Bradรกn Lane

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https://gitlab.com/bradanlane

@bradanlane photos and videos

The Tank Robot - reuses most of the code from the SCREAMZY project (sans the audio control). The biggest difference is the need to control 5 motors. The tank had ESCs for the big 4 DC drive motors and another ESC for the winch. The PCA9685 off loads all of the PWM timing from the EAP8266. The PCB is sufficiently generic Iโ€™ll send it out to be manufactured when I place my next order. I will shrink it down - there is a lot of empty space. #bradanlanebuilds #robots #pcb #design #pcbassembly #printedcircuitboard #circuit #smd #esp8266 #esp8266wifi #pca9685 #microcontroller #arduino #electroniclovers #internetofthings #electronics #diyelectronics #iot #engineering #tech #technology #howto #diy #doityourself #makersofinstagram #makerspace #makers

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Works well enough - the PCB for the tank used three steps with the laser engraver: trace isolation, clearing the solder pads, and making the stencil. The stencils are wonderful for applying just the right amount of solder paste to a PCB for surface mount components. I want to shrink down the PCB and will send it out for manufacturing with then next order. #bradanlanebuilds #pcb #design #pcbassembly #laserengraving #printedcircuitboard #circuit #smd #esp8266 #esp8266wifi #microcontroller #arduino #electroniclovers #internetofthings #electronics #diyelectronics #iot #engineering #tech #technology #howto #diy #doityourself #makersofinstagram #makerspace #makers

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Laser cutting the solder paste stencil - the paper is actually the discarded backing material from a local vinyl sign maker. It is almost the perfect thickness (itโ€™s 0.17mm compared to about 0.15mm of a professional stencil). The stencil paper is cut from the back because the front of the paper has a plastic glossy finish. The finish is perfect for the solder paste but the laser reflects off of it too much. The stencil is good enough to last for a few boards. #bradanlanebuilds #pcb #design #pcbassembly #printedcircuitboard #circuit #smd #esp8266 #esp8266wifi #microcontroller #arduino #electroniclovers #internetofthings #electronics #diyelectronics #iot #engineering #tech #technology #howto #diy #doityourself #makersofinstagram #makerspace #makers

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Solder mask completed using paint and a laser engraver. (I ran out of flat black paint so the solder mask is white.) The next step will be to cut the solder paste stencil with the laser engraver. #bradanlanebuilds #pcb #design #pcbassembly #cncjs #laserengraving #printedcircuitboard #circuit #smd #esp8266 #esp8266wifi #microcontroller #arduino #electroniclovers #internetofthings #electronics #diyelectronics #iot #engineering #tech #technology #howto #diy #doityourself #makersofinstagram #makerspace #makers

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CNCjs (for the win) - the Laser engraverโ€™s Print Server runs CNCjs. Itโ€™s like Octoprint but for CNCs, laser machines, etc. This video shows the laser clearing the solder pads. After etching and inspection, the entire PCB is painted again. By burning the paint off of the pads, the remaining paint acts as a solder mask. #bradanlanebuilds #pcb #design #pcbassembly #cncjs #laserengraving #printedcircuitboard #circuit #smd #esp8266 #esp8266wifi #microcontroller #arduino #electroniclovers #internetofthings #electronics #diyelectronics #iot #engineering #tech #technology #howto #diy #doityourself #makersofinstagram #makerspace #makers

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Donโ€™t try this at home - object tracking video at high speed will make you nauseous! PBC Laser Phase 1: The laser burns off the paint. Then the ash is washed off with soap and water using a bristle brush. The PCB is then etched using a muriatic acid + hydrogen peroxide solution. The board is cleaned and inspected. Phase 2 will mimic the solder mask. #bradanlanebuilds #pcb #design #pcbassembly #jlcpcb #printedcircuitboard #circuit #smd #esp8266 #esp8266wifi #wifi #microcontroller #arduino #electroniclovers #internetofthings #electronics #diyelectronics #iot #engineering #tech #technology #howto #diy #doityourself #makersofinstagram #makerspace #makers

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Single sided PCBs take me nearly twice as long as 2-layer PCBs. This is the motor controller board for the tank. While this PCB shows bottom layer traces (green) those are actually formed by the PCA9685 board. This will get etched using the Laser Engraver in a Roadcase - isolation traces, solder mask pads, and a solder paste stencil. #bradanlanebuilds #pcb #design #pcbassembly #jlcpcb #printedcircuitboard #circuit #smd #esp8266 #esp8266wifi #wifi #microcontroller #arduino #electroniclovers #internetofthings #electronics #diyelectronics #iot #engineering #tech #technology #howto #diy #doityourself #makersofinstagram #makerspace #makers

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Trees? In a Lunar Landscape? โ €โ € #focusapp #stereoscopic #nature #iphone #photography #dof #depthoffield

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Values or Identifiers? - for hobbyists would having component values be more helpful than identifiers? Iโ€™m switching up my boards to have the values for resistors, capacitors, connectors, switches, etc on the silkscreen rather than the component IDs. #bradanlanebuilds #robots #pcb #pcbassembly #printedcircuitboard #circuit #smd #esp8266 #arduino #electroniclovers #internetofthings #electronics #diyelectronics #iot #engineering #technology #howto #diy #doityourself #makersofinstagram #makerspace #makers

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SCREAMZY V3 PCB - Iโ€™m working on updates to the SCREAMZY. The biggest change is to try out a couple options to get the audio sensor working. One is to move the connector as close to the analog input as possible. The second option is to try a sensor with I2S which moves the ADC to the microphone. Using I2C means a lot of GPIO changes. #bradanlanebuilds #robots #pcb #pcbassembly #printedcircuitboard #circuit #smd #esp8266 #arduino #electroniclovers #internetofthings #electronics #diyelectronics #iot #engineering #technology #howto #diy #doityourself #makersofinstagram #makerspace #makers

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Introducing the SCREAMSY The toy kids love and parents hate ... at least that was the plan! The idea for the SCREAMZY was a robot toy which responded to sound with the volume controlling speed and the pitch controlling direction - imagine the chaos! The audio processing failed and will get redesigned. In the meantime, the SCREAMZY has a multi-touch interface which runs in the mobile browser. There is not app to install. With multiple SCREAMZYs you can have races, play a game of football (aka soccer), or terrorize the family pet. You can building your own SCREAMZY The code and PCB design files are available at http://gitlab.com/bradanlane/screamzy #bradanlanebuilds #robots #webdesign #mobileweb #progressivewebapps #pcb #pcbassembly #printedcircuitboard #circuit #smd #esp8266 #arduino #electroniclovers #internetofthings #electronics #diyelectronics #iot #engineering #technology #howto #diy #doityourself #makersofinstagram #makerspace #makers #davinciresolve #voiceover #videoediting

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The SCREAMZY is done! Celebration time! The toys are finished and they a crazy fun to drive using the integrated mobile web app. All the code is uploaded (complete with API documentation at: https://gitlab.com/bradanlane/screamzy Videos will trickle out over the next few days! #bradanlanebuilds #robots #3dprinting #robotics #esp8266 #blbscreamzy #diy #circuits #webdesign #webapp #jlcpcb #makerspace #makersofinstagram

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