EasyRaceLapTimer Transponder SMD 1.2 for Balance Connector

2 layer board of 0.38x0.76 inches (9.58x19.30 mm).
Shared on December 10th, 2015 01:46.

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

Order board. Download. Permalink. Embed order link.