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Std edition ESP32 BOARD V3

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License: Public Domain

Project source: Cloned from ESP32 BOARD V2

Published Time: 2022-07-27 23:17:27
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Description

Card based to ESP32 Wroom 32D

Micro USB Interface Power & Serial 2.2 Inch ( 240x230 ) Color LCD Screen Micro SD Card Reader ( SPI ) 3.7v LiPo Battery Port Real Time Clock ( I2C ) Reset Button Selection button x 4 ( I2C over I2C GPIO Extender) External Reset Port ( SWITCH ) External Analogic Input X 2 External Optocoupled Digital Input X 4 External Optocoupled Digital Output X 4 External I2c Port X 4

design drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity
1 BAT-HLD-001 B1 BAT-HLD-001 1
2 KMR231GLFS B_SWR,B_SW0,B_SW1,B_SW2,B_SW3 KMR231GLFS 5
3 10uF C1,C3,C4,C5,C7,C16,C18,C19,C17 C603 9
4 1uF C2,C6 C603 2
5 MBR120LSFT3G D1 SOD-123 1
6 Header 2.54 1x2 J_LIVE,J_RST,U6 HEADER 2.54 1X2 3
7 LTST-C190TBKT LED1,LED7,LED8,LED9,LED10 LED-0603 5
8 LTST-C190KRKT LED2,LED3 LED-0603 2
9 LTST-C190KGKT LED4,LED5 LED-0603 2
10 LTST-C190KFKT LED6 LED-0603 1
11 DMG3415U-7 Q1 SOT23 1
12 MMBT2222ALT1G Q2,Q4,Q5 SOT23 3
13 100K R1,R2,R8,R9 R0603 4
14 1K R3,R6,R7,R10,R11,R12,R20,R25,R26,R41,R42 R0603 11
15 10K R5,R16,R17,R19 R0603 4
16 4.7K R13,R14,R15 R0603 3
17 10 R21,R22,R23,R24 R0603 4
18 DS1339C-33# RTC SOIC-16 1
19 503182-1852 SD1 503182-1852 1
20 SSSS812201 SW2 SSSS812201 1
21 AP2112K-3.3TRG1 U1 SOT-25-5 1
22 MCP73831T-2ATI/OT U2 SOT-23-5 1
23 CP2104-F03-GM U3 QFN-24_4X4X05P 1
24 ESP-WROOM-32 U4 ESP-WROOM-32 1
25 TM022HDH26 U15 TM022HDH26 1
26 538-105017-0001 USB1 105017-0001 1
27 HEADER 2.54 1x3 ANA36,ANA39 HEADER 2.54 1X3 2
28 Header 2.54 1x8 J_IN,J_OUT HEADER 2.54 1X8 2
29 ACPL-247-500E OPT_IN,OPT_OUT SO-16 2
30 510 R4,R18,R27,R28,R29,R30,R31,R32,R33,R34,R35,R36,R37,R38,R39,R40 R0603 16
31 HEADER 2.54 1X4 U7,U8,U9,U10 HEADER 2.54 1X4 4
32 PCA9536D U_TOUCH_COM SOIC-8 1

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