Half Decent Scale
Made for espresso. Fast, accurate, and barista-friendly.
Half Sized, full featured
Sleek and accurate. Built for espresso.
Slim enough to hide in your drip tray - smart enough to stop your shot at the perfect weight.
Open Source and totally digital
Our digital espresso scale comes with open-source firmware, BLE, and 0.1g accuracy.
Connected
The Half Decent Scale (HDS) is a compact, connected tool for espresso precision. With BLE, USB, and Wi-Fi connectivity, it integrates directly into your DE1 app to stop espresso shots at exactly your target weight.
Watch it in action
How it works:
Ultra-simple user interface
Just two buttons: The circular button turns the scale on and zeroes the weight. The square button turns the timer on/off.
Flexible power options
Use the built-in rechargeable battery or plug into an AC power outlet with USB. The scale automatically turns on - and stays on - with AC power.
Works with all Decent Espresso machines
Connects to the DE1 app so you can set additional weight-based features. Espresso shots will automatically stop at your specified in-cup weight.
Partner apps
Works with these third-party apps in addition to Decent apps:
Beanconquerer Act Four Filtru Espresso Log Smart Espresso Profiler Pressensor PyDecentScale Color bar manager de1app
Technical details:
Dimensions
Wide enough to weigh two cups at once: 14mm (height) x 103mm (depth) x 158mm (width). The slim profile is slightly thinner than the popular Acaia scales and fits into a drip tray.
Programmer-friendly
Super simple BLE API, Javascript code, Python library. Bluetooth, USB and Wifi support.
Open source hardware, firmware and apps
All our code is GPL3 licensed. The hardware is ESP32 Arduino based. Firmware updates are easy via USB or Wi-Fi.
Calibration weight included
Each scale comes with a 50 gram calibration weight for precise self-calibration.
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