About Wireless
Wireless Scales: Four Small Scales = One Big Scale
To weigh large items like bicycles or suitcases, standard scales are often impractical. This solution uses up to four small scales that transmit weight measurements to an ESP32 module, which then displays the aggregate total. For the wireless transmission, the lightweight ESP-NOW communication protocol is used.
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Power a lamp or heat a mug — no wires needed. This project transfers 20 W through a 5 cm table using 50 kHz electromagnetic resonance. A mic...
The low-cost ESP32-C3 SuperMini modules feature a compact SMD antenna. However, the small antenna design greatly restricts the effective Wi-...
Bluetooth beacons have always inspired marketing specialists and developers, using it to position objects that cannot use GPS due to a lack...
