ModsSHENZHEN I/O
SHENZHEN I/O mods
A mod changes the game itself. It needs something to load it, it may need other mods first, and it only works on the versions its author built it for.
545 mods, most downloaded first · newest update 1 Oct 2025
- EASY MATHby pawgor36 downloadsupdated 9 y ago
- JK FLIP-FLOPby 波波波波波35 downloadsupdated 3 y ago
- DECIMAL TO OCTALby 7656119898408999435 downloadsupdated 4 y ago
- QUADRATIC EQUATION SOLVER (EXTREME!)by taiksHave you ever thought about solving even tougher quadratic equation here in SHENZHEN I/O? Here's the second step: an Ax^2 + Bx + C = 0 equation with non-zero integer roots. Ready to turbocharge your brain? P.S. There's a simplified version in my workshop.35 downloadsupdated 10 y ago
- DW30 DISHWASHER LOGIC BOARDby erikvikingYour job, should you choose to accept it, is to design the logic board for a new kitchen dishwasher, the DW30. This model sports a water reservoir full sensor unlike the previous model, the DW20 (which never made it off the drawing board). The DW30 is in production and hardware has begun rolling...35 downloadsupdated 9 y ago
- THE HEAT IS ON!by byakurōGreetings, engineer! For your next project, you've been tasked with the design of a microcontroller that manages the heating system for individual hotel rooms. Considering some of the other projects on your resume, this should be an easy one for you...35 downloadsupdated 10 y ago
- VENTILATION SYSTEMSby 89o4th level from NNNIKKI's Spec pack "SUE" (Simple Utility Electronics)35 downloadsupdated 10 y ago
- DIGIT INVERTERby mys721txReversing an input string is the hallmark of pushdown automata. Is it possible to implement it with MCxxxx microcontrollers and a stack? You are given a two digit number. To fulfill this spec, your implementation should return the reverse of the number. For all numbers ends with 0, their reverse...35 downloadsupdated 8 y ago
- MICRO-COPTER MK3by anton.kurkinDevelop precise balancing system for micro-copter. For other versions see:35 downloadsupdated 9 y ago
- ELECTRONIC METRONOMEby Sparkette35 downloadsupdated 9 y ago
- HILL CIPHER INVERSEby ShadowCluster35 downloadsupdated 9 y ago
- WALL THERMOMETERby LanceaMillion12Just need to convert from kelvin to Celsius at the push of a button for a cheap indoor thermometer. Does make me wonder what kind of people would use the Kelvin readout. There are some strange people out there. Just about as simple as they come. Get this one done. Thanks,35 downloadsupdated 9 y ago
- IDENTIFIERby 89o1st level of the AUE (Advanced Utility Electronics)35 downloadsupdated 10 y ago
- NEW SPECIFICATIONby Brahming35 downloadsupdated 10 y ago
- 7-SEGMENT LCD OCRby 7656119898408999435 downloadsupdated 4 y ago
- MOUSE INTERFACEby 76561198402766774Simple mouse interface converting analog movement signals in digital cursor position on 800x600 screen.35 downloadsupdated 9 y ago
- LC70G HALFADDERby SashkakuhtaSimple introduction to logic gates35 downloadsupdated 10 y ago
- UPC BARCODE CHECKERby the_austriaCheck if a Barcode is valid by computing the check digit. My first implementation: ¥15, 672 Power, 33 lines35 downloadsupdated 9 y ago
- ARITHMETIC LOGIC UNITby isaac.wass (aaaaaaaa)*reg-1* is a simple input representing the first operand. *reg-2* is a simple input representing the second operand. *add/sub* is a simple input representing an arithmetic operation. *reg-3* is a simple output representing the computation's result. *zero* is a simple output indicating whether the...35 downloadsupdated 8 y ago
- WEAKER OF TWO SIGNALSby AemettaPlay this level first: "HIGHER SIGNAL WITH 0/0/0"34 downloadsupdated 9 y ago
- NEURONby Scorp34 downloadsupdated 9 y ago
- RUSSIAN ROULETTE (easy)by ShogalRussian roulette is a lethal game of chance in which a player places a single round in a revolver, spins the cylinder, places the muzzle against his or her head, and pulls the trigger. You have a gun, why not to shoot yourself?34 downloadsupdated 9 y ago
- PASSWORD DOORby redede34 downloadsupdated 5 y ago
- TINY POWER SINKby QuantumWizardJust try to consume as much power as possible using a single microcontroller.34 downloadsupdated 9 y ago
- MUXDEMUXby Overweight_SatanTake a multiplexer, throw in a demultiplexer and you get this.34 downloadsupdated 9 y ago
- RANDOM SHUFFLER (4)by ShadowCluster34 downloadsupdated 9 y ago
- OWG-1: GAIRAI BAKEMONO TURRETby sirtafeb----------------------------------------------------- From: 松本冬木<fuyuki@gairaisinpin.jp> Greetings, Shenzhen! I am sorry, I don't really know how to start, for the industry that our company deals with is... Well, not that "secret", but sometimes... a little surprising for an outsider. We at "Othe...34 downloadsupdated 9 y ago
- RR SCHEDULING (REGULAR)by ShadowCluster34 downloadsupdated 9 y ago
- MODULO TRIPLETS (X, Y, Z)by ShadowCluster34 downloadsupdated 9 y ago
- ENERGY USING ERRORby 89o12th level of the SUE.34 downloadsupdated 10 y ago
- IMPULSE CREATORby 89oNNNIKKI's first puzzle! Kinda crappy.34 downloadsupdated 10 y ago
- COMPACT SPEAKERby SofoxCan you make a speaker in the smallest amount of space possible? Inspired by "The Big One" from main campaign. I liked the solution I came up with for part of it and wanted to see if others would do the same.34 downloadsupdated 3 y ago
- SUM PRODUCTby WhimsicalThis device is rather simple, it has 2 random number generators as inputs, and wants you to provide the sum of those numbers to one of its outputs and the product of those numbers to the other. The only issue is that you have very little space to work with, just enough for 2 microcontrollers.34 downloadsupdated 9 y ago
- MOTOR CONTROLLERby rust devMake a motor controller for a scooter. Take into account the power button, the battery level, and the throttle to drive the motor.34 downloadsupdated 9 y ago
- NON-PARITY 3-PIN XORby TzaphqielSome silly person was requesting a special 3-pin XOR gate that didn't provide the standard parity-check behavior. It should be fairly straight-forward, and any business from someone too silly to do it themselves is still welcome, but don't spend too much time on this one, okay?34 downloadsupdated 10 y ago
- DUBSTEP PULSEby MbockMake it go wubwubwub My first attempt at creating a Shenzhen puzzle. Enjoy! :)34 downloadsupdated 10 y ago
- ROCK, PAPER, SCISSORSby woodroof33 downloadsupdated 9 y ago
- RANDOM SHUFFLER (INVERSE)by ShadowCluster33 downloadsupdated 9 y ago
- RANDOM SHUFFLER (REVERSE)by ShadowCluster33 downloadsupdated 9 y ago
- RANDOM SHUFFLER (5)by ShadowCluster33 downloadsupdated 9 y ago
- DOOR KEYPAD LOCKby WD^33 downloadsupdated 9 y ago
- MYSTERY SECURITY GENERATORby PongleousseA security chip is discontinued by the supplier, you must reproduce a functional equivalent.33 downloadsupdated 2 y ago
- BITWISE XORby mike_earnestOutput a number whose bits are the xor of the bits of the inputs.33 downloadsupdated 9 y ago
- Electronic Birthday Cakeby 89oThis is a spec I made for my brother's birthday.33 downloadsupdated 9 y ago
- Whoopie Cushionby 89oA little puzzle I made in 5 minutes. Enjoy! :)33 downloadsupdated 10 y ago
- DECODERby 89oThe 4th level of the AUE spec pack. Kinda hard.33 downloadsupdated 10 y ago
- LIFE SIMULATORby 89o8th level of the SUE spec pack.33 downloadsupdated 10 y ago
- RANDOM COMPARATORby User_4574Very simple, doesn't require much thought. Very efficient board design though. ^_^33 downloadsupdated 10 y ago
545 mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.