
Sometimes you just want the smallest Arduino-like thing you can find. This is the case as far as I can tell, with a SAMD21 processor. But for me it turned out to be useless because the boot sequence means it takes a second or two after powering on for your code to run. ATTiny85 turned out to be my answer.

Gikfun Screw Shield Expansion Board: Enhance Arduino UNO R3 with the EK7007 Add-On
11 Review

π Ultimate BBC Micro bit Sensor Starter Kit: Keyestudio 37-in-1 Box with Tutorial, Compatible with V1.5 & V2, Gift for Kids and Adults (Microbit Board Not Included)
11 Review

GeeekPi Raspberry Pi Cluster Case with Cooling Fan and Heatsink for Pi 4 Model B, 3 Model B+ & 3/2 Model B
11 Review

Vilros Raspberry Pi 4 4GB Complete Starter Kit - Black Fan-Cooled Aluminum Case for Heavy-Duty Performance
12 Review

300Pcs Black Replacement Screws Kit for Lenovo Toshiba Gateway Samsung HP IBM Dell Sony Acer Asus Laptop Notebook Computer SSD Hard Disk SATA
5 Review

8Pcs Computer Thumb Screws Black
4 Review

π§ TWYZONE Set: 10pcs Repair Replacement Screws + 1pcs Philips Head Screwdriver for Unibody MacBook Pro - A1278 A1286 A1297 - Bottom Case Compatibility (Not for Retina Display)
6 Review

M.2 Screw Kit: Easy Mounting for NVMe SSDs on ASUS Motherboards
19 Review