With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
We have a be nice comment policy. Please be positive and constructive.
We noticed you attached photosto your comment.
it is based on ldr (light dependant resistor) the system makes use of a sensor for detecting the coin and a microcontroller that counts the coins and shows the count on a 7-segment display. When you close the load switch provided in the circuit, the relay energises to connect the load and the coin count on display starts decrementing. When the count decrements to zero, the relay de-energises to disconnect the load
Two-way Remote Intel Edison Buzzer
Two Simple drone delivery systems
Wash Alert with Intel Edison
How To Make A Customizable Weather Balloon
Low-cost Near Space Without HAM Radios or Cellphones
Reverse engineering: USB controlled home automation hack
GOING BEYOND THE HORIZON WITH LoRa RF1276
Drone payload drop system
Scientific Research High Altitude Balloon for Fun and Profit
Barebones High-Altitude Balloon Cam
Posted:Oct 6, 2012
Join 2 million + to receive instant DIY inspiration in your inbox.
Download our apps!
© 2016 Autodesk, Inc.