TP4056

The TP4056 is a complete constant-current/constant-voltage linear charger for single cell lithium-ion batteries. Its SOP package and low external component count make the TP4056 ideally suited for portable applications. Furthermore, the TP4056 can work within USB and wall adapter.

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Hearing Substitution Using Haptic Feedback

“Exploring AAC to substitute hearing through Neosensory Buzz’s haptic feedback for deaf parents to connect to their kids. Deaf People Parenting Hearing Children Ever wonder how difficult it is for deaf people parenting hearing and speaking children, since infant …

DIY Non Contact IR Thermometer V1.0

“Currently, we are chasing an invisible monster named Corona Virus ( COVID-19 ) and we are going through the biggest health crisis in our time due to a sharp increase in infection cases. One of the main symptoms of the COVID …

Making Your Own Photovoltaic 5V System

“This uses a buck converter as a 5V Output to charge the battery(Li Po/Li-ion). And Boost converter for 3.7V battery to 5V USB output for devices needed 5 V. Similar to the Original system that uses Lead …

Portable Power Supply for microcontroller projects

“In this project I tried to overcome a very common issue while working on a portable electronics project. That is how to power my circuits If you are working on a portable electronics project, or in a remote place where …

Temp and Humidity Monitor with Graphs and Battery Monitor

“Monitor to record temperature and humidity, store 24 hours history and display these in a graph. Battery level monitor screensave. The project is an evolution of my project “Very low power temp and humidity monitor with min and max”. I …

DIY Smartglasses

“This is my first version of a smart-glasses multimeter. Is not the most unique and best look design, but this is yet a first version. I’m pretty sure I will improve it in the future. Anyway, inside the 3D …

Solar E-ink Weather Station

“Today i show you how i made this weather station with integrated e-ink screen. Background Two years ago I build a Wemos D1 based weather station with two DHT22 sensors and the same eink display. I need it to monitor …

Very low power temp and humidity monitor with min and max

“A very low power consumption rechargeable temperature and humidity monitor that can run off a rechargeable battery for 12 days or more. Story I needed a temperature and humidity sensor that would show maximum and minimum levels recorded so that …

3D Printer Bed Leveler Tool

“A quick bed leveling tool for 3D printers. Around the start of the year, Dominick Lee published a project called 3D Print Bed Leveling Tool Using M5StickC on this site. After seeing it in action, I wanted one so I …

Autonomous Solar-powered Irrigation & Monitoring Station

“This instructable compiles the development and build process of my Autonomous Solar-Powered Irrigation and Monitoring Station with Stevenson Screen, named Steve Waters, which I made for my home garden. This Station gathers atmospheric data as well as soil moisture data …