Uploaded April 2021 | Updated September 2026, 2 weeks ago

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An ESP32-A1S module is a good way to start opening mail items, followed by other audio and misc things...

ESP32-A1S WiFi and Bluetooth Module ESP32 serial to WiFi Audio Module ESP8266 4MB FLASH ESP-12S Chip Board
aliexpress.com/wholesale?SearchText=esp32-a1s

10PCS TDA2822M SOP8 DIP8 SMD Thru Hole
aliexpress.com/wholesale?SearchText=tda2822

PJ-320D Headphone socket 3.5mm 4Pins Audio connector PJ320 Audio jack SMD
aliexpress.com/wholesale?SearchText=audio+jack+smd

350 Pcs 7 Sizes Black Insulation Ring Nylon Flat Washer Gasket Assortment Kit M2 M2.5 M3 M4 M5 M6 M8 Home Improvement Hardware
aliexpress.com/wholesale?SearchText=nylon+washer+350

10Pcs 5*7 PCB 5x7 PCB 5cm 7cm DIY Prototype Paper PCB Universal Board
aliexpress.com/wholesale?SearchText=pcb+5x7cm

PileofStuff's original content: youtube.com/watch?v=nOCQNjQUxw0

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Equipment I regularly use (support the channel by shopping through these affiliate links - I may earn a small commission and it doesn't cost you extra):
Mustool MT315 Digital Microscope banggood.com/custlink/KKvhiw1F6F
946C Solder Hot Plate 200mm x 200mm banggood.com/custlink/K3DyiNZy0l
ANENG AN8008 True RMS Multimeter banggood.com/custlink/KKDh9267Fz
Minleaf NPS3010W Power Supply banggood.com/custlink/KKKdtaNN9A
FY6900 Dual Channel 60MHZ Signal Generator banggood.com/custlink/vGKR9r6RkR
Siglent SDS1104X-E 100Mhz Digital Oscilloscope 4 Channels Standard decoder
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