| The Arduino UNO R4 brought a modern 32-bit platform to the classic UNO form factor, adding higher voltage tolerance, USB-C, a Renesas RA4M1...
More about Wireless & Communication (145)
| This DCF77 time server pairs a DS3231 RTC with a PIC12F1840 to decode DCF77, output a TTL time signal via optocoupler, and rebroadcast time...
| Silicon Labs’ SiWx917 brings lowe-power Wi-Fi 6 and Bluetooth LE to low-power IoT designs, with features such as TWT, OFDMA, and integrated...
| 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...
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| The low-cost ESP32-C3 SuperMini modules feature a compact SMD antenna. However, the small antenna design greatly restricts the effective Wi-...
| Discover how a Raspberry Pi, a DDS module, and an ADC come together to form a powerful DIY RF sweep generator for RF testing. This compact s...
| This Personal Alarm Dual GPS device uses a 4G SIM A7670E module and Ublox M-10Q GNSS for instant SMS alerts with live location. Powered by a...
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| Bluetooth beacons have always inspired marketing specialists and developers, using it to position objects that cannot use GPS due to a lack...
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| Relio is a compact, Matter-enabled smart device that integrates presence detection, environmental sensing, IR control, energy monitoring, an...
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| In the second part of this series, we realized the digital wireless transmission of audio, but the data rate of the prototype was only usabl...