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Douglas Johnson

MechE student at Carnegie Mellon with an interest in code and robotics.

Pittsburgh, PA
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douglas-johnson
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This user joined on 09/30/2020.

27.9k
6.8k
17
195
Micro Smart LiDAR Sensor
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MappyDot

bleckyBlecky

14.8k
3.4k
13
158
Single rotor, "human-safe", selfmade ball-drone with air vanes for position control
Project Owner Contributor

The Ball-Drone Project

benjamin-prescherBenjamin Prescher

14.6k
3.4k
7
39
Yet another homebrew computer based on 65C02 CPU
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DB6502

dawid-buchwaldDawid Buchwald

12.5k
5.7k
12
46
A fully hardware debounced rotary encoder.
Project Owner Contributor

Hardware Debounced Rotary Encoder

tonyTony

9.5k
1.7k
11
34
Flip-Flop design with just one transistor. Nice for transistor-CPU's ! The principle can also be used for vacuum tube flipflops.
Project Owner Contributor

One Transistor FlipFlop

roelhroelh

8.6k
8.5k
10
155
Small magic pcb for moving miniature cars, trains or satellites :-)
Project Owner Contributor

Ant highway - linear motor for micro cars

bobriciusbobricius

8.5k
2.4k
0
36
Put your Verilog on real hardware, real cheap
Project Owner Contributor

FPGA Bootcamp #3

al-williamsAl Williams

7.7k
3.1k
0
10
How I added a 500W heater to my 3D printer to enable reliable ABS printing.
Project Owner Contributor

Enclosure Heater for 3D Printer

mark-rehorstMark Rehorst

7.6k
355
0
6
Simple analog Sanitiser Dispenser (No-Contact) using 555 timer IC with auto cut-off timer (even with trigger). Cheap and No-Coding Solution.
Project Owner Contributor

555 Sanitizer Dispenser (With cut-Off)

vybhav-nagvybhav-nag

6.6k
5.9k
3
36
A computer built around a Atari 2600 (VCS), with a few nifty upgrades, 6502, 64k + 128bytes ram, coprocessor, 77 is getting a rework
Project Owner Contributor

Super atari 6502 (A "DIY" 2600 hardware clone...)

robertRobert

6.1k
2.8k
2
33
Project of metal 3D-printer for printing unique metal parts, by using welding wire, induction heating and other physics)))
Project Owner Contributor

Metal 3D-printer based on induction heating...

sergey-rSergey R.

5.4k
3.3k
4
9
A BMS that publishes Cell Voltage to a MQTT Broker
Project Owner Contributor

6S IOT BMS

johannesJohannes

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3.1k
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19
How to turn your Raspberry Pi into an all-in-one retro gaming console
Project Owner Contributor

Retropie: Full guide for Raspberry Pi

dmitryDmitry

3.4k
3.4k
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29
Fully 3D Printed 6 DOF Arduino Robot Arm
Project Owner Contributor

LittleArm Big

slantconceptsslantconcepts

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3.3k
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10
LoRa 2.4Ghz module used in full duplex mode, sending/receiving MavLink telemetry data
Project Owner Contributor

LoRa 2.4 Ghz for drone telemetry

akio-satoAkio Sato

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3k
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6
The idea is to take Raspberry Pi, current/voltage meter INA219, and visualize the data by the web interface.
Project Owner Contributor

Power logger with Raspberry Pi

victorVictor

1.2k
19
1
20
Wi-Fi LED strip controller that works well
Project Owner Contributor

Volumetric: Wi-Fi LED strip controller

sergei-silnovSergei Silnov

807
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An excellent project for location tracking involving a Ublox sensor and an Arduino, which can be used for many portable devices.
Project Owner Contributor

Arduino Ublox Neo-7N GPS Module Project

electorialsElectorials

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