23 lines
627 B
Markdown
23 lines
627 B
Markdown
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# BTClock v2
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Improved code for BTClock with many features.
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## Software
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- [PlatformIO](https://platformio.org/platformio-ide).
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- [Node.js](https://nodejs.org/en) and [yarn](https://yarnpkg.com/).
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## Hardware
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- MCU: ESP32 or ESP32-S3 ([Wemos S3 mini](https://www.wemos.cc/en/latest/s3/s3_mini.html) recommended)<br>
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**The ESP32 S2 is not supported, it does not have enough RAM**
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- Seven eInk displays
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- [MCP23017](https://www.microchip.com/en-us/product/mcp23017) I2C Port Expander
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- 4x WS2812B leds (optional)
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- 5x push buttons (optional)
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Recommended to use the BTClock PCB.
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## Schematic
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