“Check the Continuity First, check that you don’t have a short circuit between the positive and negative columns. To do this, use… — Oyvind Nydal Dahl Copy Share Image
“Step 4: Practice Your Reaction Time! All that’s left is to connect the battery to the supply columns. The button at the… — Oyvind Nydal Dahl Reset button Copy Share Image
“NOTE Many electronics enthusiasts also call continuity mode beep mode.” — Oyvind Nydal Dahl Copy Share Image
“MEET THE REACTION GAME CIRCUITS The reaction game will consist of three circuits: A 555 timer circuit that determines the speed of… — Oyvind Nydal Dahl Reset button Copy Share Image
“ADD A BUZZER TO YOUR GAME Congratulations: You’ve finished the last project in the book! Now, it’s up to you to decide… — Oyvind Nydal Dahl Little bee Copy Share Image
“Before you move on to the next step, check that this circuit is working by connecting an LED with a resistor to… — Oyvind Nydal Dahl Next step Copy Share Image
“Check for Bad and Good Beeps Now, plug your battery clip into the breadboard as you would normally, but without the battery.… — Oyvind Nydal Dahl Leadership Copy Share Image
“Step 4: Use the Capacitor to Light the LED Watch the LED while removing the battery. The LED shouldn’t turn off right… — Oyvind Nydal Dahl Copy Share Image
“Shopping List A breadboard (Jameco #2212218, Bitsbox #CN204) with at least 60 rows. Breadboard jumper wires (Jameco #2237044, Bitsbox #CN236)—you’ll need around… — Oyvind Nydal Dahl Copy Share Image
“Check for Power If the connection to the NAND-gate IC is correct, use a multimeter to measure the output voltage from the… — Oyvind Nydal Dahl Leadership Copy Share Image
“A Counter to Turn the LEDs On To control the LEDs, you’ll use a decade counter, which is an IC that counts… — Oyvind Nydal Dahl Productivity Copy Share Image
“Step 5: What If the Game Isn’t Working? If you’ve followed my instructions so far, the circuits from Steps 1 and 2… — Oyvind Nydal Dahl Copy Share Image
“Step 2: Add the Capacitor Connect your capacitor to the battery. Because the capacitor is polarized, place the pin marked with a… — Oyvind Nydal Dahl Copy Share Image
“Tools A wire cutter (Jameco #35482, Bitsbox #TL008) to cut small pieces of wire. A multimeter (Jameco #2206061, Bitsbox #TL057, Rapid Electronics… — Oyvind Nydal Dahl Copy Share Image
“CHECKING CONNECTIONS AS A TEAM Finding circuit problems is called debugging, and it’s easier to do with some help. When you get… — Oyvind Nydal Dahl Problem solving Copy Share Image
“A 555 Timer to Set the Light Speed The circuit that sets the reaction game’s speed will be built around a 555… — Oyvind Nydal Dahl Productivity Copy Share Image
“A Latch to Start and Stop the Light Do you remember the SR latch from “Saving One Bit at a Time” on… — Oyvind Nydal Dahl Productivity Copy Share Image
“AN LED REACTION GAME It’s time to put all the pieces I showed you together to build the reaction game. This circuit… — Oyvind Nydal Dahl Time Copy Share Image
“LET’S MAKE A GAME! You’ve built all sorts of small circuits in this book, and each circuit was designed to teach you… — Oyvind Nydal Dahl Light Copy Share Image
“Step 1: Build the 555 Timer Circuit Plug the 555 timer into the breadboard all the way at the top so that… — Oyvind Nydal Dahl Left and right Copy Share Image
“Step 3: Build the Start and Stop Circuit The last piece of this project is the button circuit that starts and stops… — Oyvind Nydal Dahl Copy Share Image
“Step 3: Charge the Capacitor Connect the battery to the clip, and the LED should light up. At the same time, the… — Oyvind Nydal Dahl Copy Share Image
“Step 5: What If the Circuit Doesn’t Work? First, check whether the circuit works without the capacitor. If not, then go back… — Oyvind Nydal Dahl Move forward Copy Share Image
“TRY IT OUT: CHANGE THE LIGHT’S SPEED To change the speed and difficulty of the game, play around with different values for… — Oyvind Nydal Dahl Different values Copy Share Image
“Shopping List A breadboard (Jameco #20601, Bitsbox #CN329) with at least 30 rows. A standard 9 V battery to power the circuit.… — Oyvind Nydal Dahl Copy Share Image
