Sensitive Arduino Lightning detector with homemade sensor
https://maker.pro/arduino/projects/sensitive-arduino-lightning-detector-with-homemade-sensor
How to make a Sensitive homemade Lightning detector based on cheap AM Receiver IC TA7642 and Arduino Nano
How to build simple cheap Hulda Clark Syncrometer
https://maker.pro/analog/projects/how-to-build-simple-cheap-hulda-clark-syncrometer
Hulda Clark's Syncrometer was a device she claimed could detect the presence of various substances in the body, such as parasites, toxins, and pathogens. This time I will show you how you can make such an instrument yourself.
DIY Extremly Sensitive and cheap Geophone sensor for Earthquakes detecting
https://maker.pro/analog/projects/diy-extremly-sensitive-and-cheap-geophone-sensor-for-earthquakes-detecting
How to make a Geophone sensor yourself for free from parts that can be found in any workshop. However, the sensitivity does not lag behind commercial geophones at all.
DIY extremly Sensitive and cheap Arduino Seismometer
https://maker.pro/arduino/projects/diy-extremly-sensitive-and-cheap-arduino-seismometer
Continuation of the previous project, now presenting the electronic part, which together with the Geophone sensor will represent a complete sensitive home seismometer.
How to Make a Braille Literacy Assistant Using Arduino
https://maker.pro/arduino/projects/a-braille-literacy-assistant
A cheap Arduino application converting text to speech and Braille to be used as a learning device for the blind.
XHDATA D-368 Radio short review
https://maker.pro/analog/projects/xhdata-d-368-radio-short-review
A short review of this cheap portable radio, mp3 player, and bluetooth speaker.
Simple e-ink display for your projects (MH-ET LIVE 1.54) setup and demo
https://maker.pro/esp8266/projects/simple-e-ink-display-for-your-projects-mh-et-live-154-setup-and-demo
MH-ET LIVE 1.54 E-Paper - cheap e-ink display for your Arduino or ESP (setup and demo)
Build a Smartphone-Controlled Pipe Robot With Arduino
https://maker.pro/arduino/projects/pipe-bot-toy-robot
This smartphone-controlled robot is simple and cheap to make, and easy to program to boot.
Induction heater, HV source, and Wireless Energy transfer with chip mini ZVS Driver from Aliexpress
https://maker.pro/analog/projects/induction-heater-hv-source-and-wireless-energy-transfer-with-chip-mini-zvs-driver-from-aliexpress
How to make some practical devices with a cheap compact ZVS driver module sold on AliExpress for less than $5.