SPK-110-2W 50 mm 8 Ω Wired Micro Speaker – 2 W Full-Range
SPK-100-2W 40 mm 8 Ω Micro Speaker – 2 W Full-Range
1000V 440mA Specialty Fuses, DMM-44/100 compatible.
The Waveshare 32154 is the ESP32-S3-RS485-CAN module which is an Industrial ESP32-S3 Control Board, RS485 and CAN Communication Interfaces, Wi-Fi / Bluetooth, Built-in Multiple Protection Circuits.