Solar "MPPT" lithium cell charge module

Fixing a Temu light - with schematic

Airwick fart neutraliser - with schematic

Would you trust a Temu 80A electrical connector?

Neon tube driver hacks

Another scarily minimal fan control module - with schematic

eBay 98kW LED flashlight (slightly exaggerated) with schematic

Inside a tiny ASD Diamond British street light

Inside a USB dehumidifier unit and "boosting" it.

PK-A22F high voltage module teardown with schematic

Faulty illuminated sandscape frame (with schematic)

Trashy and a bit dangerous, but a clever design

Inside an Otis elevator button (with schematic)

Madri - will it surge?

Exploring & picking a lockable socket

Near unity power factor LED driver - with odd schematic

Dead car plasma unit (fixed) with schematic

Strongbow dark fruit - will it surge?

This did not come apart easily!

Condenser laundry dryer pump

Fireball vs Sodastream. Will it carbonate?

Citrus juicing hysteria relief unit - with schematic

Testing an Ecoegg from ASDA

Easiest free street-lithium yet - with gold flashed contacts!

Exploring the expiry timer on a Sharp plasmacluster module.

eBay LED night light 2024 - with schematic

Inside a "30A" remote control - with schematic

Smartap manifold teardown (it's a beast!)

Schottky diode between charger and lithium cell?

eBay "recall" ML2032 rechargeable 3V lithium cell and charger - with schematic