ESP32 Trainer V2.0
About the ESP32 Trainer V2.0 PCB
ESP32 Trainer V2.0 is an open source ESP32 PCB design by EmersonEE, published on GitHub. It is a 2-layer board measuring 100 × 70 mm, with 53 components from 31 distinct parts.
Its main chip is the ESP32_DevKit_V1_DOIT, from the ESP32 family. Other key parts include the LM7805CT, AMS1117-3.3, PC817 and SSD1306. By type, the board carries 14 resistors, 10 connectors, 7 diodes, 6 transistors, 5 ICs and 5 capacitors.
Main components on the ESP32 Trainer V2.0
ESP32 Trainer V2.0 bill of materials (BOM)
53 components, 31 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM7805CT | TO-220-3_Vertical | U1 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U2 |
| 1 | ESP32_DevKit_V1_DOIT | ESP32_DEVKIT_V1_E32 | U3 |
| 1 | PC817 | DIP-4_W7.62mm_LongPads | U4 |
| 1 | SSD1306 | SSD1306 | U5 |
| 4 | 2N3904 | SOT-23W_BigPads | Q1, Q2, Q3, Q5 |
| 2 | BD139 | TO-126-3_Vertical_ECB | Q4, Q6 |
| 1 | VIM | BarrelJack_GCT_DCJ200-10-A_Horizontal | J1 |
| 1 | RELE | TerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_Horizontal | J2 |
| 1 | I2C | PinHeader_1x04_P2.54mm_Horizontal | J3 |
| 1 | UART | PinHeader_1x04_P2.54mm_Vertical | J4 |
| 1 | SPI | PinHeader_1x06_P2.54mm_Vertical | J5 |
| 1 | PINES | PinHeader_1x03_P2.54mm_Vertical | J6 |
| 1 | PINES | PinHeader_1x04_P2.54mm_Vertical | J7 |
| 1 | POWER | PinHeader_1x04_P2.54mm_Vertical | J8 |
| 2 | LOAD | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J9, J10 |
| 1 | Buzzer | Buzzer_12x9.5RM7.6 | BZ1 |
| 1 | SANYOU_SRD_Form_C | Relay_SPDT_SANYOU_SRD_Series_Form_C | K1 |
| 1 | 100K | Potentiometer_Bourns_3266Y_Vertical | RV1 |
| 2 | B1 | SW_PUSH_6mm | SW1, SW2 |
Show 11 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | RGB | LED_D5.0mm-4_RGB_Wide_Pins | LED1 |
| 3 | 1N4007 | D_SMA | D1, D2, D3 |
| 1 | LED_IND | LED_1206_3216Metric_Pad1.42x1.75mm | D4 |
| 1 | LED_OPTO | LED_D3.0mm | D5 |
| 1 | 1N4007 | D_DO-41_SOD81_P7.62mm_Horizontal | D6 |
| 1 | 1N4007 | D_SMA_BigPads | D7 |
| 5 | 100nF | C_Disc_D4.3mm_W1.9mm_P5.00mm | C1, C2, C3, C4, C5 |
| 9 | 1K | R_0805_2012Metric_Pad1.15x1.40mm | R1, R6, R8, R9, R10, R11, R12, R13 +1 |
| 3 | 330 | R_0805_2012Metric_Pad1.15x1.40mm | R2, R3, R4 |
| 1 | 200 | R_0805_2012Metric_Pad1.15x1.40mm | R5 |
| 1 | 2.2K | R_0805_2012Metric_Pad1.15x1.40mm | R7 |
ESP32 Trainer V2.0 design files
The KiCad project lives in the EmersonEE/My_KiCad repository on GitHub; these links point at the commit this page was built from.
ESP32 Trainer V2.0: common questions
What microcontroller does the ESP32 Trainer V2.0 use?
The ESP32 Trainer V2.0 is built around the ESP32_DevKit_V1_DOIT, from the ESP32 family.
How big is the ESP32 Trainer V2.0 PCB?
The ESP32 Trainer V2.0 measures 100 × 70 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the ESP32 Trainer V2.0?
53 components, from 31 distinct parts. The full bill of materials is listed on this page.
Where can I download the ESP32 Trainer V2.0 design files?
From the EmersonEE/My_KiCad repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the ESP32 Trainer V2.0 design in my own project?
The repository has no license, so all rights stay with EmersonEE. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the ESP32 Trainer V2.0 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.
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Earlier revisions in the repo: ESP32_Trainer
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