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AVR HVSP programmer Rev 1.1

author: MrBlinky
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2 layer board of 2.15 x 0.85 inches (54.6 x 21.6 mm)
Uploaded: April 11, 2020
Shared: April 12, 2020
Total Price: $9.15

High voltage serial programmer for AVR Attiny devices

  • Easy to make programmer using 12V DC-DC converter with enable and ATMEGA32U4 Beetle board.
  • Programs AVR Attiny devices in high voltage mode to recover fuse settings and allows reset pin to be used as GPIO pin.
  • Works with Arduino IDE / AVRdude
  • No hassle with Windows driver utilities. Uses built in windows 10 driver or Arduino IDE driver.

fully assembled image

GITHUB

https://github.com/MrBlinky/avr-hvsp

Parts

Qty. Discription
1 12V DC-DC converter/booster module with enable
1 ATMEGA32U4 Beetle board without parts on PCB bottom + headers (No 3.3V pin and no extra GND pins on top row.)
1 3 mm Red LED
1 3 mm Yellow LED
1 3 mm Green LED
5 470 Ohm resistor (1/8 Watt)
2 1K resistor (1/8 Watt)
1 PM48XP P-channel MOSFET SOT23 package (optional)*
1 8 pin header (for programming connector)
1 2 pin header (for DC-DC converter)
3 1 pin header (for DC-DC converter)
1 8 pin IC socket
1 6x6mm tactile button

*A MOSFET is recommended for a more powerful VCC. However if devices are only programmed using the IC socket or in low power circuits (<20mA), the MOSFET can be left out. In that case VCC is powered by a GPIO pin by shorting jumper J1. When using a MOSFET, Jumper J1 must be left open.

High voltage serial programmer for AVR Attiny devices

  • Easy to make programmer using 12V DC-DC converter with enable and ATMEGA32U4 Beetle board.
  • Programs AVR Attiny devices in high voltage mode to recover fuse settings and allows reset pin to be used as GPIO pin.
  • Works with Arduino IDE / AVRdude
  • No hassle with Windows driver utilities. Uses built in windows 10 driver or Arduino IDE driver.

fully assembled image

GITHUB

https://github.com/MrBlinky/avr-hvsp

Parts

Qty. Discription
1 12V DC-DC converter/booster module with enable
1 ATMEGA32U4 Beetle board without parts on PCB bottom + headers (No 3.3V pin and no extra GND pins on top row.)
1 3 mm Red LED
1 3 mm Yellow LED
1 3 mm Green LED
5 470 Ohm resistor (1/8 Watt)
2 1K resistor (1/8 Watt)
1 PM48XP P-channel MOSFET SOT23 package (optional)*
1 8 pin header (for programming connector)
1 2 pin header (for DC-DC converter)
3 1 pin header (for DC-DC converter)
1 8 pin IC socket
1 6x6mm tactile button

*A MOSFET is recommended for a more powerful VCC. However if devices are only programmed using the IC socket or in low power circuits (<20mA), the MOSFET can be left out. In that case VCC is powered by a GPIO pin by shorting jumper J1. When using a MOSFET, Jumper J1 must be left open.

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      Hey there! Before ordering, make sure you have all the info you need to complete and use this design. This usually means a component list, and sometimes additional information such as assembly notes, source code, or usage guides.
      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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