Project Lab is arriving soon
Understand every
Understand every
by touching it.
Interactive hardware guides for ESP32, Arduino and more. Tap a chip, see how it works, copy the code. Built for kids, students, teachers and makers.
- 0boards
- 0pins & parts
- 0installs
240 MHz dual-coreWi-Fi + BLE34 GPIO pinsESP32ESP32-C3ESP32-CAMNodeMCUArduino UnoI²CSPIPWMADCUARTWi-FiBluetoothESP32ESP32-C3ESP32-CAMNodeMCUArduino UnoI²CSPIPWMADCUARTWi-FiBluetooth
What you get
Learn hardware the visual way
No datasheet hunting. Every part explained in plain words.
Interactive pinouts
Every pin colour-coded by job. Search, filter and zoom.
Live power flow
Watch 5 V become 3.3 V across the board.
Duck guide
A friendly tour through each component, one by one.
Copy-ready code
Tap a pin, get a working Arduino snippet.
Boards
Pick a board. Meet its parts.
ESP32 DevKitAll-rounder with Wi-Fi, Bluetooth and lots of pins.Explore pins 
ESP32-C3 MiniTiny, USB-C and RISC-V.Explore pins 
ESP32-CAMCamera, microSD and Wi-Fi in one board.Explore pins 
NodeMCU ESP8266The classic budget Wi-Fi board.Explore pins 
Arduino UnoThe first board for learning electronics.Explore pins Sensors
Give your board senses
Interactive pinouts, live simulators, wiring and code for popular sensors.
How it works
Three taps to understand
1
Choose a board
ESP32, Arduino, NodeMCU and more.
2
Tap a pin or part
Get its job, limits and warnings instantly.
3
Copy the code
Paste the snippet and build with confidence.
Available soon
Project Lab
Guided builds, wiring diagrams, code and parts lists, all in one workspace. Coming soon.
Smart Plant Monitor
- Gather parts
- Wire the sensor
- Upload the code
- Test and share
int v = analogRead(34);
Ready to meet your board?
Free to explore. No install.