Content for TP4056

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.

Laser Tachometer

“A small hand-held tachometer that uses a laser to show how fast an object is rotating in revolutions per minute (rpm). This Laser Tachometer is a rebuild of Elite Worm’s Build a Laser Tachometer. Both the hardware and software …

Battery Soldering Iron

“Finally I’ve made a working battery based portable soldering iron. This one can melt solder in under 10 seconds, which is amazing. The soldering iron weighs just above 100 grams, is comfortable to use, it can reach more than …

Smart Thermometer Using Esp-01F and Web Socket

“In one of the previous instructable, we saw how to make a simple thermometer with ATTINY 85 which can last for 140days with a single battery and it still works great after 40+ days with the same battery I showed …

Arduboy Pocket Watch!

“Ever wanted a pocket watch that you can play one click games on? Well then this is the project you were looking for! The first time I saw an Arduboy I immediately knew that I needed one, I also know …

DIY Arduboy GT

“Homemade Arduboy using custom PCB, modules and all through hole parts that stands out. 1.54” OLED display, silent buttons and RTC FTW For the Arduboy contest I took the opportunity to design a custom PCB for a homemade Arduboy …

Lor’s matrix glasses

“DIY (NO PCB) LED matrix glasses using 3mm LEDs! LED Matrix glasses made with discrete 3mm LEDs using their leads as the matrix frame. I started working on this project out of nowhere and a little over 2 days later …

Automatic Solar Powered Chicken Door

“How to create and program a door that open and close at sunrise and sunset, powered by solar panel. I wanted to build something with an arduino since I have received and completed an “arduino starter kit”. Therefore, this project …

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 …