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TinyPICO is the world's smallest fully-featured ESP32 development board, packing dual-core 240MHz processing, Wi-Fi, Bluetooth, and 4MB of PSRAM into a packa...

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TinyPICO is the world's smallest fully-featured ESP32 development board, packing dual-core 240MHz processing, Wi-Fi, Bluetooth, and 4MB of PSRAM into a package smaller than your thumb. This is the V2 USB-C edition with MicroPython pre-installed and ready to go.

Designed by UnexpectedMaker, every millimetre of this board has been optimised. It features a 700mA 3.3V regulator, onboard LiPo battery management, an APA102 RGB LED, and 14 GPIO pins — all while achieving as low as 20µA in deep sleep thanks to its isolated power path design.

Key Features

  • ESP32 Dual-Core 240MHz – Wi-Fi and Bluetooth connectivity built in
  • 4MB PSRAM – Extra memory for demanding applications
  • USB-C Connector – Modern, reversible USB connection
  • MicroPython Pre-Installed – Start coding immediately out of the box
  • Ultra-Low Deep Sleep – As low as 20µA for battery-powered projects
  • 700mA 3.3V Regulator – Plenty of current headroom for peripherals
  • Onboard Battery Management – LiPo charging and power path switching
  • APA102 RGB LED – Onboard addressable LED with power-down control via GPIO13
  • 14 GPIO Pins – Flexible I/O for sensors, displays, and actuators
  • Optimised Power Paths – Isolated 5V and 3.3V paths; USB-only components fully shut down on battery power

Ideal For

  • IoT projects requiring Wi-Fi/Bluetooth in a tiny form factor
  • Battery-powered wireless sensors and wearables
  • MicroPython and Arduino ESP32 development
  • Space-constrained embedded designs

Package Contents

  • 1× TinyPICO V2 ESP32 Board (USB-C, MicroPython pre-installed)
  • 1× Male Header Pins (unassembled)
  • 1× Stackable Headers
  • JST PH Battery Connector
  • 1× JST MicroBlade Battery Connector
Tip: The onboard APA102 RGB LED draws ~1mA quiescent current. Before entering deep sleep, use the TinyPICO helper library to properly shut down the LED via GPIO13. Simply pulling GPIO13 high is not sufficient — check the MicroPython or Arduino helper library for the correct procedure.

Jargon buster

Plain-language definitions for the technical terms used above.

3.3V regulator
A 3.3V regulator is a power circuit that provides a steady 3.3 volts for parts that need that supply voltage. On a breakout board, it can let the sensor run safely even when the connected microcontroller or power source uses a higher voltage.
deep sleep
Deep sleep is a low-power mode where the microcontroller turns off most functions while keeping just enough circuitry active to wake up later. It is important for battery-powered projects because it can greatly extend how long the device runs between charges.
ESP32
ESP32 is a family of microcontroller modules with built-in wireless features such as Bluetooth and WiFi. Knowing this product uses an ESP32-based module helps explain how it provides wireless serial communication and firmware update features.
GPIO
General-purpose input/output pins are microcontroller pins you can set in software to read signals, switch devices on and off, or connect to peripherals. The number of GPIO pins matters because it limits how many buttons, LEDs, sensors, and other parts you can wire directly to the board.
Headers
Rows of metal pins used to plug a module into a breadboard or connect it with jumper wires. Pre-soldered headers make the module easier to use straight away without needing to solder the pins yourself.
IoT
Short for Internet of Things, meaning physical devices that connect to networks or the internet to send data or be controlled remotely. It matters if you want projects such as connected sensors, remote controls or classroom data-logging activities.
JST PH
A small keyed plug-and-socket connector with 2 mm pin spacing, often used for low-power electronics connections. You need the correct JST PH cable, and its current rating limits how much power should be passed through it.
LED
A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
LiPo
A lithium polymer rechargeable battery commonly used in portable electronics projects. It matters because LiPo batteries need correct charging circuitry and care, and this board includes hardware intended for that battery type.
MicroPython
A version of the Python programming language made to run on microcontrollers. It matters because it lets beginners write readable code to control LEDs, sensors, motors and displays without needing to start with lower-level languages.
Power path
A power path is the route electricity takes from one or more supplies to the circuit being powered. Understanding the power path helps you choose parts that can safely handle source selection, backup power, and supply switching.
RGB
Short for red, green and blue, usually referring to an LED that can mix those three colours. It matters because controlling an RGB LED teaches how separate outputs combine to create different colours.
USB-C
A modern reversible USB connector used for power and data connections. On this product it matters because it can connect directly to a computer as well as to a microcontroller project.
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