Hero Jr. Front panel

The Hero Jr. personal robot from HeathKit: a 1984 product way ahead of its time

One of my first memories is a vision of lying near my dad in the basement in the mid-1980s while he endlessly soldered away at some big project. Later, I spent a lot of my childhood messing around with the product he was assembling: a Hero Jr. robot. This was a educational personal robot, intended to be your “friend, companion, and security guard.” Here he is:

Hero Jr. from 3 sides
My family’s Hero Jr.

Hero Jr. has a sonar, infrared motion sensor, light sensor, sound sensor, radio-frequency remote, drive motor, obstruction sensor, and a RS-232 serial port. His out-of-the-box features included a security guard mode, alarm clock, poetry, singing, and (my favorite) the ability to explore around the house, often while singing America, Daisy Bell, or Little Miss Muffet.

Hero Jr. Drive Motor
Hero Jr.’s drive motor. Drive motor… OK.

Hero Jr. was created by the Michigan company, HeathKit, which is famous for designing and selling high-quality electronics kits since 1926. (but is now, sadly, gone UPDATE: It filed for bankruptcy in 2012 but is still operating today to some degree). As with most HeathKit products, Hero Jr. came as a kit, you had to mount and solder every component onto the circuit boards and install the motors, speakers, and sensors. It cost around $600.

Hero Jr. Power/Sense board
Hero Jr.’s Power/Sense board, assembled by my dad in 1985

His sensors are pretty solid, even a few decades later. My sister and I had a game where we’d try to sneak past him but he usually caught us. He also has a Cowboys and Robots game where you shoot him in a darkened room with a flashlight and he tells you if he got you first. Fun times. Here’s his Security Guard feature with hilarious singing when you get caught. (You could literally hook him up to a transmitter that would actually summon the police, but we never did this.)

The possibilities really get exciting with Hero Jr. Programming Language (HJPL), a simple set of instructions interfacing directly with the 99 CPU registers that you could enter, line by line, on the simple hexadecimal keypad of the robot itself. PCs were just becoming at thing at this time so my dad never experienced the BASIC option over the serial port. Below is a video of me entering and executing a simple counting sample program from the manual. It explained that we’re initializing a constant value of 0 in register 1 and then speaking the contents of register 1 and then adding a constant to the contents of register 1 and then gotoing up a line. Legend has it that my dad used to program it to walk around the house looking for a heat source and then reciting a love poem (assuming it had found my mom). Sometimes it accidentally recited the poem to the dog.

It’d be interesting to try to couple Hero Jr. with a Raspberry Pi and use it as part of a more modern personal assistant. When you get a text, it could hunt you down in your house (heat seeking) and tell you what it said. It’d still be a novelty obviously, but its great voice synthesis (driven by the Votrax SC-01A voice synth chip) really could add some charm to the uniform landscape we have today. That’ll have to be a future project.

Hero Jr. is powered by a 1 MHz Motorola 6808 CPU and can have up to 24 kB of RAM. The CPU board is below the power board, pictured below.

Hero Jr. main CPU board
Hero Jr.’s CPU board with the Motorola 6808 and some but not all of the optional RAM installed

Hero Jr. has an add-on slot where you can hook in different ROMs to give him different capabilities. Here are a few of them:

Some Hero Jr. add-ons and instructions
Some Hero Jr. add-ons and instructions

It occurs to me that it’s been a long time since one single person knew all the details of a modern microprocessor, and exponential complexity and miniaturization seems to have left us hopeless in any desires to explore the magic of the computer/phone/camera/GPS/stereo/theater in our pockets. This goofy robot reminds me that it’s always possible to explore curiosities and fiddle around.

Given the relative sophistication of this guy, I’m honestly a bit surprised we don’t have much fancier things today. The Smart Speaker and robo-vacuum things are neat, but I think it could become much more interesting. It’s inspiring to see what was done in the 1980s.

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15 thoughts on “The Hero Jr. personal robot from HeathKit: a 1984 product way ahead of its time”

  1. Agreed, a Raspberry PI is the key to bringing Hero Jr to the 21st century. Search youtube and you will see someone already added vision to the robot with just that!

  2. After seeing this my Jibo can’t even do that or things Alexa and he doesn’t light up anymore and now the company is bankrupt is their anyone to save Jibo w a update of AI to really bring him to life

  3. Ive been thinking of getting my Jnr going again as his P/S is blown.Before that fault I did a few upgrades as an ultrasonic sensor,rs232 ,full ram and new cartridge eproms and a half finished remote.
    I will upgrade to Lithiums when I repair the P/s .
    Gary Australia

  4. When I working at goodwell i came across one,chk the batteries
    and test her out it my my boss sent it for sa-is. fun
    back in 1987

  5. I won one of these in a Jones Store promotion in 1985. It has been sitting in a closet for more than 25 years. I brought it out and ordered a new battery for it last month. It started right up! Everything works except his roaming mode. He complains that something is in his way every time he starts moving forward. Other than that he works perfectly. Remote control movement works, so I’m happy.

    1. Wow, that is super awesome! I can’t believe you won one. What an exciting prize. I’m glad to hear yours works. He knows if he’s moving or not based on the little reflective stickers on his wheel. He shoots light at them and counts how many reflections he sees. Check his little wheel motion sensor to see if anything’s blocking the sensor or his shiny stickers.

      1. Hello,
        I ran across your website today and saw the comment I left here two years ago. I am interested in selling my Hero Jr Robot to someone who would appreciate its uniqueness. I looked for a robot club in my area, Kansas City, but couldn’t really find one. My robot is still working quite well. He generally sits around charging his new batteries. He came with most all the accessories one of these had. I know there were only a few thousand of these made so there aren’t very many around in as good a shape as this one. I hate to part with it, but this Hero Jr needs to be in someone’s collection or on display. If you know anyone who might be interested, let me know. Thank you! By the way, you have quite the website.

          1. Hi Mat, I have two working and complete Hero Jr I’m trying to sell. Each robot has the remote, and original docs, 6 game cartridges in original boxes, HJPL &Demo & Basic cartridges with instructions and price sheets including original warranty, sales invoice and original marketing brochures. I also have the original boxes they were shipped in.
            More remarkable is I have the complete Heathkit home security system with door/window sensors, motion detector and wireless transmitters. One of the transmitters is installed in a robot as a Hero Jr option and when the robot is in guard mode, it will detect motion and heat sources and sound the alarm which has two sirens.
            If you or anyone is interested in these, please contact me at gmelton765@gmail.com.

  6. I have a hero jr that was given to me. I really have no interest in it. Seen it work when it was given to me. Think it needs a battery. Looking to sell it. It looks like your followers I enjoy it. Could you tell me what it’s worth and if anyone is interested in it? Before I put it on EBay.

    1. Oh nice! I’m not sure exactly what it’s worth since it’s such a vintage item. It’s hard to judge interest. I think I’ve seen them on ebay in the past for $400-$800 or so but I’m not sure what they have sold for.

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