Buy ‘iot boards’ with Bitcoin Crypto-Currency – Spendabit

SIM808 GSM/GPRS/GPS IoT Board (Arduino Leonardo Compatible)

$70.79 at The Pi Hut

WiDo - An Arduino Compatible IoT Board

$24.61 at The Pi Hut

Raspberry Pi Compute Module 4 IoT Router Carrier Board Mini

$59.15 at The Pi Hut

Compute Module 4 Industrial IoT Base Board

$123 at The Pi Hut

SparkFun IoT RedBoard - ESP32 Development Board

$41.69 at The Pi Hut

W5500 Ethernet with POE IoT Board (Arduino Compatible)

$52.92 at The Pi Hut

Acrylic Case with Heatsink for CM4 IoT Router Carrier Board Mini

$11.64 at The Pi Hut

Adafruit HUZZAH32 – ESP32 Feather Board

$19.95 at Adafruit

Espressif ESP32 Development Board - Developer Edition

$15.00 at Adafruit

ESP-EYE Development Board V2.1

$24.95 at Adafruit

Adafruit HUZZAH32 – ESP32 Breakout Board

$13.50 at Adafruit

Adafruit FunHouse - WiFi Home Automation Development Board

$34.95 at Adafruit

Assembled Adafruit HUZZAH32 – ESP32 Feather Board - with Stacking Headers

$21.95 at Adafruit

M5Stack Tough ESP32 IoT Development Board Kit

$62.02 at The Pi Hut

M5Stack Basic Core IoT Development Kit - ESP32 Dev Board

$34.95 at Adafruit

GIGABYTE B760M DS3H AX LGA 1700 Intel B760 M-ATX Motherboard with DDR5, 2* M.2, PCIe 4.0, USB 3.2 Gen 2 Type-C, WiFi 6E, 2.5GbE LAN, Q-Flash Plus, PCIe EZ-Latch

Sensor Add-on Board for Sony Spresense EVK-701

$54.95 at Adafruit

Adafruit AirLift – ESP32 WiFi Co-Processor Breakout Board

$9.95 at Adafruit

Lenovo ThinkSmart Core for Microsoft Team Rooms 11LR0005US Intel Core i5 11th Gen 1145G7E (1.50GHz) 8GB Memory 256 GB M.2 2280 PCIe 3.0x4 NVMe SSD 10.1" 1280 x 800 Windows 10 IoT Enterprise SAC

$2.00 at Newegg

SparkFun IoT Starter Kit with Blynk Board

$50.37 at RoboSavvy

Arduino Nano 33 IoT with Headers

$41.52 at RoboSavvy