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Author: giodem

ESP32 self updating from web server

10 March 2022 giodem Electronics

Over the air ESP32 update, fetching firmware from folder in remote server. The new .bin file is located in a …

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PV panel IV curve simulator

10 January 2022 giodem Solar power

This circuit can be used to simulate a PV panel up to 30W and 40V. The open circuit voltage depends …

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PV string simulator to test grid solar inverters

10 January 2022 giodem Electronics

A simple and inexpensive circuit to power a grid-tied photovoltaic inverter on the DC side, reproducing the i-v characteristic of a photovoltaic string. Useful to power an inverter at the bench, during repair.

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Recent projects

9 January 2022 giodem Projects
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DIY Pick and place machine with OpenPnP

29 March 2021 giodem Electronics

This PnP machine is designed to be precise (linear rails) and economic (small 3D printed parts, wooden frame), and use …

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How to open a multicontact solar connector

1 December 2020 giodem Solar power

The two clips need to be pressed-in at the same time, then gently pull the two connectors apart. The best …

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Flash .hex files on Atmega without Arduino IDE

7 August 2020 giodem Electronics

Download XLoader. Select your .hex file. Select your device, com port and baud rate. Click upload.    

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Sardinia’s electricity transmission network

17 May 2020 giodem Energy

Sadinia’s main electricity transmission network consist of a main bone line at 370 kV that interconnects the main generation sites …

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MiniTrack

11 May 2020 giodem Products

MiniTrack is the solar tracking controller designed for small size PV. The input receives 12-30 Vdc, and up to 1 …

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ThermoTrack

11 May 2020 giodem Products

Thermotrack is the solar tracking controller designed for medium 1/2-axes solar trackers, using PV panels or thermal panels/concentrators for hot …

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  • ESP32 self updating from web server
    10 March 2022
  • PV panel IV curve simulator
    10 January 2022
  • PV string simulator to test grid solar inverters
    10 January 2022
  • Recent projects
    9 January 2022
  • DIY Pick and place machine with OpenPnP
    29 March 2021
  • Use Arduino timers like PLC timers
    18 March 2018
  • Pioneering photovoltaic
    24 April 2018
  • Installation of the photovoltaic plant at home with Sun tracking
    15 February 2006
  • Sun tracking control system for PV
    6 December 2017
  • Flash .hex files on Atmega without Arduino IDE
    7 August 2020
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