{"id":14715,"date":"2016-05-09T11:30:03","date_gmt":"2016-05-09T10:30:03","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=14715"},"modified":"2017-01-11T15:40:38","modified_gmt":"2017-01-11T14:40:38","slug":"two-motor-controller-boards-for-the-raspberry-pi-from-4tronix-review","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=14715","title":{"rendered":"Two motor controller boards for the Raspberry Pi from 4tronix &#8211; review"},"content":{"rendered":"<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full\" src=\"https:\/\/i0.wp.com\/4tronix.co.uk\/store\/resources\/image\/18\/d0\/2.jpg?resize=560%2C398\" width=\"560\" height=\"398\" \/><\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/picon_zero.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-14717\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/picon_zero.jpg?resize=560%2C271&#038;ssl=1\" alt=\"picon_zero\" width=\"560\" height=\"271\" srcset=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/picon_zero.jpg?w=1000&amp;ssl=1 1000w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/picon_zero.jpg?resize=300%2C145&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/picon_zero.jpg?resize=768%2C372&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/picon_zero.jpg?resize=560%2C271&amp;ssl=1 560w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/picon_zero.jpg?resize=260%2C126&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/picon_zero.jpg?resize=160%2C77&amp;ssl=1 160w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n<p><em>This weekend has given me time to work my way through my &#8216;review pile&#8217;. I&#8217;m almost to the bottom of the pile now &#8211; just one book to go. In the meantime, however, I tried out two motor controller boards from 4tronix.<\/em><\/p>\n<h2>Introduction<\/h2>\n<p>At the moment, there is a certain saturation in the motor controller board (MCB) market. There are boards available in a variety of form-factors and from various vendors and re-sellers. So, what can a new motor controller board, or indeed two, have to offer?<\/p>\n<p>To answer this question, I got hold of a couple of new MCBs from Gareth at\u00a0<a href=\"http:\/\/4tronix.co.uk\/\" target=\"_blank\">4tronix<\/a> who are based in Derby. Gareth&#8217;s solution to the market saturation is to build boards that are simply\u00a0<em>loaded\u00a0<\/em>with features. It&#8217;s certainly a compelling argument, so let&#8217;s see what he&#8217;s come up with this time!<\/p>\n<h2>RoboHAT<\/h2>\n<p><a href=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/robohatinaction.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-14718\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/robohatinaction.png?resize=560%2C420&#038;ssl=1\" alt=\"robohatinaction\" width=\"560\" height=\"420\" srcset=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/robohatinaction.png?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/robohatinaction.png?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/robohatinaction.png?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/robohatinaction.png?resize=560%2C420&amp;ssl=1 560w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/robohatinaction.png?resize=260%2C195&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/robohatinaction.png?resize=160%2C120&amp;ssl=1 160w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n<p>First up is the <strong>RoboHAT<\/strong>. This is a full HAT-sized, pre-assembled board with the following features:<\/p>\n<ul>\n<li>A 5V switching regulator that allows the board to be powered, and to power the Pi, from a 7-10V source.<\/li>\n<li>Dual H-bridge chip to drive two\u00a0DC motors (or two pairs)<\/li>\n<li>Six 5V level shifted GPIO inputs with 3-pin connectors.<\/li>\n<li>Four 5V level-shifted GPIO outputs with 3-pin connectors (capable of driving servos).<\/li>\n<li>4-pin header for an ultrasonic distance sensor.<\/li>\n<li>I2C breakout connector.<\/li>\n<li>Mounting screws and spacers to attach the HAT to the Raspberry Pi.<\/li>\n<\/ul>\n<p>That&#8217;s an awful lot of features, and an awful lot of motors, especially if you use all the outputs for servos.<\/p>\n<p>Installing the HAT is just a case of plugging it in. It has an EEPROM which configures the necessary overlays and turns on I2C. The instructions are simple &#8211; download an installation script and run it. Included in the downloads is a Python library and several test scripts.<\/p>\n<p>I used these test scripts to try the HAT out. I connected up a 4xAA battery pack, two DC motors and two servos and ran some of the scripts and off the motors went. Very simple, very well-featured and, for \u00a324 (inc VAT), very good value. You can <a href=\"http:\/\/4tronix.co.uk\/store\/index.php?rt=product\/product&amp;product_id=547\" target=\"_blank\">get hold of one from the 4tronix website<\/a>.<\/p>\n<h2>Picon Zero<\/h2>\n<p><a href=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/piconzeroinaction.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-14720\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/piconzeroinaction.png?resize=560%2C420&#038;ssl=1\" alt=\"piconzeroinaction\" width=\"560\" height=\"420\" srcset=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/piconzeroinaction.png?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/piconzeroinaction.png?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/piconzeroinaction.png?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/piconzeroinaction.png?resize=560%2C420&amp;ssl=1 560w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/piconzeroinaction.png?resize=260%2C195&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/05\/piconzeroinaction.png?resize=160%2C120&amp;ssl=1 160w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n<p>Second on the review pile was the Picon Zero. This is, surprisingly enough, a Zero-form-factor board. It is pre-assembled and has the following features:<\/p>\n<ul>\n<li>Two full H-bridge motor drivers capable of giving up to 1.5A per channel (2A max) in forward and reverse directions.<\/li>\n<li>Six\u00a0general purpose 5V 3-pin output channels that can be set as digital, PWM, servo or WS2812 (aka neopixels).<\/li>\n<li>Four\u00a0general purpose 5V 3-pin inputs that can be set to digital, <strong>analog<\/strong> or DS18B20 (digital temperature sensor).<\/li>\n<li>Extra GPIO pins broken out into headers.<\/li>\n<li>A header for I2C.<\/li>\n<li>Motors can be powered either from the Pi&#8217;s 5V power source or from an external battery pack.<\/li>\n<\/ul>\n<p>In my opinion, the Picon Zero is actually the superior board in comparison to the RoboHAT. Yes, there is a bit more manual configuration to do (in the form of a manual apt-get installation of the I2C libraries) and yes it is smaller and has fewer power options. And no, it doesn&#8217;t power the Pi from the battery pack.<\/p>\n<p>However, it has more output channels (and therefore can be used to control more servo motors)\u00a0and, intriguingly, it has analog inputs. The option to set the outputs to digital, PWM, servo or WS2812 is terrific and the ability to simply power motors from the Pi&#8217;s 5V power source gives you a lot of flexibility to &#8216;just use it&#8217; without messing about with a battery pack if your motors are low-powered.<\/p>\n<p>I plugged in two micro metal gear DC motors and four (!) servos into the board and powered them all from the Pi&#8217;s 5V line with no trouble.<\/p>\n<p>Like the RoboHAT, the Picon Zero has an installation script that downloads a library and several example scripts. Using these scripts made my motors turn and I had a lovely little display of spinny things with very little effort.<\/p>\n<p>The price is \u00a316 (inc VAT), which is very reasonable, and you can <a href=\"http:\/\/4tronix.co.uk\/store\/index.php?rt=product\/product&amp;product_id=552\" target=\"_blank\">get hold of one from the 4tronix website<\/a>\u00a0or <a href=\"https:\/\/thepihut.com\/products\/picon-zero-intelligent-robotics-controller-for-raspberry-pi\" target=\"_blank\">from The Pi Hut<\/a>.<\/p>\n<h2>Conclusion<\/h2>\n<p>These two boards from 4tronix are excellent. Sure, they are a little more expensive than some (but not all) other options, but the number of features on the boards, and the sheer technical beauty of the board design, are great compensation for that. Honestly, if I was looking for a motor controller board that could control\u00a0<em>loads<\/em> of motors, there really isn&#8217;t much competition and I have no hesitation in recommending them.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This weekend has given me time to work my way through my &#8216;review pile&#8217;. I&#8217;m almost to the bottom of the pile now &#8211; just one book to go. In the meantime, however, I tried out two motor controller boards&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=14715\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[20,44,45],"tags":[],"class_list":["post-14715","post","type-post","status-publish","format-standard","hentry","category-gpio-boards","category-reviews","category-robotics"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Two motor controller boards for the Raspberry Pi from 4tronix - review - Raspberry Pi Pod<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=14715\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Two motor controller boards for the Raspberry Pi from 4tronix - review - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"This weekend has given me time to work my way through my &#8216;review pile&#8217;. I&#8217;m almost to the bottom of the pile now &#8211; just one book to go. In the meantime, however, I tried out two motor controller boards&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=14715\" \/>\n<meta property=\"og:site_name\" content=\"Raspberry Pi Pod\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/recantha\/\" \/>\n<meta property=\"article:published_time\" content=\"2016-05-09T10:30:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2017-01-11T14:40:38+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/4tronix.co.uk\/store\/resources\/image\/18\/d0\/2.jpg\" \/>\n<meta name=\"author\" content=\"Michael Horne\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@recantha\" \/>\n<meta name=\"twitter:site\" content=\"@recantha\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Michael Horne\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14715#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=14715\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Two motor controller boards for the Raspberry Pi from 4tronix &#8211; 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Well worth a look if you're after something a bit more substantial for your motor control. You can currently pick one up\u2026","rel":"","context":"In &quot;Accessories&quot;","block_context":{"text":"Accessories","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=54"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/4tronix.co.uk\/blog\/wp-content\/uploads\/2013\/10\/prc19-300x188.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":15327,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=15327","url_meta":{"origin":14715,"position":1},"title":"4tronix release new ZeroPoint Analog board &#8211; use for Raspberry Pi gauges!","author":"Michael Horne","date":"22 August 2016","format":false,"excerpt":"Featuring a small stepper motor and an orange pointer, the new ZeroPoint board from 4tronix allows you to add a gauge to the Raspberry Pi. It has a Zero-sized form-factor and the motor is driven by an H-bridge motor controller. There are numerous pins broken out and there's a small\u2026","rel":"","context":"In &quot;GPIO boards&quot;","block_context":{"text":"GPIO boards","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=20"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/08\/zeropoint.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/08\/zeropoint.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/08\/zeropoint.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2016\/08\/zeropoint.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":7621,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=7621","url_meta":{"origin":14715,"position":2},"title":"New #RaspberryPi budget motor controller boards available from @4tronix_uk","author":"Michael Horne","date":"28 January 2014","format":false,"excerpt":"4tronix are now offering a new motor controller board called the MicRoCon. I got one of these in the post the other day and I've soldered it together (very easy) but not had the chance to play with it yet. 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It's a motor controller board with the ability to drive six servos and two DC motors. It's a great little board and Robin Newman has done something with it that just appeals to my robotics brain :-) He's used the Picon\u2026","rel":"","context":"In &quot;Bluetooth&quot;","block_context":{"text":"Bluetooth","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=82"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/rjIuksEs-gM\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":6816,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=6816","url_meta":{"origin":14715,"position":4},"title":"New product found: @4tronix_uk PiRoCon robot controller for #RaspberryPi","author":"Michael Horne","date":"31 October 2013","format":false,"excerpt":"eBay vendor 4tronix, (@4tronix_uk) who have proved themselves to be very good at customer service (just ask @gadgetoid\u00a0or myself!) and super-fast on delivery have just released the PiRoCon - a GPIO robot controller plugin board. It has the following features: 5V 1.5A regulator to power the robot and the Pi\u2026","rel":"","context":"In &quot;GPIO boards&quot;","block_context":{"text":"GPIO boards","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=20"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":15007,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=15007","url_meta":{"origin":14715,"position":5},"title":"Ben Nuttall&#8217;s top 10 add-on boards for the Raspberry Pi","author":"Michael Horne","date":"4 July 2016","format":false,"excerpt":"I don't normally feature this kind of 'list', but it's Ben Nuttall from the Foundation and I really appreciate his opinion. He's picked his top 10 favourite add-on boards for the Raspberry Pi and published it over at opensource.com. Take a look here. We're on pretty much the same wave-length,\u2026","rel":"","context":"In &quot;Accessories&quot;","block_context":{"text":"Accessories","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=54"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/opensource.com\/sites\/default\/files\/styles\/image-full-size\/public\/images\/life\/raspberrypi_boards_3.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14715","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14715"}],"version-history":[{"count":5,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14715\/revisions"}],"predecessor-version":[{"id":16218,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/14715\/revisions\/16218"}],"wp:attachment":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14715"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14715"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}