Espressif Systems ESP32 has many new interfaces over ESP8266, but still lacks a hardware camera interface like DVP or MIPI CSI. However, it’s still possible to connect a camera to the I2S interface. What? Isn’t I2S used for audio? It turns out there’s more to ESP32’s “I2S interface” as pointed out in the forums: The I2S subsystem in the ESP32 also provides a high speed bus connected directly to RAM for Direct Memory Access. Putting it simply, you can configure the ESP32 I2S subsystem to send or receive parallel data under hardware control. There were some ESP32 camera boards launched previously such as ESP32-PICO-tinyCAM, but most seem to have been phased out. However not is all lost, as Seeed Studio is now taking pre-orders for the new A.I. Thinker ESP32-CAM board with a 2MP camera for $9.90. ESP32-CAM board specifications: Wireless Module- ESP32-S WiFi 802.11 b/g/n + Bluetooth 4.2 LE […]