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- ESP32-C3 Text to Speech Using Wit.ai and MAX98357A
- ATX-Dual Power Supply
- Portable DIY Variable Bench Power Supply (Cordless)
- Stop Replacing Batteries – Add USB-C to Your Keyboard
- 4WD Mobile Platform Based on M0601 Direct-Drive Hub Motors: Standardized Assembly Solution and Structural Reference Manual
- Makeymakey Door Alarm
- SDR Panadapter for Vintage Tube Radios – Step-by-Step Tutorial
- Currency Recognition Using ESP32-CAM and Edge Impulse
- How to Build a Dim Bulb Tester
- Rotary Dial Project
- IR Control of JTD-0801 HDMI Switch & Upscaler (Arduino)
- ESP32-S3 Compact Voice Assistant Powered by Xiaozhi AI
- 12V to 22V Inverter Modified Sine Wave
- How to Make a PCB Using Acetone (cold Toner Transfer)
- Run Electric Door Openers With 2 Wires Instead of 4 Wires
- Flickering Christmas Village Lamp Post V2.0
- DIY Smart Hotplate Powered by STM32 & USB-C Power Delivery
- Intro to Op-Amps
- EleTect: Mitigating Human-Elephant Conflict With TinyML
- SolarScream
- Cheapest Pocket Music Player
- Making an Ordinary Gas Regulator Smarter and Safer
- Op Amp Discovery - Quick and Versatile Prototyping and Experimenter Board
- DIY High-Power Boost Converter (8-36V/5A)
- Building a Smart Energy Meter With ESP32 and MQTT Alerts
- EASY TRF AM RECEIVER (note: Quiet Sound)
- Ambisonic Microphone
- Building a Smart Traffic Light System With ESP32 and IR Sensors
- Enigma Box
- Motorized Knob
- Tim's Precision 4‑Wire Low‑Resistance Meter
- How to Replace a Broken Charging Port With a USB-C Upgrade
- Transient Response of a Capacitor With Flea-Scope
- Building a WiFi GPS Tracker With Geofencing (No SIM Card Needed!)
- How to Fix Xbox Controller Stick Drift and Dead Zone by Replacing the Joystick
- Nixie Vintage Dashboard (Gear Indicator)
- Building an Offline Text-to-Speech System With ESP32
- OPTO-ISOLATED, AC POWERED DEVICE STATUS (ON/OFF) DETECTOR
- Variable Power Supply With Protection and Replaceable Module
- How to Make PCBs at Home With Just Two Materials
- Buzzer Based Reminder System
- Exhaust Monitoring System
- GB300-P4 - a ESP32-P4 Based Retro Handheld Using the GB300 Shell.
- 12V Dual Power Supply (±12V) With Short Circuit Protection
- Automatic Plant Watering System
- Foot Step Counter Using Piezo Sensor and Digital ICs
- Filters With Flea-Scope
- RGB LED Ring Clock
- RCD Trip Time Tester
- HandsomeTello
- Build a Simple Line-Following Robot—No Microcontroller Needed
- Portable Workout Generator That Generates Electricity!
- Build Your Own SD Card Chip | Arduino Compatible
- Winding a Massive BLDC Motor
- AI-driven Plastic Surface Defect Detection Via UV-exposure
- Analog Solar Charge Controller System With Battery Health Monitor.
- TECHNICAL REPORT OF CURRENT & VOLTAGE VARIABLE DC POWER SUPPLY UNIT
- Airotix
- Wearable Health Monitoring Sensor for Domestic Animals Using ESP32
- Bathroom Fan Automation / Hot Water Temp Sensor & Display