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.

Main Content

Solar Weather Station With ESP32, SIM800L, ESP8266, Sending Data to a WEB Server Over GSM/WiFi

“Let’s make small weather station, collect sensor data, setup web server, send and display data. Already existing weather station projects on the internet made me wanna build weather station for myself. So I did it. Let me show you …

Arduino Negative Voltmeter

“3-channel voltmeter with the ability to measure both negative & positive voltages on the same circuit or 3 different circuits simultaneously Stuck with only one multimeter/voltmeter ? But, sometimes you need to check 2 or 3 voltages as the same time …

LED & Sound Bending Machine

“On one of my regular trips to the junk store, I came across an old racing car game. The game itself was pretty lame but what caught my attention was the case. The design was pure retro awesomeness and I …

Moon Lamp With Remote

“Hello Everyone, I was inspired by https://www.instructables.com/Print-Your-Own-Moon/ and printed various sizes of the moon. They turned out good, but my challenges were Making it portable, rechargeable Work with and without wire Stronger Electronic circuit for the …

18650 Discharger

“A self powered 18650 Lithium-Ion battery discharge board. When I designed and tested a Li-ion charging circuit I needed a discharged Li-ion cell and so I grabbed a few power resistors and from time to time I measured the voltage …

Analog As Well As Digital Watch

“Recently I had thought of making a DIY wrist watch but didnt worked upon it until now. What interesting about this wrist watch is that it is digital but actually analog, what I mean to say is time will be …

Mini-TV Weather Station With the ESP32!

“Hello everyone, today I’m going to show you how I built a Mini-TV weather station with the ESP32! This is a very fun project I made over Christmas break, that should be relatively easy for people of all …

ESP32 BLE GamePad

“This is a wireless DIY Gamepad which you can use on both Android and windows to play your favorite video games. Like most of the traditional Game Controllers it has Two analog joysticks, two Trigger buttons, D-pad buttons and some …

How to Make Arduino Smartwatch With Custom PCB

“Hi all, in this instructable you will see how a smartwatch can be made using an Arduino board and a few other components. We are going to design and get a custom PCB fabricated which will be the motherboard of …

Arduino Music and Game Box

“This project was a special gift to my son Eyal, for the birth of his younger brother Itamar. It basically lets you play four games: Simon game Reaction time game Free play (baby-mode) Music mode - plays the Super Mario brothers …