Content for MCP73831

MCP73831

Tiny 500mA linear charge management controller. Includes integrated pass transistor, integrated current sensing, and reverse discharge protection in 5-pin SOT-23 and thermally-efficient 8-pin 2mm x 3mm DFN packages.

PicoLight - Minimalist Light for Product Shots

“PicoLight is a minimalist adjustable light for low-light photography, based on the Raspberry Pi Pico. One of the activities I really enjoy while working on a new project is documenting it. I love getting creative while taking pictures of the …

LIR1220 Charger

“Charger for LIR1220 Li-Ion batteries based on MCP73831.”

ACS730 500kHz Oscilloscope Current Probe

“If you’ve ever worked with some sort of power electronics or high current devices before, you may have also asked yourself how the current waveform looked in those devices, specially if you were troubleshooting them. Well, since this is …

EPaper Dashboard

“E-Paper Multipurpose Dashboard powered by Li-Po with roughly four months battery life I needed a device that can store the date of a specific event, which I can check later. To be more precise, I needed a device that can …

Neon Lamp Tea Light

“Neon lamps, also known as neon glow lamps, are wonderful little bulbs that glow orange when you give them high voltage and low current. Neon lamps are mostly obsolete now; they belong to an era when many electronic devices were …

Binary Calculator

“A binary calculator and binary clock in a handheld format using circuit sculpture building techniques. 328p, MCP7940 RTC, TLC5928 LED driver Technical Details: Atmega 328p processor TLC5928 Constant Current LED Driver MCP7940 RTC MCP73831T Li-Ion Charge Controller 5mm red LEDS …

FLEXBALL - a Hundred Pixel Flexible PCB Ball With WiFi

“Hello makers, it’s maker moekoe! Flexball is based on a flexible PCB which is equipped with 100 WS2812 2020 addressable LEDs. It is controlled by an ESP8285-01f - the smallest ESP based module by Espressif. Additionally it has an …

Moon Phase Display

“A battery powered e-ink display showing the current phase of the moon. I’ve used this project as a way to learn. It includes my first custom PCB, one of my first 3D prints, my first encounter with open source …

Project  LED candles

LED candles

“These candles flicker like a real candles and can be activated with real flame Flame (or heat) detection is based on temperature dependence of the LED’s forward voltage. This voltage is measured (at very low LED current) by internal …

The Ultimate Binary Watch

“I recently got introduced to the concept of binary watches and started doing some research to see if I could build one for myself. However, I was unable to find an existing design that was both functional and stylish at …