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- 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
- 12V Router UPS
- Professional Multifunctional DI Box
- 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
- HydroMate
- 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
- Bathroom Fan Automation / Hot Water Temp Sensor & Display
- DIY Smart Hot Plate for Reflow Soldering
- How to Make an ESP32 Smart Home Automation System Using KME Smart
- Pico2DVI the Graphics Card You Can Build Yourself!
- Build a Portable Adjustable Power Supply Using Tool Batteries and PocketPD
- Ultra-Low Power Precision Timer Using the ICM7555
- Obstacle Avoiding Robot (No Microcontroller)
- DIY Battery Spot Welder: Build Your Own Power Pack Assembler
- Stereo FM / AM Radio Receiver With VU Meter (TEA5711 + LM386)
- Common Base Amplifier, MiniPCB, 04B-060, Rev A1-03
- The Definitive Guide to Precision Power: Mastering the INA219 & INA226
- Speak and Maths Circuit Bend - Pitch Control Ribbon
- Extremely Tiny Model Train Christmas Ornament
- Home Telephone Ring Light for Hard of Hearing Folks
- Build a Solar Battery Charger at Home!
- Differential Amplifier, MiniPCB, 04B-359, Rev A1-03
- Differential Amplifier, MiniPCB, 04B-358, Rev A1-03
- Speak and Maths Audio Repair and Clean
- Build a Hands Free Automatic Gate Opener With ESP32 and JENCE J4220U
- Obstacle Avoiding Car
- Flea-Scope: Getting Started
- Cascode Cascade Amplifier, MiniPCB, 04B-340, Rev A1-02
- Visual Sound Level Meter
- Charge Pump, Voltage Doubler (555 Timer), MiniPCB, 09H-05
- Advanced Power Outlet
- Attempting to Make an Magnesium Alloy Graphite Salt Battery (failed...)
- D Flip-Flop, MiniPCB, 10A-20, Rev A1-01
- Automatic Antenna Switch
- Cascode Amplifier, MiniPCB, 04B-340, Rev A1-03
- FunkyFrog - Allwinner V3s Based Retro Handheld
- Relay Module With Selectable High/Low Trigger
- Cascade Amplifier, MiniPCB, 04B-345, Rev A1-02