Seeed Studio has launched two new ePaper display DIY Kits: the XIAO ePaper DIY Kit-EN04 and XIAO ePaper DIY Kit-EE04, ...

Discover how the Arduino Opta Pro can be leveraged beyond its industrial roots for smart home and DIY automation. In my article, I share hands‑on insights, practical code examples, and hardware ...

Pump Wiring: Connect the 220V AC pump to the relay’s Normally Open (NO) and Common (COM) terminals. Make sure the live (L) ...

The project uses an ESP32C3, BMP280 temp & pressure sensor, a relay, and a sacrificed USB wall charger to convert mains AC down to low voltage DC. The ESP32 gets power via USB. The COM and NO relay ...

Chen Liang (陳亮) has found an interesting use case for the Espressif ESP32-C5: a dual-band Wi-Fi analyzer showing the signal ...

Wi-Fi! It’s everywhere, and yet you can’t really see it, by virtue of the technology relying on the transmission of electromagnetic waves outside the visual spectrum. Never mind, ...

Save on gaming gear with our 8 verified Razer discount codes & deals. All coupon content is created by PC Gamer. We may earn a commission if you buy through our links. More Info. Valid on: sitewide ...

Save with these 6 Kinguin discount codes on AAA games, indie games, and more. All coupon content is created by PC Gamer. We may earn a commission if you buy through our links. More Info. This ...

Walmart’s Cyber Monday Sale officially ended on Dec. 1, but you can still shop extended deals right now. From countertop appliances and electronics to beauty items and groceries, you can save up to 50 ...

Our team of savvy editors independently handpicks all recommendations. If you make a purchase through our links, we may earn a commission. Deals and coupons were accurate at the time of publication ...