Display
About the Display PCB
Display is an open source ESP32 PCB design by bullestock, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 43.9 × 44.5 mm, with 17 components from 11 distinct parts.
Its main chip is the ESP32-WROOM-32U, from the ESP32 family. Other key parts include the CH340C and AMS1117-3.3. By type, the board carries 6 capacitors, 3 ICs, 2 transistors, 2 connectors, 2 switches and 2 resistors.
It belongs with the displays & leds designs in this gallery.
From the project
Rewrite of Access Control System in Django
Main components on the Display
Display bill of materials (BOM)
17 components, 11 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESP32-WROOM-32U | ESP32-WROOM-32 | U1 |
| 1 | CH340C | SOIC-16_3.9x9.9mm_P1.27mm | U2 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U3 |
| 2 | MMBT3904 | SOT-23 | Q1, Q2 |
| 1 | Conn_01x04 | JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J1 |
| 1 | Conn_02x17_Odd_Even | PinHeader_2x17_P2.54mm_Vertical | J2 |
| 2 | SW_SPST | SW_SPST_CK_RS282G05A3 | SW1, SW2 |
| 1 | 10u | C_0805_2012Metric | C1 |
| 4 | 100n | C_0603_1608Metric | C2, C3, C4, C5 |
| 1 | 47u | CP_EIA-7343-43_Kemet-X | C6 |
| 2 | 10K | R_0603_1608Metric | R1, R2 |
Display design files
The KiCad project lives in the bullestock/acsv2 repository on GitHub; these links point at the commit this page was built from.
Display: common questions
What microcontroller does the Display use?
The Display is built around the ESP32-WROOM-32U, from the ESP32 family.
How big is the Display PCB?
The Display measures 43.9 × 44.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Display?
17 components, from 11 distinct parts. The full bill of materials is listed on this page.
Where can I download the Display design files?
From the bullestock/acsv2 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Display design in my own project?
Yes, under the terms of its GPL-3.0 license, which bullestock chose for the repository.
Can I test firmware for the Display 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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