My 2021 Creations

Version 1.8.1 main board of the TEC-13, updated the voltage converters to the version 3.2 and minor fixes, the board have serial to usb converter, 2 step-down converters with 80mv vpp, 2 microcontr...

Created a controller for radio repeaters, input for the rx, tx and link, with audio gain modifier for the rx-link, rx-tx, link-tx and cooler on/off with time set.

Created a text transmitter prototype, with 2w rf on vhf frequency, bluetooth/usb and serial on rear pins/ethernet configuration, made exclusively for automation using rf for sending and receiving t...

Created a board for the walkie-talkie system, with a step-down converter, 12 volts to 5 volts 2 amp, a 6w audio output amplifier, audio input gain regulator and output to frontal leds.

Another step-down converter, 12 volts to 5/9 volts 20 amp, now with less components and better price, with over-current protection using ptc and over-voltage/under-voltage protection, with the opti...

Created a step-up converter, 12 volts to 24 volts 10 amp, with the incredible 50mv vpp at 5 amps, with over-current using ptc and over-voltage protection, TD-1024 version 1.0.

Another step-down converter, 24 volts to 12 volts 20 amp, with the option to disable the converter onboard, with over-current, TD-2012 version 1.0.

Another step-down converter, 24v volts to 12/9/5 volts 20 amp, with the option to disable the converter onboard, TD-20 version 2.1.

Created another step-down converter, now with better termal performance and better vpp, with the option to disable the converter onboard, with over-current, and reverse polarity protection, TD-10 v...

Created a step-down converter, 12 volts to 5/9 volt 10 amp, with the option to disable the converter onboard, with over-current, and reverse polarity protection, version 1.0.

Ready-for-sale version of the 50 volt, 30 amp TD-30 solar controller, with over-current, over-voltage protection and bluetooth voltage configuration, version 2.1