{"id":2004157,"date":"2026-05-18T04:31:49","date_gmt":"2026-05-18T04:31:49","guid":{"rendered":"https:\/\/kingsideaconnections.org\/commerce\/?post_type=product&#038;p=2004157"},"modified":"2026-05-18T04:31:50","modified_gmt":"2026-05-18T04:31:50","slug":"smart-watch-esp32-open-source-e-watch-wifi-bluetooth-programmable-watch-e-paper-with-open-source-hardware-and-software","status":"publish","type":"product","link":"https:\/\/kingsideaconnections.org\/commerce\/product\/smart-watch-esp32-open-source-e-watch-wifi-bluetooth-programmable-watch-e-paper-with-open-source-hardware-and-software\/","title":{"rendered":"Smart Watch ESP32 Open Source E-Watch WiFi bluetooth Programmable Watch E-Paper with Open Source Hardware and Software"},"content":{"rendered":"<p>Specifications 1  Ultra low power e paper 1 54 inch display with a resolution of 200 x 200 and a wide viewing angle2  Wi Fi and Bluetooth LE connection3  3 axis accelerometer with gesture detection4  Real time clock with calendar and alarm functions for accurate timing5  Built in USB to serial adapter allows programming anytime and anywhere6  Vibration motor for alarm7  Four buttons  use imported buttons  which feel better 8  Open source hardware and software9  Tons of examples and cool watch faces10  Open source 3D case design11  Built in 3 7V 200mAh battery12  The use of PCB upper and lower covers can better protect the screen  battery and various components on the motherboard Battery Life Watch wakes up every 60 seconds  checks the accelerometer  real time clock  and updates the e paper display with the latest information  Some watch faces also turn on WiFi to get weather data The Watch should have 5 7 days of battery life when just timing time  and 2 3 days when getting data over WiFi  These numbers can be expanded with further optimizations  e g  sleep during off hours  wake only on movement tilt  etc  User Manual  Please scan the QR code on the product packagingSpecial note  Please be sure to select the hardware version V2 0 when flashingFeatures 1  With ESP 32  Watch supports various development options  for Arduino  Micropython  ESP IDF  Zephyr RTOS  etc   and has a large community for makers hackers tinkers 2  Uses Wi Fi and bluetooth LE connectivity to connect to in<\/p>\n\n    <div class=\"xs_social_share_widget xs_share_url after_content \t\tmain_content  wslu-style-1 wslu-share-box-shaped wslu-fill-colored wslu-none wslu-share-horizontal wslu-theme-font-no wslu-main_content\">\n\n\t\t\n        <ul>\n\t\t\t        <\/ul>\n    <\/div> \n","protected":false},"excerpt":{"rendered":"<p>Manufacturer 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