5V input max 605mA Max 600mA LN2403 Max 1400mA Infrared LED Sensor-input 5mA LDR 3.3V input 100mA UART/I2C/NFC/LED 

Sensor to Light MIC_IN [2] MIC_IN [3] LED_light/GPIO2_3 PWM0 [3] LED_light/GPIO2_3 PWM0 J8 2x6_1.27mm 1 3 5 7 9 11 P01 P03 P05 P07 P09 P11 CONN_2X6 2 4 6 8 10 12 P02 P04 P06 P08 P10 P12 5V_MAIN R1 R0603 TP16 C 2 C1 C0603 AC_MICBIAS1 AC_MICBIAS1 [2] 3V3_PER C5 C0603 J3 1 7M1 1 1 2 2 3 3 4 4 5 5 6 6 8 M2 CONN1X6-1P25-SMD 1 2 3 4 5 1 O / I 4 C N 0 1 2 O / I D N G 3 C N D N G 4 O / I 2 C N 5 O / I 1 C N 9 8 7 6 AZ1045-04F DFN2510P10E R3 R4 R5 R6 22_NC D1 AZ1045-04F_NC I2C2_SDA I2C2_SCL 3V3_PER C795 C0603 D34 GPIO5_1/UART4_TXD [3] [1] PWM0 PWM0 R901 1 B R902 Q2 3 C E 2 GPIO5_0/UART4_RXD I2C2_SDA I2C2_SCL GPIO5_1/UART4_TXD Sensor to Light J2 2x5_1.27mm 1 3 5 7 9 P01 P03 P05 P07 P09 2 4 6 8 10 P02 P04 P06 P08 P10 CONN_2X5 CON-2X5-1P27-DIP 2x5_1.27mm 1 2 U2 VIN+ 2 3 3 MLT-5020 MLT-5020 GPIO5_1/UART4_TXD GPIO5_0/UART4_RXD R2 LSADC_CH0 [3] 3V3_PER C 4 C 3 TP17 TP18 TP19 FIDU-1.0-2.4 MARK1 FIDU-1.0-2.4 MARK2 FIDU-1.0-2.4 MARK3 FIDU-1.0-2.4 MARK4 3V3_PER C6 C0603 3V3_PER R12 2K2_NC R13 2K2_NC R14 R15 R0402 R0402 I2C2_SDA I2C2_SCL C7 C8 47pF_NC C0402 47pF_NC C0402 J5 1 5M1 1 2 3 4 M2 1 2 3 4 6 CONN1X4-1P25-SMD 3V3_PER C796 10uF/6.3V C0603 3V3_PER R905 2K2_NC R906 2K2_NC R903 R904 47 47 R0402 R0402 I2C2_SDA I2C2_SCL C797 C798 47pF_NC C0402 47pF_NC C0402 J4 1 5M1 1 2 3 4 M2 1 2 3 4 6 CONN1X4-1P25-SMD HOLE1 HOLE2 HOLE3 HOLE4 MM4P2_L2 MM4P2_L2 MM4P2_L2 MM4P2_L2 Designed: Designed: Designed: Name Name Name Project Project Project Title Title Title Reviewed: Reviewed: Reviewed: Name Name Name Hi3516DV300-LIGHT Hi3516DV300-LIGHT Hi3516DV300-LIGHT B TO B B TO B B TO B S i z e ： S i z e ： S i z e ： A3 A3 A3 Date: Date: Date: Wednesday, August 12, 2020 Wednesday, August 12, 2020 Wednesday, August 12, 2020 Sheet Sheet Sheet 1 1 1 o f o f o f 3 3 3 R ev R ev R ev B B B Jiangsu HopeRun Software Co., Ltd Jiangsu HopeRun Software Co., Ltd Jiangsu HopeRun Software Co., Ltd 

[1] AC_MICBIAS1 AC_MICBIAS1 R900 C 7 9 3 C 7 9 2 R 3 0 1 [1] MIC_IN MIC_IN MIC 1 2 OUTPUT GND C 7 9 4 D 3 3 2 1 Designed: Designed: Designed: Name Name Name Project Project Project Title Title Title Reviewed: Reviewed: Reviewed: Name Name Name Hi3516DV300 Hi3516DV300 Hi3516DV300 MIC MIC MIC Sheet Sheet Sheet 2 2 2 o f o f o f 3 3 3 R e v R e v R e v B B B S i z e ： S i z e ： S i z e ： A3 A3 A3 Date: Date: Date: Wednesday, August 12, 2020 Wednesday, August 12, 2020 Wednesday, August 12, 2020 Jiangsu HopeRun Software Co., Ltd Jiangsu HopeRun Software Co., Ltd Jiangsu HopeRun Software Co., Ltd 

LED [1] LED_light/GPIO2_3 LED_light/GPIO0_3 R17 1 B C9 d e l 3 C E 2 Q1 Green indicator light led R16 1 D4 2 LED0805 3V3_PER [1] GPIO5_1/UART4_TXD GPIO5_1/UART4_TXD R20 5V_MAIN C11 C12 C13 L1 SDM2520 R907 0/NC 4 1 2 U4 VIN CE/PWM GND LN2403 SOT-23-5L 3 5 LX FB C799 2.2uF/NC 1 1 C801 D5 LED3535 2 2 D6 LED3535 R21 Iout=0.1/R21 Infrared LED LDR 3V3_PER 2 1 VCC+ Vout- R22 R23 LSADC_CH0 [1] Designed: Designed: Designed: Name Name Name Project Project Project Title Title Title Reviewed: Reviewed: Reviewed: Name Name Name Hi3516DV300 Hi3516DV300 Hi3516DV300 Light Light Light S i z e ： S i z e ： S i z e ： A3 A3 A3 Date: Date: Date: Wednesday, August 12, 2020 Wednesday, August 12, 2020 Wednesday, August 12, 2020 Sheet Sheet Sheet 3 3 3 o f o f o f 3 3 3 R ev R ev R ev B B B Jiangsu HopeRun Software Co., Ltd Jiangsu HopeRun Software Co., Ltd Jiangsu HopeRun Software Co., Ltd