HardLabs

TI-84-GPT-HACK

ChinesePrince07·TI-84-GPT-HACK·pcb/cheating-calc.kicad_pcb

TI-84-GPT-HACK PCB layout, top view — open source ESP32 board by ChinesePrince07
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About the TI-84-GPT-HACK PCB

TI-84-GPT-HACK is an open source ESP32 PCB design by ChinesePrince07, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 72 × 22 mm, with 8 components from 4 distinct parts.

Its main chip is the MOUDLE-SEEEDUINO-XIAO-ESP32C3, from the ESP32 family. By type, the board carries 4 resistors, 2 transistors, 1 IC and 1 connector.

It belongs with the iot & wireless designs in this gallery.

From the project

A mod that gives your TI-84 Wi-Fi, ChatGPT, and the ability to disappoint your math teacher in ways never thought possible. Original idea by Chromalock, reconstructed by myself after his repo is taken down.

- Ask an OpenAI-compatible model questions with persistent chat sessions - Page long text responses on the calculator screen - Connect through a phone-friendly captive portal, including WPA2-Enterprise networks - Scan and select nearby Wi-Fi networks from the calculator - Download calculator programs and 96×63 monochrome images - Update both ESP32 firmware and the calculator launcher over the air - Serve a built-in AP Physics C E&M reference without a network request - Run GPT-backed physics and math prompts - Expose a Telnet serial monitor over the local network - Sleep after two minutes of…

TI-84-GPT-HACK, from the project README
From the project README

Main components on the TI-84-GPT-HACK

MOUDLE-SEEEDUINO-XIAO-ESP32C3

TI-84-GPT-HACK bill of materials (BOM)

8 components, 4 distinct parts.

QtyPartRefs
1
MOUDLE-SEEEDUINO-XIAO-ESP32C3
U1
2
MMBF170
Q1, Q2
1
Conn_01x04
J1
4
R
R1, R2, R3, R4

TI-84-GPT-HACK design files

The KiCad project lives in the ChinesePrince07/TI-84-GPT-HACK repository on GitHub; these links point at the commit this page was built from.

TI-84-GPT-HACK: common questions

What microcontroller does the TI-84-GPT-HACK use?

The TI-84-GPT-HACK is built around the MOUDLE-SEEEDUINO-XIAO-ESP32C3, from the ESP32 family.

How big is the TI-84-GPT-HACK PCB?

The TI-84-GPT-HACK measures 72 × 22 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the TI-84-GPT-HACK?

8 components, from 4 distinct parts. The full bill of materials is listed on this page.

Where can I download the TI-84-GPT-HACK design files?

From the ChinesePrince07/TI-84-GPT-HACK repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the TI-84-GPT-HACK design in my own project?

Yes, under the terms of its GPL-3.0 license, which ChinesePrince07 chose for the repository.

Can I test firmware for the TI-84-GPT-HACK 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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