What is the Tarangify T-CORE-S3-24V?
The T-CORE-S3-24V is a compact, feature-packed ESP32-S3 development board designed and manufactured in India by Tarangify. It is built for engineers, makers, and product developers who need a reliable IoT platform that goes beyond what a standard DevKit offers — more power flexibility, more on-board features, and a form factor that works in real deployments, not just on a desk.
At its core is the ESP32-S3-WROOM-1 (N16R8) module — 16MB Flash and 8MB PSRAM — with WiFi and BLE 5.0 built in. Around it, Tarangify has added every feature a real-world IoT project demands, all on a 40mm × 64mm board.
Why T-CORE-S3-24V vs a Regular ESP32 DevKit?
Key Features in Detail
Technical Specifications
| Parameter | Details |
|---|---|
| MCU | ESP32-S3-WROOM-1 (N16R8) |
| Flash / PSRAM | 16MB / 8MB |
| Wireless | WiFi 802.11 b/g/n + BLE 5.0 |
| Input Voltage | DC 5V to 28V |
| Reverse Protection | Yes — built-in battery reverse guard |
| USB | Type-C (Burn + Debug) |
| SD Card | microSD SPI — DAT IO13, CLK IO12, CMD IO11, CD IO10 |
| RGB LED | WS2812B on IO48 |
| Power LED | Yes |
| Buttons | Reset · Boot · IO41 user button |
| On/Off Switch | Yes |
| Regulated Outputs | 3.3V + 5V on pinheader |
| GPIO | 40+ on dual 2.54mm pinheader |
| PCB Size | 40mm × 64mm |
| Version | V1.1 |
| HSN Code | 85340000 |
| GST Rate | 18% |
| Designed In | India — Tarangify |
Pinout Reference
| Pin | Function | Pin | Function |
|---|---|---|---|
| EN | Enable / Reset | IO1 | GPIO |
| IO4 | GPIO | IO2 | GPIO |
| IO5 | GPIO | TXD | UART TX |
| IO6 | GPIO | RXD | UART RX |
| IO7 | GPIO | IO42 | GPIO |
| IO15 | GPIO | IO41 | User Button |
| IO16 | GPIO | IO40 | GPIO |
| IO17 | GPIO | IO39 | GPIO |
| IO18 | GPIO | IO38 | GPIO |
| IO8 | GPIO | IO37 | GPIO |
| IO3 | GPIO | IO36 | GPIO |
| IO46 | GPIO | IO35 | GPIO |
| IO9 | GPIO | IO0 | Boot |
| IO10 | SD CD | IO45 | GPIO |
| IO11 | SD CMD | IO48 | WS2812B RGB |
| IO12 | SD CLK | IO47 | GPIO |
| IO13 | SD DAT | IO21 | GPIO |
| 3V3 | 3.3V Output | IO14 | GPIO |
| 5V | 5V Output | GND | Ground |
| VIN | 5V–28V Input | GND | Ground |
What is in the Box
- 1x Tarangify T-CORE-S3-24V Development Board (V1.1)
- 1x GST Tax Invoice
Getting Started
- Install Arduino IDE with ESP32-S3 board support package
- Select board: ESP32S3 Dev Module in Arduino IDE
- Connect via Type-C USB — board appears as a COM port automatically
- Hold Boot and press Reset to enter download mode if needed
- Power via USB (5V) or VIN terminal (5V to 28V)
- WS2812B RGB on IO48 — use FastLED or Adafruit NeoPixel library
- SD card — use SD.h library with SPI pins IO10–IO13
Applications
- Industrial IoT nodes on 12V or 24V panel power
- Smart home and building automation
- Field data loggers with SD card storage
- Wireless BLE or WiFi sensor nodes
- Edge AI and voice assistant projects
- Audio playback systems
- Automotive and vehicle telematics
- Custom carrier board development
Not Suitable For
- Input above 28V — exceeds onboard regulator rating
- Direct 230V AC input — use an SMPS
- Applications drawing more than 500mA continuous from 3.3V rail
FAQ
Q: Can I power this board directly from a 24V industrial SMPS? Yes. The VIN terminal accepts DC 5V to 28V directly — no external converter needed.
Q: Is reverse polarity protection included? Yes. Built-in reverse polarity protection prevents damage from accidental wrong battery connection.
Q: What IDE is supported? Arduino IDE with ESP32-S3 board package and ESP-IDF both work fully.
Q: Can USB and VIN be connected at the same time? Yes. The board handles dual power input safely without any damage.
Q: What library is used for the WS2812B RGB LED? FastLED or Adafruit NeoPixel library — IO48, single LED.
Q: What SD card format is supported? FAT32 formatted microSD. SPI mode with IO13 DAT, IO12 CLK, IO11 CMD, IO10 CD.
Q: What is the IO41 button for? IO41 is a general purpose user button — configure it in firmware for any function such as deep sleep wake, mode toggle, or user input.
Q: Is a GST invoice provided? Yes. A valid GST tax invoice with HSN code 85340000 is included with every order.
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