Quantity   Component name
1 × EZSBC ESP32 Dev Board ($9.95 each) https://www.tindie.com/products/ddebeer/esp32-dev-board-wifibluetooth/
1 × DOIT ESP32 Dev Board (Five for $22) https://www.aliexpress.com/item/5PCS-Official-DOIT-ESP32-Development-Board-WiFi-Bluetooth-Ultra-Low-Power-Consumption-Dual-Core-ESP-32S/32829999127.html
1 × Wemos D1 Mini ($2.18) https://www.aliexpress.com/item/Smart-Electronics-D1-mini-Mini-NodeMcu-4M-bytes-Lua-WIFI-Internet-of-Things-development-board-based/32659152063.html?spm=a2g0s.9042311.0.0.27424c4dIj520R
1 × 0.66" OLED for Wemos D1 Mini ($2.23) https://www.aliexpress.com/item/OLED-Shield-for-WAVGAT-D1-mini-0-66-inch-64X48-IIC-I2C/32797996010.html?spm=a2g0s.9042311.0.0.27424c4dNTegxk
1 × 8x8 LED Matrix for Wemos D1 Mini ($1.17) https://www.aliexpress.com/item/GREATZT-Matrix-LED-Shield-V1-0-0-For-WEMOS-D1-Mini-Digital-Signal-Output-Controller-Module/32909346097.html?spm=a2g0s.9042311.0.0.27424c4dNTegxk