HardLabs

Speed reader

lordbagel42·speed-reader

Speed reader PCB layout, top view — open source ESP32 board by lordbagel42

About the Speed reader PCB

Speed reader is an open source ESP32 PCB design by lordbagel42, published on GitHub. It is a 2-layer board measuring 115 × 28 mm, with 11 components from 5 distinct parts.

Its main chip is the XIAO-ESP32-C3-SMD, from the ESP32 family. By type, the board carries 4 switches and 4 diodes.

From the project

a shrimple Rapid Serial Visual Processing device

��# Speed Reader ![alt text](assets/RENDER.png) There's a term called Rapid Serial Visual Processing. Essentially, presenting just a single word at a time makes people read faster. This is that taken to the ultimate level! ![alt text](assets/explanation.png) # BOM | ITEM …

Speed reader bill of materials (BOM)

11 components, 5 distinct parts.

QtyPartRefs
1
Conn_01x02_Socket
BAT1
1
~
DISPLAY1
4
SW_Push
SW1, SW2, SW3, SW4
1
XIAO-ESP32-C3-SMD
XIAO1
4
1N4148WT
D1, D2, D3, D4

Speed reader design files

The KiCad project lives in the lordbagel42/speed-reader repository on GitHub; these links point at the commit this page was built from.

Speed reader: common questions

What microcontroller does the Speed reader use?

The Speed reader is built around the XIAO-ESP32-C3-SMD, from the ESP32 family.

How big is the Speed reader PCB?

The Speed reader measures 115 × 28 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Speed reader?

11 components, from 5 distinct parts. The full bill of materials is listed on this page.

Where can I download the Speed reader design files?

From the lordbagel42/speed-reader repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Speed reader design in my own project?

The repository has no license, so all rights stay with lordbagel42. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Speed reader 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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