C31 104 3V3 SDA SCL GND GND GND H3 3 2 1 Header 3 PWM 5V GND PCA2 A0 A1 A2 A3 A4 LED0 LED1 LED2 LED3 LED4 LED5 LED6 LED7 Vss 1 2 3 4 5 6 7 8 9 10 11 12 13 14 VDD SDA SCL EXTCLE A5 OE LED15 LED14 LED13 LED12 LED11 LED10 LED9 LED8 28 27 26 25 24 23 22 21 20 19 18 17 16 15 GND PCA9685 3V3 SDA SCL Header1 1 3 5 2 4 6 Header 3X2 5V 5V GND 3V3 SDA SCL Header2 1 3 5 2 4 6 Header 3X2 5V 5V GND 1 2 3 4 5 6 7 8 A B C D