(503) Precise Time without Internet: NTP Server from GPS Satellites

(495) Let's build a Lora Mailbox Notifier incl. Tips and Tricks for Your Projects from an Engineer

(483) ESP32 precision GPS receiver (incl. RTK-GPS Tutorial). How to earn money with it (DePIN)

477 Use the very attractive new ATTINY chips for your projects

473 Battery Protection for Smartphones and Tablets using Home Assistant (charges only from 20-80%)

464 Better than GreatScott's Coil Gun? A true story, how-to not do it

454 How to Build an Solar Battery Charger for eBike / Electric Bicycle

440 Let's build the Rubik Cube Bot who knows God's Number

438 Photo Voltaic (PV): Why Your Inverter Stops When the Grid Goes Down

#427 Four 8kWh DIY Solar Plants with neighbors (Part 2)

#426 DIY Solar System vs Commercial Offer (Part 1)

#423 Fluid (Water) Level Meter from Blood Pressure Monitor Hack

#421 Home Made OBD2 Engine Alarm Resetter device using an Arduino?

#418 AI on the edge vs. Traditional Engineering. Water Meter with ESP32-CAM

#416 Creative uses of Power Tool Batteries for Mobile Projects

#376 How to receive and track LoRa Satellites (TinyGS). Incl. innovative ideas for your projects

#374 Long-Range Walkie-Talkies using a Raspberry Pi Zero (including Clubhouse Clone)

#364 Useless Machine including Dead Bug Construction example

#360 Tracking and Chasing Weather Balloons with TTGO LoRa Board and Raspberry Pi. Fun and Adventure

#358 CO2 Cuckoo Clock for schools and businesses (Why not eCO2?)

#356 Save Energy by automating your 3D-printer (Raspberry safe shutdown, OctoPrint, Sonoff)

#355 Let's try to build a Vacuum Tube Radio

#343 Remote control of PC and Smartphones with DIY HID devices (incl. Rubber Ducky / Bad USB)

#307 How To Lose Weight with a Raspberry Pi and an ESP32

#302 We build a 20 Dollars LoRa Satellite Ground Station and we follow the FossaSat-1 launch

#287 Remote Controller for Clocks (IKEA and others, DCF77, WWVB, MSF, JJY)

#271 Let's build a TTN Tracker which creates long distance records (if possible)

#265 Pressure Monitoring incl. Fusion360 Tricks

#263 How to build an Animal RFID reader with Arduino, ESP8266, or ESP32

#259 Add Voice to your Home Automation Project

#258 Configurable Cases for your Projects (Arduino, ESP32, ESP8266)

#254 Infrared Remote Protocol Translator (Arduino Nano)

#248 How to build a Reggae Dancing Robot

#247 Do-it-Yourself Thermal Imaging Cameras (AMG8833, MLX90640, M5Stack, Arduino IDE) and Flir one

#246 12 Tips and Tricks for Neopixels Projects (Arduino, ESP8266/ ESP32)

#244 QC3.0 Hacking and Tutorial incl. QC2.0 (Mobile Power Supply) Quick charge with Arduino

#242 How to Build a Cheap 433 - MQTT Gateway (RFLink, Arduino, ESP8266, Node-Red, Weather Station)

#234 How to Use Weather Forecast With Nearly No Power (ESP8266, OpenWeatherMap, TrigBoard, Arduino)

#221 Better than GreatScott's Coil Gun? A true story, how-to not do it

#215 Can Makers collaborate? The story of an Adventure (ESP32, Arduino IDE, Discord)

#213 How to build an innovative Problem Solver for 10 $ (ESP8266, Google Sheets)

#208 Summer Project: Build an autonomous Robo Tank together with my viewers

#202 How to build a Sleep Accelerator for Humans

#198 Laser Speed Gun Project with Range Finder and ESP32 (Distance Meter)

#197 Cute and versatile DIY Volt, Ampere, Power, efficiency and Capacity Meters

#196 RAK831 LoRaWAN Gateway with a Raspberry Pi Zero (project)

#195 DIY Internet Radio using an ESP32 (Arduino IDE)

#188 Antenna Tutorial incl. cheap DIY Antenna Tester (LoRa, ESP32)

#185 ESP8266 - Google Calendar Reminder: How To Make Your Wife/Girlfriend happy (Arduino)

#180 Stop this Nagging DPS5005 Fan in 5 Minutes

#176 BLE Human Presence Detector using an ESP32 (Tutorial, Arduino IDE)

#171 Arduino Guide to Infrared (IR) Communication also for ESP32 and ESP8266

#169 LoRa one-to-one Connection for a Mailbox Notifier with an Arduino and a Wemos Shield

#161 Measuring weight using an ESP32, a strain gauge, and a HX711

#95 Fake TV using Neopixels Random Timer and ESP8266 or SONOFF

#93 Remote Motion Detector Using a Hacked SONOFF Switch for Home Automation Projects

#86 MAX7219 Dot Matrix Display, Thingspeak, ESP8266, Sensor, and Beeper = Subscriber Counter

#77 Building a stable third hand (with pouring of Lead)

#50 Racing Car to Simulator Conversion Part 2: Reading Angles with Accelerometers

#49 Racing Car to Simulator Conversion Part 1: Electronic Potentiometers

#44 Hacking and Cloning a Garage Door Opener using SDR Radio

#42 Build your own I2C Sensor with three Ultrasonic Sensors for Arduino

#21 Two Equal Displays on One Arduino I2C Bus (Tutorial)

#20 Tutorial: Multiple Devices on One Arduino I2C Bus

#19 DIY Bicycle Power Meter Part 2

#15 DIY Bicycle Power Meter Part 1

#14 Automatic Timer for Hot Glue Guns

#13 Automated Battery Tester with an Attiny85 and an OLED (Tutorial)

#9 Arduino Data Logger with Direct Input to Excel