How to Scroll Text on MAX7219 Dot‑Matrix with STM32 (SPI)
Step‑by‑step guide to scroll text on a MAX7219 dot‑matrix display with STM32 via SPI. Includes font handling, bit‑endianness and shift functions.
How to Cascade Dot Matrix Displays with STM32 – Step-by-Step SPI Guide
Learn how to cascade multiple MAX7219-based dot matrix displays with STM32 using SPI. Step-by-step wiring, cascading code, and column-to-row data conversion included.
Interface LED Dot Matrix with STM32 via SPI | PART1
Learn to interface an 8×8 LED dot matrix with STM32 using SPI and MAX7219. Covers initialization, wiring (PA5/SCK, PA7/MOSI, PA4/CS), and code walkthrough.
How to Read & Write MPU6050 with ESP‑IDE | I2C PART 2
Learn how to read and write data to the MPU6050 accelerometer via I2C on ESP32 using ESP‑IDF. Includes wiring, config, master init &...
Interface SH1106 1.3″ OLED with STM32 via I2C
Learn to interface a 1.3″ SH1106 OLED with STM32 via I2C. Includes wiring on STM32 I2C pins, CubeMX setup, init code, text, bitmaps...
How to Interface LCD1602 via I2C on ESP32 with ESP‑IDE
Learn how to interface a PCF8574‑based I2C LCD1602 with ESP32 using ESP‑IDE. Complete wiring guide, address setup, init & string‑display code.
Control Continuous Servo RPM with Potentiometer & STM32
Learn to control continuous‑rotation servo RPM via potentiometer (and optional button) on STM32: ADC setup, PWM mapping, direction & speed control.
ESP32 UART Part 2: Control LED via UART + ESP‑IDF
Learn how to control an ESP32 LED over UART using ESP‑IDF. Covers UART2 setup, cross‑wiring FTDI, RX/TX tasks, LED command parsing (ON/OFF).
Interface Continuous‑Rotation Servo with STM32 PWM
Learn to interface a continuous‑rotation servo with STM32 using PWM. Covers CubeMX timer setup, wiring, pulse‑width control (0.5–2.5 ms) for RPM & direction.
