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ArduinoThermostat

Arduino thermostat to control a beer fridge to use it as an environmental chamber.

HydraBot

Current state of HydraRaptor after being modified for laser engarving.

IOT 50V PSU

WiFi controllable PSU

Lab ATX PSU

Bench power supply built around an ATX PSU.

Cheap LED voltmeters show the voltage on the four main outputs.
The 5V standby output is available from a USB socket. The main PSU can be switched on with a switch or by pulling the green socket next to it low.
The green LED shows the power good signal.
Dummy loads keep the outputs in range.

Laser Load

15kV dummy load for testing CO2 laser PSUs

MainsBreakOutBox

13A socket break out box with 4mm jacks to measure voltage and / or load current and earth leakage current.

Mains Box

Mains isolated and variable supply with metering.

Turntable

WiFi enabled remote control turntable for photography

Variac

Motorised variac with WiFi control, see hydraraptor.blogspot.com/2018/04/esp8266-spi-spy