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Engineering the smart home.
ESP32. Apple HomeKit. Real projects and guides for people who build their own smart home instead of buying one.
Projects
Builds worth copying.
From ESP32 sensors to 3D-printed enclosures, full write-ups, not just photos.
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HomeKit
Your own accessories.
Bring ESP32 hardware into Apple Home, no hub required, no subscriptions.
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Guides
Pinouts. Tutorials. Answers.
ESP32, Arduino and ATtiny reference guides, written so you actually finish the project.
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59+
Guides published
30+
Projects documented
1
Ecosystem: Apple HomeKit
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Real hardware. Real answers.
Guide
ATtiny85 Pinout
The complete pin reference for the ATtiny85: an 8-pin AVR chip with 6 GPIOs, 3 ADC channels, and no onboard USB, so it’s programmed over ISP rather than plugged straight into a computer.
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Guide
ESP32-C3-MINI-1 Pinout
The complete pin reference for the ESP32-C3-MINI-1 module: a single RISC-V core, Wi-Fi and Bluetooth LE, and the exact pins you can safely reuse.
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Guide
ESP32-C6-WROOM-1 Pinout
The complete pin reference for the ESP32-C6-WROOM-1 module: Wi-Fi 6, Bluetooth LE and 802.15.4 (Thread and Zigbee) on one chip, plus the exact pins you can safely reuse.
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Guide
ESP32-WROOM-32D Pinout
The complete pin reference for the ESP-WROOM-32D module: 34 programmable GPIOs, ADC/DAC, touch, RTC and the exact pins you can safely reuse.
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Guide
Raspberry Pi 4 Pinout
The complete 40-pin GPIO reference for the Raspberry Pi 4 Model B: 26 general-purpose pins, I2C, SPI, UART, PWM, and the exact pins you can safely reuse.
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Electronics
0.91-inch OLED Display on an ATtiny85
The ATtiny85 is a compact and low-power microcontroller ideal for minimalist electronics.
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Software
ESP32 Lifecycle Manager V2.0
A slow, friendly, step-by-step introduction to OTA updates trough Lifecycle Manager on the ESP32. I get quite a lot of messages and questions from people who want to “try OTA updates”, but who get stuck almost immediately.
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HomeKit
HomeKit NeoPixel Controller
The ESP32-C3 Super Mini is a tiny, powerful microcontroller that’s perfect for smart LED projects. Want to control a colorful LED strip using Apple’s Home app or Siri? You can do it, no extra bridge or hub needed.
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3D printing
Apple TV Wall Mount
Some projects are born out of necessity. The Apple TV is a sleek and compact streaming device, but once again, Apple didn’t think about how you actually place it in your setup.
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3D printing
Fruit Fly Trap
Not every 3D printing project needs to be about high-tech gadgets or smart home accessories. Sometimes, it’s the simplest household annoyances that inspire the most clever solutions.
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3D printing
Philips Hue Bridge Wall Mount
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.
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About Studio Pieters
Built in the open, one board at a time.
Studio Pieters is where ESP32 hardware, Apple HomeKit and 3D-printed enclosures come together, documented so anyone can rebuild it.
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