ESP32 CO₂ Monitoring: How to Interface the Sensirion SCD30 NDIR Sensor
Learn how to interface the Sensirion SCD30 NDIR CO₂ sensor with an ESP32 using I2C and Arduino IDE. Measure real-time …
Featured
Latest Post
How to Build Your Own Local IoT Server with Raspberry Pi, Mosquitto & ESP32
Learn how to build your own local IoT server using a Raspberry Pi and Mosquitto MQTT Broker. Connect an ESP32, publish telemetry, and control an LED from the MQTT Bhai Android app—all over your local …
Recent Tutorials
View all
Read Schneider PM2100 Power Meter Data with ESP32 (Modbus RS485 Tutorial)
Learn how to connect a Schneider PM2100 power meter to an ESP32 using an RS485-to-TTL module and Modbus RTU. Read …
ESP32 SIM800L Fire & Gas Alarm with SMS Alerts (No WiFi)
An ESP32 + SIM800L system that detects fire and gas, sends SMS alerts, and answers "status" texts — no WiFi …
ESP32 MQTT Tutorial: Send Sensor Data & Control an LED with MQTT Bhai
Learn how to connect an ESP32 to an MQTT broker and use MQTT Bhai to monitor sensor data and remotely …
How to Connect ESP32 to AWS IoT Core Without Wi-Fi Using SIMA7670G (Full Tutorial)
Learn how to connect your ESP32 to AWS IoT Core over 4G LTE using the SIMA7670G module — no Wi-Fi …
Chapter 4: Hardware and Tools Buying Guide | Phase 1
Bridge the gap between software and the physical world. Discover the exact ESP32 starter kit, expansion modules, and "forever" engineering …