Arduino Leonardo without Headers Built around the powerful ESP32-WROOM-32

Built around the powerful ESP32-WROOM-32 module

Expert technical support for hardware integration and firmware development

Consumer product prototyping and small-batch production runs where orange color aids in brand differentiation and visual quality control

Learning & Education: Excellent hands-on component for teaching mechanical power transmission

and barometric pressure - the tiny board fits inside compact 3D-printed enclosures for desk or outdoor mounting

Arduino Leonardo without Headers Built around the powerful ESP32-WROOM-32Arduino Leonardo without Headers The Arduino Leonardo without Headers is a compact, powerful microcontroller board based on the ATmega32U4 chip with built in USB communication no external USB to serial converter needed. Shipped without pre soldered pin headers, this variant gives you complete flexibility to solder your own connectors, mount it flush on custom PCBs, or integrate it directly into finished enclosures. Available now at The Engineer Store,