Content for INA219

ESP32 Small Robot Dog

“ESP32 small robot dog is my attempt to make quadruped dog that become very popular after Boston Dynamics Spot. Work on the project still in progress and hardware and software can changed. Features - Only ESP32 required (you don’t need …

Battery Analyzer MkII: Alkalines

“Ever wondered if your batteries are any good? I built a tester with data logging and tested every battery I could get my hands on. It all started with a set of seemingly bad NiMh batteries and the desire to …

TinyCharger - Single Cell Li-Ion Battery Charger with Monitoring

“TinyCharger is an ATtiny25/45/85-based, single-cell Li-ion battery charger with selectable charging current limit (100mA - 1000mA) and an OLED display for monitoring. Hardware Power Connectors The device is equipped with a Micro-USB and a USB-C connector for …

Welcome to CurrentSense-TinyML

“CurrentSense-TinyML is all about detecting microcontroller behaviour with current sensing and TinyML. Basically we are trying to work out what is happening on a target PCB. This work is inspired by prior work I have done, as well as the …

Battery capacity tester

“Battery tester using an ESP32, micro SD cards and Arduino This project is a datalogger to check the capacity of 18650 batteries by determining if they are in good condition or they must be discarded. The data that is logged …

ESP8266 DCC Controller

“This is a DCC model railroad controller based on the nodeMCU ESP8266 IOT module. It makes use of other modules commonly available on eBay for the Arduino such as a 1602 LCD display, keypad, jogwheel and I2C backpacks. The controller …

4-20ma Generator/Tester Using Arduino

“4-20mA generators are available on ebay, but I for one love the DIY part of things and using parts I have laying around. I wanted to test our PLC’s analog inputs to verify our scada readings and to test …

DIY Multifunction Energy Meter V2.0

“In this Instructable, I will show you how to make a Wemos ( ESP8266 ) based Multifunction Energy Meter. This little Meter is a very useful device that monitors voltage, current, power, energy, and capacity. Apart from these it also monitors the …

Wi-Fi Multi-Meter

“Welcome Everyone, Simple Hobby thought come to alive using ESP8266-01 with INA219 (current shunt and power monitor). hello everyone, when am working on solar project which charging battery from an solar I need to monitor the current an voltage …

DIY Arduino Multifunction Energy Meter

“In this Instructable, I will show you how to make an Arduino based Multifunction Energy Meter. This little Meter is a very useful device that displays important information on electrical parameters. The device can measure 6 useful electrical parameters: Voltage …