TECH NEWS

Build and Program Your Own Smartwatch

Smartwatches from Apple, Samsung, and others can do a lot, but they aren't designed to let you replace their firmware with something you wrote yourself. Ewan Wills went in a different direction with EWatch, a programmable smartwatch built around an ESP32-S3 microcontroller. It can be treated much like any other ESP32 development board, except this one comes with a color touchscreen, battery, vibration motor, and a case that straps to your wrist.

EWatch has been more than five years in the making, starting with breadboards and hand-wired prototypes before progressing through several generations of custom PCBs. The current board measures just 34 × 28 mm and uses a two-layer ENIG-finished PCB. An ESP32-S3 provides the processing power along with Wi-Fi and Bluetooth Low Energy connectivity, while a 1.69-inch color touchscreen serves as the primary interface.

The PCB (📷: Ewan Wills)

The watch also contains a 350 mAh battery, vibration motor,...

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Circle's Arc Goes Live With KuCoin, Binance and Kraken as Stablecoin Rails Go Mainstream

Circle's Arc went live on 16 September with something most new blockchains spend a year chasing: a way in. Thirteen exchanges switched on direct USDC transfers to the network on its first day, KuCoin among them, which means a user holding dollars on Binance, Kraken, OKX, Bybit, Gate,

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World's ProveKit Can Verify Citizens, Hotel Guests and AI Agents Without Taking Their ID

Coinbase's customer support agents were bribed in 2025 into handing over the records of about 69,000 customers, including images of their passports and driving licences. The attackers then demanded $20 million. Glassdoor users discovered in 2024 that the site had attached their real names to supposedly anonymous

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Building PoquitoTalk, a Zero-Install Voice Translation Workflow for Real-World Conversations

Nearly fourteen years ago, I packed my bags in Belgium and moved to Bocas del Toro, a Caribbean archipelago off Panama's northwest coast. Coming from Western Europe, the warmth of the people struck me first. In Bocas, you greet your neighbors whenever you walk down the street. Whether

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Building a 33-Ending Capacitor Game Without a Framework or Custom Backend

Build It. Ship It. The Physical Reality of 8 GB RAM and Air-Raid Sirens NICHLYST is an anti-dopamine archival survival sim built for RevenueCat's Shipaton 2026: forty days in the basement archive of Myrne, a fictional city in a fictional besieged Eastern European state, one archivist, visitors who

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Circle's Arc Goes Live With KuCoin, Binance and Kraken as Stablecoin Rails Go Mainstream

World's ProveKit Can Verify Citizens, Hotel Guests and AI Agents Without Taking Their ID

Building PoquitoTalk, a Zero-Install Voice Translation Workflow for Real-World Conversations

Building a 33-Ending Capacitor Game Without a Framework or Custom Backend