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Ian writes:
Thank you participating in the Open 7400 Competition. All the entries were amazing, check out the full list here.
Four judges, Dave Jones from EEV Blog, Jayson Tautic CEO of TAUTIC ELECTRONICS LLC, Marc Alexander from Freetronics, and Dino Segovis from Hack A Week, and Ian from Dangerous Prototypes each made a top ten list. The projects with the most votes were awarded prizes.
…
With unanimous consent of all judges, and also the reader’s choice winner, 7400 Capacitive Touch Array (Capacitive touch sensing the hard way) wins the grand prize of $100 and first pick of the prizes.
Nine entries took second place with votes from 2 judges. These winners get next pick from the prizes.
- Telephone Intercom From TTL
- 7400 Based Full Wave Rectifier
- Lazarus 64 (Retro game system, graphics gen)
- Masochist’s Video Card
- Lights Out, Turing Style
- Illogical Dickson Doubler
- 74Clock
- 7400 Series Drum Machine (Four-channel, sixteen-step percussion synthesizer/sequencer)
- Electronic Realization of Etch-A-Sketch Toy with 32-Page Flip-Pad
22 entries placed third with the vote of at least 1 judge. They get to pick a prize too.
- Nixie Tube Clock
- Pure TTL Clock (5 digit 7 seg display)
- Discrete Servo Driver
- Discrete logic POV Clock
- Animated LED Christmas sign
- SPI LCD Backpack
- TTL Tilt Sensor
- 7400 Logic E-reader
- Discrete logic amplifier
- Police Lights and Siren (shown for Toy Car)
- AM Radio
- TTL based range finder (with 3 digit 7 seg display)
- Accelerometer Controlled Racing Game
- TEC Temperature controller (Peltier)
- CD4007-Based Voice Changer
- Game of Life with CMOS logic
- 7400 Drum Machine
- Homemade 7400, better than Logical 7400
- Horologium Romanum (Roman Numeral Clock)
- Bin Night Reminder
- 80M Direct Conversion Receiver
- 7400 Series Logic PLL Based Switch-Mode PSU
Thanks again for entering, we hope to see you again next year! Thanks to the sponsors
Electronics-Lab.com is a sponsor and offered :
1 x uOLED-32028-P1T graphics display module + P1-EB expansion module + uDrive-USB-G1 SD module + uUSB-CE5 module + 64MB microSD card + adapter and a mass of electronics related books
for winner entry: Telephone Intercom From TTL
Thanks everyone who participated.
Open 7400 competition winners - [Link]
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