Pepermoot
About the Pepermoot PCB
Pepermoot is an open source ESP32 PCB design by robbertvdzon, published on GitHub. It is a 2-layer board measuring 109 × 136.5 mm, with 16 components from 12 distinct parts.
Its main chip is the ESP32-DevKitC, from the ESP32 family. Other key parts include the Pololu_Breakout_DRV8825. By type, the board carries 5 connectors, 4 resistors, 3 diodes, 2 capacitors, 1 IC and 1 module.
Main components on the Pepermoot
Pepermoot bill of materials (BOM)
16 components, 12 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESP32-DevKitC | ESP32-DevKitC | U2 |
| 1 | Pololu_Breakout_DRV8825 | Pololu_Breakout-16_15.2x20.3mm | A1 |
| 1 | Power | TerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_Horizontal | J3 |
| 1 | Dispenser motor | TerminalBlock_Phoenix_MKDS-1,5-4-5.08_1x04_P5.08mm_Horizontal | J4 |
| 1 | Extra | TerminalBlock_Phoenix_MKDS-1,5-4-5.08_1x04_P5.08mm_Horizontal | J7 |
| 1 | Pul motor | TerminalBlock_Phoenix_MKDS-1,5-5-5.08_1x05_P5.08mm_Horizontal | J8 |
| 1 | End switch (1,2) , Servo (3,4,5) | TerminalBlock_Phoenix_MKDS-1,5-5-5.08_1x05_P5.08mm_Horizontal | J9 |
| 3 | LED | LED_D5.0mm | D1, D2, D3 |
| 1 | 1000uF/35V | CP_Radial_D10.0mm_P5.00mm | C1 |
| 1 | 470uF/10V | CP_Radial_D10.0mm_P5.00mm | C2 |
| 3 | R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3 |
| 1 | 10k | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R4 |
Pepermoot design files
The KiCad project lives in the robbertvdzon/pepernotenmachine repository on GitHub; these links point at the commit this page was built from.
Pepermoot: common questions
What microcontroller does the Pepermoot use?
The Pepermoot is built around the ESP32-DevKitC, from the ESP32 family.
How big is the Pepermoot PCB?
The Pepermoot measures 109 × 136.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Pepermoot?
16 components, from 12 distinct parts. The full bill of materials is listed on this page.
Where can I download the Pepermoot design files?
From the robbertvdzon/pepernotenmachine repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Pepermoot design in my own project?
The repository has no license, so all rights stay with robbertvdzon. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Pepermoot 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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