Lonely Binary
AccountCart
The ESP32-C3 OLED board seen from above at an angle: a small purple board with a black 0.42 inch OLED in the middle, a silver USB-C plug at the near end, two silver push buttons marked RST and BOO at the far end, a blue LED and a red LED, and a column of eight gold holes down each long edge.
You have this

ESP32-C3 OLED Development Board

A 25 × 20.5 mm ESP32-C3 board with a 72 × 40 OLED already wired to GPIO 5 and 6, and three bases it seats on, each with a battery connector, charger and switch: 2.54 mm pins, push-in terminals or screw terminals.

Display
72 × 40pixel OLED
Chip
160MHz RISC-V
Holes
16in two rows
Size
25 × 20.5mm
Start here · 01 What you are holdingThe reference

Product questions & answers ↓

The ESP32-C3 OLED and its three bases

One ESP32-C3 OLED board, three bases it seats on: 2.54 mm pins, push-in terminals or screw terminals. Each base carries the same battery connector, charger and power switch.

You have this72 × 40pixel OLEDESP32-C3 OLED Development BoardChip: 160 MHz RISC-V
See this board 16GPIO and power, brought outESP32-C3 OLED Expansion Base (2.54 mm)Each side: 8 + 8 pins and sockets at 2.54 mmSee this board 2 × 8at 3.5 mmESP32-C3 OLED Pluggable Terminal BaseBase size: 53.1 × 32.5 mmSee this board 16ESP32-C3 OLED Screw Terminal BaseTerminals: 2 × 8 at 3.5 mm
The whole handbook17 articles · 100 minQuick referencePDF · 501 KBDatasheetPDF · documentation.espressif.comPinout and specsThe pin table, and the questions people ask first
Community

Product questions

See what other owners have asked, and read their solutions.

Ask a question ↗

ESP32-C3 OLED Development Board

Loading discussions…

View all on the community ↗Read here. Sign in to the community to post or reply.
Need another
ESP32-C3 OLED Development Board
Buy directBuy on Amazon
Order or missing parts?

Email us or reply to your order, and quote c3oled — 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.