Tag Archive for "battery protection"

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18650 Battery charger reverse polarity protection
Having many 18650 battery cells to charge, I bought a few dirt cheap TP4056 modules (0.22 EUR per piece) and discovered that they are “not designed for” reversed polarity cells. In other words, reversed battery = instant magic...
- Posted 4 years ago
- 2

SONY color camera module, 700 TV Lines
Color camera module equipped with a 1/3″ CCD sensor and...
- Posted 10 months ago
- 1
ESP32 Low Power Module
ESP32 Low Power Module, based on Espressif’s SoC capable of...
- Posted 10 months ago
- 0
Power supply latch
This power supply latch provides power to the external circuit...
- Posted 10 months ago
- 0
GSM/4G Remote Control with DTMF Commands
Two-way remote control system, based on the GSM/4G A7682E module...
- Posted 11 months ago
- 0
Acoustic amplifier – in DIY Kit
This kit creates a microphone amplifier with an output suitable...
- Posted 1 year ago
- 0
Clap sensor switch – in DIY Kit
It is capable of recognizing the sound of clapping hands...
- Posted 2 years ago
- 2
Liquid level indicator for tanks – in DIY kit
This monitoring device is useful for keeping track of the...
- Posted 2 years ago
- 0
LED candle with Breath-Activated ON/OFF – in DIY Kit
This LED candle with breath-activated ON/OFF function draws inspiration from...
- Posted 2 years ago
- 0

How to Adjust X and Y Axis Scale in Arduino Serial Plotter (No Extra Software Needed)
The Serial Plotter in Arduino is an excellent tool for...
- Posted 7 months ago
- 3
PCB CAD, A SELECTION GUIDE
Getting to know and evaluate the software offer for PCB,...
- Posted 4 years ago
- 0
DIY Sensor – Innovation & Implementation
A sensor converts data such as heat, light, sound,...
- Posted 4 years ago
- 0

The flame that doesn’t burn
Based on Neopixel and a special ultra-thin Arduino, it simulates...
- Posted 3 years ago
- 1
Here are the Winners from the 3Drag 3d printing contest
Here we are, eventually the contest has come to an...
- Posted 10 years ago
- 0
Updates from the 3Drag 3dprinting contest: Roland Hoffert’s Hacks
Roland Hoffert, from www.eytec.de, submitted us this 3Drag (Velleman K8200...
- Posted 11 years ago
- 0
Updates from the 3Drag 3dprinting contest: Karl Seiss’s Hack
Karl Seiss from Austria made a very clever hack to...
- Posted 11 years ago
- 0

Arduino ISP (In System Programming) and stand-alone circuits
We use an Arduino to program other ATmega without...
- Posted 13 years ago
- 226
Arduino GSM shield
This is a very low...
- Posted 14 years ago
- 218
Localizer with SIM908 module
The device is based on a GSM/GPRS module with...
- Posted 13 years ago
- 187
GSM GPS shield for Arduino
Shield for Arduino designed and based on the module...
- Posted 13 years ago
- 181
Small Breakout for SIM900 GSM Module
Some post ago we presented a PCB to mount...
- Posted 14 years ago
- 115

How to Control NeoPixel Installations via Wi-Fi Using Fishino and NodeMCU with Python
We create NeoPixel light installations with Fishino and NodeMCU...
- Posted 5 months ago
- 0
How to Adjust X and Y Axis Scale in Arduino Serial Plotter (No Extra Software Needed)
The Serial Plotter in Arduino is an excellent tool...
- Posted 7 months ago
- 3
Elettronici Entusiasti: Inspiring Makers at Maker Faire Rome 2024
Maker Faire Rome 2024 is ready to amaze the...
- Posted 7 months ago
- 0
makeITcircular 2024 content launched – Part of Maker Faire Rome 2024
Applications to MakeITcircular must be in by October 3,...
- Posted 9 months ago
- 0
SONY color camera module, 700 TV Lines
Color camera module equipped with a 1/3″ CCD sensor...
- Posted 10 months ago
- 1