Lilygo TTGO T-Watch-2020 is a thin, ESP32 smartwatch programmable with Arduino that was introduced last year. The WiFi and Bluetooth-connected watch is equipped with a 1.54-inch LCD capacitive touch screen, a Class-D amplifier, buzzer, accelerometer, RTC, and a battery. The watch is one of the top-selling devices on Lilygo’s Aliexpress store, and they must have had requirements for voice control, so the company has now launched TTGO T-Watch-2020 V3 based on the same design but adding a PDM microphone. As far as I can TTGO T-Watch-2020 V3 specifications are the same as last year’s model, except for the microphone: SoC – Espressif ESP32 dual-core wireless processor with 520KB SRAM System Memory – 8MB PSRAM Storage – 16MB QSPI flash Display – 1.54-inch LCD capacitive touch screen Audio – Max98357 Class-D amplifier, buzzer/speaker, PDM microphone Connectivity – 802.11b/g/n WiFi 4 and Bluetooth 4.x/5.1 via ESP32 Sensors – BMA423 three-axis accelerometer with built-in step counting algorithm, activity recognition/tracking, advanced gesture recognition. Misc […]
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