TinyS3 is the latest in our super popular range of "Tiny" development boards.
It's packed with amazing features and peripherals, wireless connectivity and stacks of Flash and PSRAM, all in the same tiny package size as the original TinyPICO!
- Dual 32bit Xtensa LX7 cores @ up to 240Mhz
- RISC-V Ultra Low Power Co-processor
- 2.4GHz Wifi - 802.11b/g/n
- Bluetooth 5, BLE + Mesh
- 8MB QSPI Flash
- 8MB of extra QSPI PSRAM
- 700mA 3.3V LDO Regulator
- Low power RGB LED
- ULTRA LOW Deep Sleep Current
- USB-C Connector with back-feed protection
- Native USB + USB Serial JTAG
- LiPo Battery Charging
- JST pads on the back supports PH connector
- VBAT and 5V Sense Pins
- 3D High Gain Antenna or u.FL connector<
- 17 GPIO
- Only 35 x 18mm in size
- Compatible with TinyPICO & TinyS2
Board Dimensions
35mm x 17.8mm
Max Thickness
4.3mm at the USB-C end
Board Comparison Matrix
TinyS3
TinyS2
TinyPICO
MCU
ESP32-S3FN8
ESP32-S2FN4R2
ESP32-PICO-D4
Cores
2x Xtensa LX7
1x Xtensa LX7
2x Xtensa LX6
Speed
Up to 240Mhz
Up to 240Mhz
Up to 240Mhz
ULP CoProc
1x RISC-V, 1x FSM
1x RISC-V, 1x FSM
1x FSM
SRAM
512K
320K
520K
FLASH
8MB
4MB
4MB
PSRAM
8MB
2MB
4MB
GPIO
17
17
14
Native USB
CDC, OTG & USB Serial JTag
CDC & OTG
-
USB Conn
USB-C
USB-C
USB-C & Micro-B
WiFi
2.4Ghz b/g/n
2.4Ghz b/g/n
2.4Ghz b/g/n
Bluetooth
BLE 5 & Mesh
-
BT Classic & BLE 4.2
DAC
-
2x 8bit
2x 8bit
ADC
2x 12-bit SAR /20 chan
2x 12-bit SAR /20 chan
1x 12-bit SAR /18 chan
UARTs
3
2
3
ETH MAC
-
Yes
Yes
DMA Cont
5x TX chan, 5x RX chan
-
-
SDIO
Yes
-
Yes
Release Date
Feb 2022
July 2021
May 2019
Pinout Comparison Matrix
Platforms
Please check out the new PLATFORMS area of the Getting Started guide to find out all about developing for your new board in a range of different languages!
Downloads
This is where you can find download links for TinyS3 specific things like the Schematic, 3D model, KiCAD footprint and more!
TinyS3 Schematic
github
The Unexpected Maker ESP32-S3 github Repo includes the following items:
- 3D STEP file for the TinyS3
- KiCAD 6 symbol file for the TinyS3 that you can use when integrating one of them into one of your PCB designs
- KiCAD 6 footprint file for the TinyS3
- PDF Schematic for the TinyS3
- Hi-res pinout reference card for the TinyS3
- Helper libraries for Arduino, CircuitPython and MicroPython
ESP32-S3 Datasheet
If you need more detailed information about the ESP32-S3, including full IO capabilities and other functionality, please refer to the ESP32-S3 Datasheet from Espressif.