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LILYGO® TTGO T-Watch-2020 ESP32 Main Chip 1.54 Inch Touch Display Programmable Wearable Environmental Interaction Product DescriptionHardware SpecificationsChipsetESP32, dual-core MCU, PMU power managementFLASHQSPI flash 16MB SRAM 520 KB SRAM / PSRAM  8MBButtonPower key USB to TTLCP2104On-board clock40MHz crystal oscillator Working voltage2.7V-3.6VWorking temperature range-40℃ ~ +85℃Weight58.5gDisplay: 1.54 inch LCD capacitive touch screenSensor:BMA423 three-axis accelerometer, built-in step counting algorithm, activity recognition / tracking, advanced gesture recognition.RTC clock : PCF8563 Power Supply SpecificationsPower SupplyMicro USB (5V/1A)Charging currentThe charging current is programmable and self-adjustable Battery / Mo...
More Information:https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Libraryhttps:/t-watch-document-en.readthedocs.io/en/latest/index.html   6 questions about T-Watch: https://www.youtube.com/watch?v=ayO2_5W7WlM
LILYGO T-BLOCK Btb interface expansion board is the abbreviation of (Board-to-board Connectors), through the 20pin Btb interface to replace the top function board of the T-BLOCK, you only need a T-BLOCK host to change different displays , Or applications that do not require a display screen. The main control chip is still ESP32.The T-BLOCK IPS circular LCD version is one of them. It is based on the T-BLOCK base host and replaces a round-shaped display of the Btb expansion board.Product pin diagram:Github Link:https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library/tree/master/examples/LVGLBtb interface expansion function board parameters:-Circular LCD display 1.3 inch 240x240 GC9A01 drive HD IPS-Btb (Board-to-board Connectors) 20pin connectorT-BLOCK host parameters:-ESP32 WIFI/Blue...
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