PTFE / Teflon tubing 4MM OD (outer) 2MM ID (inner) Commonly used as bowden tubing (filament guide for 3D printers) – perfect for 1.75mm filament…

*** 2 Pack *** Ships in individual SEALED bulk packaging (no retail labels or packaging) FREE Shipping to the USA + APO Addresses 10% off 3,…

4-PACK ESP32 ESP-WROOM-32 Development Board Powerful 32-Bit microcontroller with built-in Bluetooth 4.0 (BLE) and 2.4GHz WiFi With pre-soldered breadboard headers and built-in USB-serial adapter, all you need is a…

Protect your waterproof housing from scratches when not in use Also blocks the power/mode button so you don’t drain your battery. Especially useful with one…

Breakout board for an ATX power supply Built-in power switch and indicator LEDs Fully assembled including DIN rail mount. This is a very convenient way to supply…

*** 2 Pack *** 16-Channel PWM “shield” with I2C interface. Check out our store for other motion control components – don’t forget your LS7366 chip(s)…

Black oxide coated hex socket cap flat head machine screws Please consider our our multi-item discount found at the top of the listing page; it…

SPI MicroSD adapter Compatible with Arduino and other popular development boards – very simple to integrate using Arduino libraries. Breadboard compatible 2.54mm (0.1″) pin spacing…

Cooling / Cooler Block for MakerBot Replicator and clones, and other similar 3D Printers MK10 size, appropriate for converting an MK8 printer, particularly if you…

*** 2 Pack *** LSI/CSI LS7366R quadrature counter IC in DIP package This is a popular chip for reading quadrature encoders (such as those used on servo…