This CPU board is for use with ESP-PROG.Since the writing circuit of ESP-PROG is used, it is a simple circuit.The power supply circuit and reset circuit were implemented.I2C level shifter (to 5V) can also be installed.*CPU: ESP32-WROOM-32E or ESP32-WROVER-E*JTAG and Serial Connectors for ESP-PROG.(6P/10P)*I2C level shifter can use Shifter-IC or FET(2N7000) C1-C3: 22uF/10V C4-C6: 0.1uF/50V D1: LED(3mm Red) D2: LED(3mm Green) D3: 11EQS03L J1: Jack-DC J2,J3,J6,J18: JST_XH_B2B-XH-A J4: IDC-Header_2x05 J5: IDC-Header_2x03 J7,J8,J10,J11:JST_XH_B6B-XH-A J9,J12-J17,J19-J23: JST_XH_B4B-XH-A R1,R2: 1K R3: 10K SW1 SW_Push U1: ADP3338AKCZ-3.3 U2: ESP32-WROOOM-32E / ESP32-WROVER-E*** Note.C1-C3: THT SMD(2012) can be mountWhen using I2C HUB, jumper J9 to J12.*** Select the level shifter from the following ****Level Shifter(Akiduki Densi Co. Japan) U3: AE-PCA9306*2N7000 Level Shifter Q1,Q2: 2N7000 R4-R7: 10K*PCA9517A U3: use SOP8->DIP adapter board. 0.1uF*2 VCC1->GND VCC2->GNDJP1-Short, JP2-Open(Cut)
