Arduino UNO MAX30102: Measure Heart Rate BPM | ShillehTek
Build an Arduino UNO heart rate monitor with the MAX30102 sensor to read IR data, detect beats, and calculate stable ...
Heltec V3 LoRa + GT-U7 GPS: Send Coordinates via Meshtastic | ShillehTek
Build a Heltec V3 LoRa GPS tracker with a GT-U7 NEO-6M module that sends live coordinates over Meshtastic to a base s...
Arduino 433MHz RF Modules: Send Text to LCD | ShillehTek
Build an Arduino 433MHz RF transmitter and receiver link to send Serial Monitor text wirelessly and display it on a 1...
Arduino Uno HX711 Load Cell: Read Weight in Serial Monitor | ShillehTek
Build an Arduino Uno weight sensor using an HX711 load cell amplifier and a load cell, then read and calibrate live m...
Arduino Nano MG90S Servo Motor: Smooth Angle Control | ShillehTek
Build an Arduino Nano MG90S/SG90 servo control project using Servo.h, with smooth angle sweeps and microsecond pulse ...
MT3608 Boost Converter: Set Adjustable Voltage Safely | ShillehTek
Build an adjustable DC-DC power supply with the MT3608 boost converter, set a safe output voltage with a multimeter, ...
Raspberry Pi OpenClaw: Install a Self-Hosted AI Gateway | ShillehTek
Install OpenClaw on a Raspberry Pi to run a self-hosted AI assistant gateway 24/7, pair it with WhatsApp or Telegram,...
ESP32 Soil Moisture Sensor: Wi-Fi Dashboard Readout | ShillehTek
Build an ESP32 soil moisture sensor monitor with analog-to-percent readings and a Wi-Fi web dashboard, so you can che...
Arduino PCA9685: Control Multiple Servos Easily | ShillehTek
Build an Arduino Uno multi-servo controller using the PCA9685 16-channel PWM driver for cleaner I2C wiring, stable ti...
How to Use the KY-006 Passive Buzzer Module with Arduino | ShillehTek
Build an Arduino Uno KY-006 passive buzzer circuit that plays two tones using simple pulse timing, perfect for learni...
Pico W ULN2003: Drive a 28BYJ-48 Stepper | ShillehTek
Build a Raspberry Pi Pico W ULN2003 stepper controller to drive a 28BYJ-48 motor with MicroPython, using safe externa...
BME280 LoRa Telemetry with Meshtastic ESP32 SX1262 | ShillehTek
Wire a BME280 sensor to an ESP32 LoRa V3 board and use Meshtastic to broadcast temperature, humidity, and pressure ov...