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EasyRaceLapTimer Transponder SMD 1.2 for Balance Connector

author: TimJC
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2 layer board of 0.38 x 0.76 inches (9.6 x 19.3 mm)
Uploaded: December 10, 2015
Shared: December 10, 2015
Total Price: $1.40

IR transponder for multirotor (drone) racing with EasyRaceLapTimer system.

This board is designed to plug into the first two cells (7.4V) of the balance port on a LiPo battery, and is NOT limited to 2S batteries.

Note: ATTiny85 needs to be programmed with applicable code from EasyRaceLapTimer project.

This board has not been tested.

Parts to populate each board:

  • ATTiny85 SOP8

  • MMBT2222A

  • 33Ohm 1206 Resistor

  • 330Ohm 1206 Resistor

  • Infrared 950nm LED LD274-3

  • Right Angle Single Row Pinheader (3 Pins)

  • 10uF 1206 Capacitor (2 needed)

  • LM1117 5V Regulator SOT-223

Helpful:

  • SOP-8 programming clip

For more informaiton visit:

  • EasyRaceLapTimer.com

  • RCGroups.com thread

5V Versions that can be powered by a spare servo port on receiver or flight controller:

  • SMD R1.2 version

  • Through hole R1.1 version

IR transponder for multirotor (drone) racing with EasyRaceLapTimer system.

This board is designed to plug into the first two cells (7.4V) of the balance port on a LiPo battery, and is NOT limited to 2S batteries.

Note: ATTiny85 needs to be programmed with applicable code from EasyRaceLapTimer project.

This board has not been tested.

Parts to populate each board:

  • ATTiny85 SOP8

  • MMBT2222A

  • 33Ohm 1206 Resistor

  • 330Ohm 1206 Resistor

  • Infrared 950nm LED LD274-3

  • Right Angle Single Row Pinheader (3 Pins)

  • 10uF 1206 Capacitor (2 needed)

  • LM1117 5V Regulator SOT-223

Helpful:

  • SOP-8 programming clip

For more informaiton visit:

  • EasyRaceLapTimer.com

  • RCGroups.com thread

5V Versions that can be powered by a spare servo port on receiver or flight controller:

  • SMD R1.2 version

  • Through hole R1.1 version

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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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