Taste The Code

Inside a Plasma Ball: Testing, Replacing, and Learning from Failure

I attempt to repair a USB-powered plasma ball by diagnosing a blown transistor, replacing it, and exploring why the lightning effect stopped working.

Feb 21, 2026 — 6 mins read

Replacing a Broken AC Wi-Fi Module with an ESPHome IR Bridge

I built a simple infrared controller using an ESP-01 and ESPHome to reconnect my GREE air conditioner to Home Assistant after its original Wi-Fi module failed.

Nov 15, 2025 — 9 mins read

How to Build a Multi-Voltage Power Supply for Your Electronics Workshop

I used a computer power supply, an XH-M229 breakout module, a SK35 buck-boost converter and a 3D printed enclosure to make a bench power supply for my workshop!

May 17, 2025 — 6 mins read

Diagnose and fix a hairdryer

A friend of mine brought this hairdryer for me to check and fix.

Oct 11, 2024 — 3 mins read

Making a jig for programming Sonoff basic switches

I made a custom jig to help me out with programming lots of Sonoff basic switches.

Dec 07, 2023 — 2 mins read

A second multimeter on the electronics bench! VENLAB VM-200M

A review of the VENLAB VM-200M that I'll now use on my electronics bench to make simultaneous measurements of current and voltage.

Feb 14, 2023 — 1 min read

ATtiny Programming Shield for the Arduino Uno

I made a programming shield for the Arduino Uno that allows you to program up to 3 ATtiny chips at a time.

Jul 17, 2022 — 2 mins read

Exploring a failed filtration pump timer

Not everything can be easily fixed but examination is still a good learning experience.

Aug 07, 2021 — 1 min read

How to make an Arduino custom I2C slave sensor/device

Using an Arduino to create an I2C slave device for a specific sensor or custom device.

Jul 11, 2021 — 1 min read

Implementing Arduino project control with rotary encoder

The simpler the project interface can be, the better the final result it is.

May 09, 2021 — 2 mins read

Taste The Code

Inside a Plasma Ball: Testing, Replacing, and Learning from Failure

I attempt to repair a USB-powered plasma ball by diagnosing a blown transistor, replacing it, and exploring why the lightning effect stopped working.

Replacing a Broken AC Wi-Fi Module with an ESPHome IR Bridge

I built a simple infrared controller using an ESP-01 and ESPHome to reconnect my GREE air conditioner to Home Assistant after its original Wi-Fi module failed.

How to Build a Multi-Voltage Power Supply for Your Electronics Workshop

I used a computer power supply, an XH-M229 breakout module, a SK35 buck-boost converter and a 3D printed enclosure to make a bench power supply for my workshop!

Diagnose and fix a hairdryer

A friend of mine brought this hairdryer for me to check and fix.

Making a jig for programming Sonoff basic switches

I made a custom jig to help me out with programming lots of Sonoff basic switches.

A second multimeter on the electronics bench! VENLAB VM-200M

A review of the VENLAB VM-200M that I'll now use on my electronics bench to make simultaneous measurements of current and voltage.

ATtiny Programming Shield for the Arduino Uno

I made a programming shield for the Arduino Uno that allows you to program up to 3 ATtiny chips at a time.

Exploring a failed filtration pump timer

Not everything can be easily fixed but examination is still a good learning experience.

How to make an Arduino custom I2C slave sensor/device

Using an Arduino to create an I2C slave device for a specific sensor or custom device.

Implementing Arduino project control with rotary encoder

The simpler the project interface can be, the better the final result it is.

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Inside a Plasma Ball: Testing, Replacing, and Learning from Failure

I attempt to repair a USB-powered plasma ball by diagnosing a blown transistor, replacing it, and exploring why the lightning effect stopped working.

Replacing a Broken AC Wi-Fi Module with an ESPHome IR Bridge

I built a simple infrared controller using an ESP-01 and ESPHome to reconnect my GREE air conditioner to Home Assistant after its original Wi-Fi module failed.

How to Build a Multi-Voltage Power Supply for Your Electronics Workshop

I used a computer power supply, an XH-M229 breakout module, a SK35 buck-boost converter and a 3D printed enclosure to make a bench power supply for my workshop!

Diagnose and fix a hairdryer

A friend of mine brought this hairdryer for me to check and fix.

Making a jig for programming Sonoff basic switches

I made a custom jig to help me out with programming lots of Sonoff basic switches.

A second multimeter on the electronics bench! VENLAB VM-200M

A review of the VENLAB VM-200M that I'll now use on my electronics bench to make simultaneous measurements of current and voltage.

ATtiny Programming Shield for the Arduino Uno

I made a programming shield for the Arduino Uno that allows you to program up to 3 ATtiny chips at a time.

Exploring a failed filtration pump timer

Not everything can be easily fixed but examination is still a good learning experience.

How to make an Arduino custom I2C slave sensor/device

Using an Arduino to create an I2C slave device for a specific sensor or custom device.

Implementing Arduino project control with rotary encoder

The simpler the project interface can be, the better the final result it is.

Topics

Search

Tags

How to Sort Salvaged 18650 Cells with a Battery Tester

Repairing a Vintage 80s SANKEI Boombox: Two Faults Fixed

Building a Better Power Switch for Solar-Powered ESP32 Projects

Can I Fix This Dead Plasma Ball with a Transistor Swap?