added c3 oled

Author: wassfila

content/microcontrollers/esp32/c3-oled42.md

@@ -0,0 +1,21 @@
+---
+title: ESP32-C3 0.42 Oled
+description: C3 with Oled Display
+order: 1
+date: 2026-02-11T00:00:00+09:00
+image: images/esp32-c3-oled.png
+tags: [Board,Display]
+features:
+    - OLED 0.42" Display
+    - USB-C
+    - 2cm x 2.5cm
+---
+
+DIYMore ESP32-C3
+
+![oled](./images/esp32-c3-oled42.png)
+
+
+Schematics
+
+![schematics](./images/ESP32C3-OLED-schematics.svg)