The script summarizes the battery online shop nkon.nl in a readable table format. The table is sorted for price per capacity in descending order.

Capacity and internal resistance meter for lithium(18650) and other type batteries

Some small circuit for a DIY solar system.

Plant watering system based on Arduino Nano, real time clock (RTC DS3231) and 12V water pump.

TTGO T-Controller ESP Arduino Framework code, using PlatformIO.

Clockworkpi's Gameshell (GameSH>) case mod for bigger battery

Pointless Button Hardware Version 2

Constant current circuit to test 18650 batteries

OpenSCAD modell for an 18650 battery holder

Arduino based spot welder controller for 18650 cells

A really basic project to trigger a Discord notification if a plants moisture sensor reads low values.

Arduino UNO + A4988 + HM-10 Bluetooth + 42HB4004 Stepper + MIT App Inventor test version

Smart BMS Data Monitoring

18650 li-ion cells and how to make a BMS for them.

Python library and CLI tool for RC3563 battery impedance meter.

AWS powered charger utilizing widely available off the shelf components.

A PCB design for Power and Motor control for small robots

Hardware for SpotWelderController.

A ReactJs-based web client 🕹️ provides a user-friendly interface for controlling robots 🤖, emphasizing smooth movements, turn control, and camera live streaming. 📷

Electro-mechanical design for a USB spaker