Monthly Archives: September 2017

Using solar charge controller with wall power

I did not have a battery charger for my 9 amp hour battery and using a car battery charger would kill it. One thing i did have in the shop was a solar charge controller. Will a wall wort power supply be able to replace the incoming power instead of a solar cell? source

BLUETOOTH : Connecting Android phone with Arduino

Bluetooth module HC-05 is used to establish a wireless connection between android phone and Arduino. Load the source code into the Arduino before making the circuit. IMPORTNT – Remove the Rx and Tx connections everytime when uploading the source code. Source code is in the comment. (Watch other video if you don’t know how to […]

Affordable MPPT Solar Charge Controller – EPever Tracer 3210A

This time I want to share my last find – affordable, real MPPT, solar charge controller – EPever Tracer 3210A. MPPT Solar Charge Controller: EPever MT50 Remote Meter: Wireless Controller for Epever Tracer: Communication Cable CC-USB-RS485: Electronic brand special sale: 15% off for Brand in Tools: Brand (valid until 31 Mar.) […]

Arduino connected to an Android phone via Bluetooth (JY-MCU module)

A basic example of establishing a connection between an Arduino Uno and an Android phone via Bluetooth. A widely available and relatively inexpensive JY-MCU Bluetooth module (like this one: is used. Code and wiring diagram available on: How to connect an Arduino Uno to an Android phone via Bluetooth Bluetooth module link: source

China 30A Solar charge controller manufacturers

Manufacturer from China: Email: [email protected] Tel: 0086-18868582038 Tel: 0086-57985161015 Fax: 0086-57985161016 WhatsApp: +86 18868582038 Skype: albert7076 Wechat/QQ: 43630129 —Zhejiang Yummy Technology Co., Ltd— —Add: 78 Building Houzhai Industrial Distric,Yiwu 322000,Zhejiang,China.— China 30A Solar charge controller manufacturers source

What Is MPPT Solar Charge Controller?

Renogy was founded on the strong belief that solar power should be mppt charge controllers and from sunstore. A mppt, or maximum power point tracker is an electronic dc to converter that optimizes the match between solar array (pv panels), and battery bank utility grid mppt tracking algorithm included in charge controllers used for extracting […]

ESP-32S Wifi Bluetooth Module – control GPIO to blink LED, using Arduino core for the ESP32

This example show how to modify the most basic Blink example, control GPIO of ESP32 using Arduino core for the ESP32, to toggle external LED. source

Module Bluetooth HC-05 – Tutoriel Arduino

Vidéo d’illustration de la mise en oeuvre du module bluetooth HC-05 avec Arduino. Un simple échange entre l’Arduino et un téléphone est mis en oeuvre (avec echo sur la voie série) source