For one of my new projects, I wanted to program an ESP8685-WROOM-03 module without soldering. Because let’s be honest… sometimes you just don’t want to mess around with flux, heat, and tiny pads. So I designed a simple programming adapter that you just click onto the module, flash your firmware, and done. The result?A super simple ESP8685 programmer built with: ✔ A […]
ESP8685-WROOM-03 Programmer – KISS, 3D Print & Magnets Read More »
Voltage regulators are essential in almost every electronics setup because they provide stable power, protect sensitive components, and prevent unpredictable behavior. Among them, the LD33V is one of the most commonly used linear regulators for generating a clean 3.3 V supply. Rather than requiring complex circuitry, it offers a simple and robust solution that works reliably in countless
Everything You Need to Know About the LD33V Read More »
Smart plugs are everywhere these days — even budget stores like HEMA and Action have jumped on the smart home bandwagon. You can now pick up a WiFi-enabled plug for a fraction of what you’d pay at other retailers. But are they actually worth buying? Let’s take a closer look. The Budget Smart Plug Craze Both Action and HEMA now sell their own
Why You (Should or Shouldn’t) Buy a Smart Plug from Action Read More »
The ESP8685-WROOM-03 is one of Espressif’s most compact and efficient wireless modules, combining Wi-Fi and Bluetooth 5 LE connectivity with a RISC-V single-core processor and rich peripherals — all in a module only 15 × 17.3 mm in size. It is designed for modern IoT applications that demand reliability, low power consumption, and flexible integration. Whether you’re a maker or a professional engineer, this guide
The Ultimate Guide to the ESP8685-WROOM-03 Pinout Read More »
Circular displays are a unique twist for DIY electronics projects. While most LCDs are square or rectangular, the 1.28-inch round TFT display gives your project a modern, smartwatch-like look. It’s based on the GC9A01 controller, offers a 240×240 full-color IPS panel, and connects over SPI. In this guide we’ll explore what it is, how to wire it, how to drive
The Complete Guide to the 1.28-Inch GC9A01 Round TFT Display Module Read More »
When it comes to detecting motion in DIY electronics, the HC-SR501 PIR sensor is one of the most popular and affordable choices. It’s used everywhere: alarm systems, automatic lights, smart home devices, and even art installations. In this guide we’ll cover how the sensor works, its specifications, wiring, configuration, and how to use it with
The Complete Guide to the HC-SR501 PIR Motion Sensor Read More »
The 2.25 inch TFT LCD ST7789 SPI display is a compact but powerful module, perfect for all kinds of embedded projects. Whether you are using an ESP32, Arduino, or Raspberry Pi, this screen allows you to display sharp, colorful graphics. In this article, we will take a closer look at the specifications, pinout, and how
2.25 inch TFT LCD ST7789 SPI Display Read More »
When you need to measure light intensity in your projects — whether it’s for smart lighting, weather stations, or battery optimization — the BH1750 is one of the easiest and most reliable sensors to use. It’s a small, inexpensive I²C module that outputs light levels directly in lux, without the need for complex calibration or
The Complete Guide to the BH1750 Digital Light Sensor Read More »
The SHT temperature and humidity sensors from Sensirion are among the most precise, reliable options out there for measuring environmental conditions. Whether you’re building a weather station, monitoring your greenhouse, or adding climate control to a smart home device, the SHT line offers features you need — with minimal fuss. In this guide, you’ll get
The Ultimate Guide to the SHT Sensor Series Read More »
Some projects never really get old. Even though I created this one quite a while ago, it is still one of the most downloaded and requested designs on my site: The Philips Hue Bridge Wall Mount. If you’re anything like me, you probably love a clean and organized setup. The Philips Hue Bridge is a
Philips Hue Bridge – Wall Mount Read More »
