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Posts by Arun Rawat

STM32 UART tutorial on using interrupt and DMA with HAL_UART_Transmit_DMA. Ideal for large data transmission with UART2 on STM32F4 MCUs.

Interface LCD 16x2 with STM32 using I2C

STM32 I2C LCD1602 with PCF8574 — HAL & CubeIDE Tutorial

ESP32 WiFi Station Mode with ThingSpeak Data Logging Using Espressif IDE

ESP32 WiFi Station Mode with ThingSpeak Data Logging Using Espressif IDE

Interface 0.96 inch Oled Display with STM32 using I2C

Interface SSD1306 OLED with STM32 via I2C — HAL & CubeMX Guide

ESP32 MQTT Client with Wi-Fi STA Mode

ESP32 MQTT Client: Publish and Subscribe to Topics Using Espressif IDE

Interface R307 Fingerprint Module with STM32 for Biometric Authentication

Interface R307 Fingerprint Module with STM32 (UART Tutorial)

Connect STM32 to WiFi and Obtain IP Address

STM32 IoT with ESP8266 (Part 1): Connect STM32 to WiFi and Obtain IP Address

STM32 ESP8266 ThingSpeak Tutorial – Send Sensor Data to Cloud

STM32 IoT with ESP8266 (Part 2): – Send Sensor Data to ThingSpeakCloud

Connect to MQTT broker and publish Messages

STM32 IoT with ESP8266 (Part 3): MQTT Connect and Publish messages

Arduino UNO Pinout – Complete Guide with Diagram

Arduino UNO Pinout – Complete Guide with Diagram

Arduino Nano Pinout – Complete Guide with Diagram

Arduino Nano Pinout – Complete Guide with Diagram

How to use FreeRTOS to publish STM32 messages over MQTT using ESP8266

STM32 IoT with ESP8266 (Part 4): Publish MQTT messages with RTOS

Arduino digitalWrite() and digitalRead() Tutorial

Arduino digitalWrite() and digitalRead(): Complete Guide with Examples