100% brand new and high quality The PPM Encoder plugs into the PWM servo output ports of any R/C receiver and encodes them into a PPM pulse suitable for many autopilots (e.g. Pixhawk). Modifications to the R/C receiver are not necessary. The whole project is based around the ATMEL ATMEGA328p AVR processor and all timing is done within interrupts so accuracy and stability is optimized. The design of the PPM Encoder is based on the Paperazzi PPM Encoder. Important tips: The firmware comes pre-configured to read 8 Channels. In case you would like to change the settings of the PPM encoder to invert the PPM signal and change the fail safe pre-defined values you will need an AVR ISP programmer in order to reprogram it. The jumper on the board no soldering default. In this case the board powered by FC Specifications: Dimension: 28 x 19 x 5mm/1.1' x 0.74' x 0.2'(approx) Color:as picture shown Quantity: 1 set Note: No retail package. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x PPM Encoder 1 x 10 Pin input cable 60mm 1 x 4 Pin output cable 100mm(other accessories demo in the picture is not included.)