• Pied Piper Updates | Wiki | Github
• 10/14/2022 - Technical developments since previous deployment
• 1. Significant improvement to battery life
• 2. Simplified construction
• 3. New hardware self-test routine during startup
• 4. Improved audio quality and mating call detection algorithm efficacy
• 5. Improved image quality
• 10/26/2021 - Field testing concluded
• 9/28/2021 - Further field testing underway; Hardware revision completed
• 8/19/2021 - Second field test underway
• 7/25/2021 - First field test completed
• 7/3/2021 - Summer deployment begins
• 6/12/2021 - Unit construction, gearing up for deployment
• 5/27/2021 - Camera integration update
• 5/3/2021 - Camera integration
• 4/2/2021 - False Positive Rate of Detection Algorithm Reduced
• 3/17/2021 - Noise Reduction Measures Implemented
• 3/1/2021 - Removal of AudioFX Board
• 2/16/2021 - Environmental Noise Collection
• 2/11/2021 - Digital Bandpass Filter Initial Results
• 2/9/2021 - Digital Bandpass Filter Testing
• 2/7/2021 - Spectrogram Debug Tool
• 1/28/2021 - Power Mode Update
• 1/19/2021 - Testing Update
• 11/3/2020 - Algorithm Update
• 10/12/2020 - Second Field Test Complete
• 9/25/2020 - Second Field Test
• 9/3/2020 - First Field Test
• 8/31/2020 - Recording Functionality Added
• 5/18/2020 - New PCB Designed and Ordered
• 5/6/2020 - Initial Testing with Trap and Vibration Exciter
• 4/27/2020 - Trap Modeled and Printed
• 4/20/2020 - New Audio Exciter
• 3/9/2020 - New Contact Mic Housing
• 3/6/2020 - System Testing
• 3/3/2020 - Redesigned PCB
• 2/11/2020 - Fixed issues with TPIC6B595 Shift Register
• 2/10/2020 - Improved Detection Algorithm
• 1/24/2020 - Bug Fixing
• 1/16/2020 - Successful Detection Through Substrate
• 11/22/2019 - Contact Mic Enclosure Printed
• 11/15/2019 - Collective Update
• 11/12/2019 - Vibration Motor Enclosure Printed
• 11/4/2019 - PCB Designed and Ordered
• 10/11/2019 - Detection Algorithm improved