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ESP32-C3 OLED Development Board with Expansion Base

The Lonely Binary ESP32-C3 OLED from the box to a working sketch: what is on the board, which of the sixteen holes are free, which way round it seats on the expansion base, the two-line Arduino setup, the screen, the battery, and the one radio setting that decides whether it stays on your network.

Start here · 01 What you are holding

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The whole handbook9 articles · 65 min

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ESP32-C3 OLED Development Board with Expansion Base

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ESP32-C3 OLED Development Board with Expansion Base

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Email us or reply to your order, and quote c3-oled — that identifies the product. If something is missing from the bag, your order is the record of what shipped.

Take it with you

Point a phone camera at the code and this page opens there. It is the same address as the one printed on your box, so it is also what to show someone you are passing the board to.