{"id":2772,"date":"2023-04-10T04:42:07","date_gmt":"2023-04-10T04:42:07","guid":{"rendered":"https:\/\/embedwiz.com\/?p=2772"},"modified":"2023-04-10T10:08:43","modified_gmt":"2023-04-10T10:08:43","slug":"arduino-tank","status":"publish","type":"post","link":"https:\/\/embedwiz.com\/arduino-tank\/","title":{"rendered":"Arduino Tank: Advanced Arduino Robot with a Functional Gun"},"content":{"rendered":"\n<p>Tanks are large, armored vehicles used by the military, but you can build a tiny <strong>Arduino tank<\/strong> version as a toy gift or school project.<\/p>\n\n\n\n<p>Building this tank is similar to making a robot, but you should equip the vehicle with chain wheels instead of two wheels to resemble the military tank.&nbsp;<\/p>\n\n\n\n<p>Also, it should have a functional gun that rotates at the top and fires plastic balls, plus a radio controller to give you remote control.<\/p>\n\n\n\n<p>So if you\u2019re familiar with <a href=\"https:\/\/embedwiz.com\/arduino-robot-with-ultrasonic-sensor\/\" target=\"_blank\" rel=\"noreferrer noopener\">Arduino robots<\/a>, this project should be a walk in the park. Let\u2019s look at how to build this tank using an Arduino board.<\/p>\n\n\n<h2 class=\"simpletoc-title\">Table of Contents<\/h2>\n<ul class=\"simpletoc-list\">\n<li><a href=\"#what-you-need\">What You Need<\/a>\n\n<\/li>\n<li><a href=\"#tank-hardware-connections\">Tank Hardware Connections<\/a>\n\n\n<ul><li>\n<a href=\"#power-bank-outputs\">Power Bank Outputs<\/a>\n\n<\/li>\n<li><a href=\"#radio-module-connection\">Radio Module Connection<\/a>\n\n<\/li>\n<li><a href=\"#dc-motor-connections\">DC Motor Connections<\/a>\n\n<\/li>\n<li><a href=\"#servo-motor-connections\">Servo Motor Connections<\/a>\n\n<\/li>\n<li><a href=\"#lights-assembly\">Lights Assembly<\/a>\n\n<\/li>\n<li><a href=\"#battery-monitoring-module\">Battery Monitoring Module<\/a>\n\n<\/li>\n<\/ul>\n<li><a href=\"#universal-remote-controller-assembly\">Universal Remote Controller Assembly<\/a>\n\n\n<ul><li>\n<a href=\"#circuit-diagram\">Circuit Diagram<\/a>\n\n<\/li>\n<\/ul>\n<li><a href=\"#code\">Code<\/a>\n\n<\/li>\n<li><a href=\"#wrap-up\">Wrap Up<\/a>\n<\/li><\/ul>\n\n<h2 class=\"wp-block-heading\" id=\"what-you-need\">What You Need<\/h2>\n\n\n<p>The project requires the following components.<\/p>\n\n\n\n<ul>\n<li>Arduino Nano board (R3)<\/li>\n\n\n\n<li>L298N motor driver<\/li>\n\n\n\n<li>Two DC motors<\/li>\n\n\n\n<li>L7805CV servo motor driver<\/li>\n\n\n\n<li>Two <a href=\"https:\/\/en.wikipedia.org\/wiki\/Servomotor\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">servo motors<\/a><\/li>\n\n\n\n<li>Darlington ULN2803 assembly<\/li>\n\n\n\n<li>APC220 or NS-12 radio module<\/li>\n\n\n\n<li>INA219 battery monitoring module<\/li>\n\n\n\n<li>Two <a href=\"https:\/\/en.wikipedia.org\/wiki\/Jumper_(computing)\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">jumpers<\/a><\/li>\n\n\n\n<li>Tank chassis, lid, and gun<\/li>\n\n\n\n<li>Battery<\/li>\n\n\n\n<li>Several capacitors (shown in the circuit diagrams below)<\/li>\n<\/ul>\n\n\n<h2 class=\"wp-block-heading\" id=\"tank-hardware-connections\">Tank Hardware Connections<\/h2>\n\n\n<p>The Arduino Nano board is the brains of the tank, and we\u2019ll connect it to almost all components.&nbsp;<\/p>\n\n\n\n<p>But since the project will consume lots of power, we\u2019ll have to use a customized power bank with four batteries and five outputs to power the system.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"power-bank-outputs\">Power Bank Outputs<\/h3>\n\n\n<p>These power bank outputs consist of the following pins.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Pin Number<\/strong><\/td><td><strong>Function<\/strong><\/td><\/tr><tr><td>1<\/td><td>Negative pin<\/td><\/tr><tr><td>2<\/td><td>On\/Off<\/td><\/tr><tr><td>3<\/td><td>GND<\/td><\/tr><tr><td>4<\/td><td>Positive (1.25-16V)<\/td><\/tr><tr><td>5<\/td><td>Positive control pin (10-16.8V)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>You can build any custom power bank with more or fewer batteries, but it should have these five pins for this project.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"radio-module-connection\">Radio Module Connection<\/h3>\n\n\n<p>Next, we\u2019ll hook up the communication module to enable the remote control function on the tank. Here\u2019s how to do it.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Power Bank<\/strong><\/td><td><strong>Arduino Nano<\/strong><\/td><\/tr><tr><td>1<\/td><td>N\/A<\/td><\/tr><tr><td>2<\/td><td>N\/A<\/td><\/tr><tr><td>3<\/td><td>GND<\/td><\/tr><tr><td>4<\/td><td>Vin<\/td><\/tr><tr><td>5<\/td><td>N\/A<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>The power supply\u2019s pins one and two should connect to the tank\u2019s body switch.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Arduino Nano<\/strong><\/td><td><strong>APC220 Module<\/strong><\/td><\/tr><tr><td>D1\/Tx<\/td><td>RxD<\/td><\/tr><tr><td>D0\/Rx<\/td><td>TxD<\/td><\/tr><tr><td>GND<\/td><td>GND<\/td><\/tr><tr><td>5V<\/td><td>Vcc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Also, connect the power bank\u2019s GND pin to the radio control module\u2019s ground pin. Here\u2019s what you should have after making the connections above.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/kHV2_Xu0SQk6wTvNrQBHNWGzhH9JCXQt2fRjJTqcMJmJFtJ-sgZ4ZaHItLuNQwmKmuCPD9Bba4SylY3EwJMzbWufGOm8VIjGAAIjMd6yAvg0TnnFpvJxnYu7x3gkjx2GhR9D4aA7p2Rq2T5d3g3ITw\" alt=\"The radio-module connection circuit diagram\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><em>The radio-module connection circuit diagram<\/em><\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"dc-motor-connections\">DC Motor Connections<\/h3>\n\n\n<p>After that, we\u2019ll hook the DC motors to the Arduino board using the L298N motor driver.&nbsp;<\/p>\n\n\n\n<p>All components use the power bank\u2019s +11V cra6 connection (pin4) as their power supply (except the battery monitoring module).<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Arduino Nano<\/strong><\/td><td><strong>L298N<\/strong><\/td><\/tr><tr><td>Vin (connects to the battery\u2019s +11V)<\/td><td>+12V<\/td><\/tr><tr><td>GND (connects to the battery\u2019s GND)<\/td><td>GND<\/td><\/tr><tr><td>D3<\/td><td>ENA<\/td><\/tr><tr><td>A3<\/td><td>IN1<\/td><\/tr><tr><td>A2<\/td><td>IN2<\/td><\/tr><tr><td>A1<\/td><td>IN3<\/td><\/tr><tr><td>A0<\/td><td>IN4<\/td><\/tr><tr><td>D5<\/td><td>ENB<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>L298N<\/strong><\/td><td><strong>Motors<\/strong><\/td><\/tr><tr><td>Right motor<\/td><td>OUT1 &amp; OUT2<\/td><\/tr><tr><td>Left motor<\/td><td>OUT3 &amp; OUT4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/4ZpDDK3TKwgW5QXAhGlGnZVoQx7bc01_TAwbMDrwg9PypcAxjuTGCGwPIFL0qsLzd7aofxgd9ZaoTec9mqUA8TADoDryLIHREisu-4MbaHmwHmcRcUFLjRIvX0i91Ylyq4MiEoSle_qR-AAXBMqe5w\" alt=\"DC motor connections circuit diagram\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><em>DC motor connections circuit diagram<\/em><\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"servo-motor-connections\">Servo Motor Connections<\/h3>\n\n\n<p>The tank\u2019s gun sits on the rotating tower, which has a swivel bracket to turn the firing chamber left\/right and raise\/lower it.&nbsp;<\/p>\n\n\n\n<p>These operations require two servo motors, which we\u2019ll power using the L7805CV motor driver, as shown below.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Arduino Nano<\/strong><\/td><td><strong>L7805CV<\/strong><\/td><\/tr><tr><td>Vin (connects to the battery\u2019s +11V)<\/td><td>IN<\/td><\/tr><tr><td>GND (connects to the battery\u2019s GND)<\/td><td>GND<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Arduino Nano<\/strong><\/td><td><strong>Servo Motors<\/strong><\/td><\/tr><tr><td>D10<\/td><td>Servo incline signal pin<\/td><\/tr><tr><td>D9<\/td><td>Servo turn signal pin<\/td><\/tr><tr><td>GND<\/td><td>GND pins on both motors<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>L7805CV<\/strong><\/td><td><strong>Servo Motors<\/strong><\/td><\/tr><tr><td>OUT<\/td><td>Power pins on both motors<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/a9HYtV7KPETnmHPorvrIlE3olcMpYYw4J-shQMTspX4TdGGb3fMAN1NFtC50zCCm7cBs-UHScCNYxp54-Lz57hWV77Jcp6M593fzWnQMD-OIeldJJ1DENG30TlGYlQYaA9KFPnz9OOR9EPjKWId8Xw\" alt=\"\"\/><\/figure><\/div>\n\n<h3 class=\"wp-block-heading\" id=\"lights-assembly\">Lights Assembly<\/h3>\n\n\n<p>The tank has three LED lights: two headlights and one on the gun. We\u2019ll need the Darlington ULN2803 assembly to power these components.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Arduino Nano<\/strong><\/td><td><strong>ULN2803<\/strong><\/td><\/tr><tr><td>GND (connects to the battery\u2019s GND)<\/td><td>Pin 9<\/td><\/tr><tr><td>D12<\/td><td>Pins 1 &amp; 2<\/td><\/tr><tr><td>D11<\/td><td>Pins 3 &amp; 4<\/td><\/tr><tr><td>D4<\/td><td>Pins 5 &amp; 6<\/td><\/tr><tr><td>D2<\/td><td>Pins 7 &amp; 8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Each headlight will have a separate resistor (470\u03a9), and the two will jointly connect to the ULN2803\u2019s pins 11 and 12.<\/p>\n\n\n\n<p>&nbsp;On the other hand, the gun\u2019s light will connect to the ULN2803\u2019s pins 15 &amp; 16. But all three will draw power from the battery directly.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/yJcj1DqfnufqJKYZM0F_yvq1pRFx8-Gml6IOvFC6BAuMvm1lLlm97iOuWc8l2F1FGGx5yg9-FCN4J7NZNwHvFxCsCTwWQABhdWSNo9kRNzLUnVHwkgOsE2VBMOfzX2K8ZEqNoTUKpq-Wsn4FQerTVQ\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>Light assembly circuit diagram<\/em><\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"battery-monitoring-module\">Battery Monitoring Module<\/h3>\n\n\n<p>Lastly, we will set up the battery monitoring system using the INA219 module, the only component that connects to the power bank\u2019s 10-16.8V +ve control pin.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>INA219<\/strong><\/td><td><strong>Power Bank<\/strong><\/td><\/tr><tr><td>Vin<\/td><td>Pin 5 (Positive control pin (10-16.8V))<\/td><\/tr><tr><td>GND<\/td><td>GND<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>The Arduino board will draw power from the power bank\u2019s pin 4 (as usual), then connect to the battery monitoring module, as shown below.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Arduino Nano<\/strong><\/td><td><strong>INA219<\/strong><\/td><\/tr><tr><td>5V<\/td><td>Vcc<\/td><\/tr><tr><td>GND<\/td><td>GND<\/td><\/tr><tr><td>A5<\/td><td>SCL<\/td><\/tr><tr><td>A4<\/td><td>SDA<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Follow this circuit diagram to link the components.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/lPOjvFMsCWRnJU6fdjmK4BAUnv4ppYpnYRE7SY8cMb79eRtmMUdbXR8euOxsNyFJlim4eBpY_q_kAYakWFJdeLVbJ5Z2wjS96ZRUeooNkHz81wCHrdc5Wz8hwoOm1VC3nAYJAtlZiOoNJqPcQD_gkQ\" alt=\"\"\/><\/figure>\n\n\n\n<p>Assemble these components inside the tank chassis, then set up the remote controller.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"universal-remote-controller-assembly\">Universal Remote Controller Assembly<\/h2>\n\n\n<p>You\u2019ll need the following primary components.<\/p>\n\n\n\n<ul>\n<li>7-9V power supply<\/li>\n\n\n\n<li>INA219 battery monitoring module<\/li>\n\n\n\n<li>Push button switch<\/li>\n\n\n\n<li>APC220<\/li>\n\n\n\n<li>HC-12<\/li>\n\n\n\n<li>HC-05<\/li>\n\n\n\n<li>Two ULN2803 modules<\/li>\n\n\n\n<li>Arduino Mega<\/li>\n<\/ul>\n\n\n<h3 class=\"wp-block-heading\" id=\"circuit-diagram\">Circuit Diagram<\/h3>\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/RORvYc6RDOK1G86zU6EPrIrOrOf-vPnvSngTOLdAuSSaFd-DmmHyO7JQirGa91stx_0bshL-nheP0pLu--v0akDoFVLXJ2DjEU0SY38dSS451Q6DaqDbjZLthOs3yY-4NriFMCMUryoe_p4qHjmdEg\" alt=\"\"\/><\/figure>\n\n\n<h2 class=\"wp-block-heading\" id=\"code\">Code<\/h2>\n\n\n<p>Download these two code files for the Arduino <a href=\"https:\/\/github.com\/dennismwihia\/Arduino-Tank-Project\/blob\/main\/Tank_Transmitter\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">transmitter<\/a> (universal remote controller) and <a href=\"https:\/\/github.com\/dennismwihia\/Arduino-Tank-Project\/blob\/main\/Tank_Receiver\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">receiver<\/a> (tank), then paste them to your IDE and upload each to the <a href=\"https:\/\/www.ourpcb.com\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">respective board<\/a>.&nbsp;<\/p>\n\n\n\n<p>After that, run the tank and try to fire the plastic balls.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"wrap-up\">Wrap Up<\/h2>\n\n\n<p>As you can see, this project is slightly more complex than the Arduino project we had looked at earlier, but it is worth the effort.&nbsp;<\/p>\n\n\n\n<p>However, if you encounter challenges with the implementation or getting the parts (such as the tank chassis), contact us, and we\u2019ll find a way to get them to you.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tanks are large, armored vehicles used by the military, but you can build a tiny Arduino tank version as a toy gift or school project. Building this tank is similar to making a robot, but &#8230; <a title=\"Arduino Tank: Advanced Arduino Robot with a Functional Gun\" class=\"read-more\" href=\"https:\/\/embedwiz.com\/arduino-tank\/\" aria-label=\"More on Arduino Tank: Advanced Arduino Robot with a Functional Gun\">Read more<\/a><\/p>\n","protected":false},"author":9,"featured_media":2773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Arduino Tank: Advanced Arduino Robot with a Functional Gun<\/title>\n<meta name=\"description\" content=\"Tanks are large, armored vehicles used by the military, but you can build a tiny Arduino tank version as a toy gift or school project.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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