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🏆Top 200 Shenzhen I O Mods 2026

The 200 best Shenzhen I O Mods mods, ranked by community endorsements. 1,015+ mods available — free downloads with install guides.

Ranked #1–#200 · Updated daily

Top 25Top 50Top 100Top 200
🏆 All Mods🏅 Top 25🆕 Newest📈 Trending🧩 Compatible🔧 Install🎲 Surprise Me
🥇

CROSSOVER

— 05,369 dl
🥈

7-SEGMENT LCD

— 03,867 dl
🥉

THE 99 HOLE

— 02,595 dl
#4

RADIO-CONTROLLED I/O INTERFACE

— 01,802 dl
#5

UNKNOWN PACKET SIZE

— 01,709 dl
#6

CONTROL SIGNAL ATTENUATOR

— 01,563 dl
#7

DIVISIBILITY BY THREE

— 0889 dl
#8

FULL ADDER

— 0870 dl
#9

SIMPLE 1-BIT ADDER

— 0708 dl
#10

UNKNOWN HARDWARE BOARD REPAIR

— 0707 dl
#11

Audio Fixer

— 0699 dl
#12

PGA BASED FUNCTION TESTER

— 0671 dl
#13

PICODISK READER

— 0636 dl
#14

8BIT BINARY ENCODER

— 0616 dl
#15

RPN MATH COPROCESSOR

— 0612 dl
#16

ODD OR EVEN

— 0612 dl
#17

DATA BUFFER UNIT

— 0587 dl
#18

THE KEY

— 0556 dl
#19

PGA33X6 FOR BEGINNERS

— 0533 dl
#20

DELIVERY DRONE (ARRAY SORT)

— 0500 dl
#21

DIV 2

— 0475 dl
#22

MINIATURE DRONE CONTROLLER

— 0456 dl
#23

MAJORITY GATE

— 0455 dl
#24

Simple Data Compression

— 0440 dl
#25

PRIME FACTOR CALCULATOR

— 0438 dl
#26

ELECTRIC TOOTHBRUSH

— 0423 dl
#27

CREDIT CARD VERIFIER

— 0412 dl
#28

XOR GATE

— 0403 dl
#29

DRINKING GAME SCOREKEEPER (V1)

— 0400 dl
#30

MORSE DECODER

— 0387 dl
#31

Tesla Challenge 1: Fizzbuzz Test Engine

— 0378 dl
#32

DMUX - Simple Demultiplexor

— 0371 dl
#33

EVENNESS DETECTOR

— 0368 dl
#34

DISK DRIVE CONTROLLER

— 0366 dl
#35

DYNAMIC CELLULAR AUTOMATON

— 0359 dl
#36

TRIANGULAR NUMBERS

— 0334 dl
#37

HANDHELD GEIGER COUNTER

— 0325 dl
#38

Tesla Challenge 2: Caesar Cipher Translator

— 0315 dl
#39

LOUDSPEAKER W/ VOLUME CONTROL

— 0313 dl
#40

*WTF?* SERIES: Puzzle 1

— 0311 dl
#41

WIRING TURMOIL

— 0307 dl
#42

Tesla Challenge 24: WRPG Server Database

— 0302 dl
#43

BINARY ENCODER

— 0302 dl
#44

Tesla Challenge 3: Solarpowered Alarm Clock

— 0296 dl
#45

Tesla Challenge 11: XBus Universal Counter

— 0288 dl
#46

3-BIT FPGA ADDER

— 0287 dl
#47

Tesla Challenge 20: Replica Portalgun

— 0287 dl
#48

Tesla Challenge 15: Handheld Tic Tac Toe

— 0285 dl
#49

Tesla Challenge 14: Pixel Matrix Printer

— 0285 dl
#50

Tesla Challenge 4: Triple Number Sorter

— 0283 dl
#51

Tesla Challenge 17: Adaptive NV Goggles

— 0281 dl
#52

Tesla Challenge 13: Solitaire Solving Robot

— 0281 dl
#53

Tesla Challenge 19: Multicolored Lights

— 0281 dl
#54

Tesla Challenge 7: Logic Function Array

— 0280 dl
#55

Tesla Challenge 12: Smart Refrigerator

— 0278 dl
#56

Tesla Challenge 9: Decimal-Binary Converter

— 0277 dl
#57

Tesla Challenge 6: Hoverboard Controller

— 0277 dl
#58

Tesla Challenge 16: Echo Generator

— 0276 dl
#59

Tesla Challenge 10: Surveillance Drone

— 0276 dl
#60

FIGHTING GAME 3

— 0275 dl
#61

Tesla Challenge 5: Superhero Agility Suit

— 0275 dl
#62

Tesla Challenge 22: City Planning Tool

— 0275 dl
#63

Tesla Challenge 21: Love Calculator

— 0272 dl
#64

Tesla Challenge 8: Dark Radiation Sensors

— 0272 dl
#65

Tesla Challenge 23: Magic Square Generator

— 0272 dl
#66

Tesla Challenge 18: Auditory Wrist Watch

— 0271 dl
#67

PGA33X6 FULLADDER

— 0270 dl
#68

PGA33X6 SR LATCH

— 0269 dl
#69

LOAD BALANCING ROBOT

— 0257 dl
#70

Run Length Encoding

— 0256 dl
#71

AND OR XOR

— 0256 dl
#72

RULE 30 CELLULAR AUTOMATON

— 0255 dl
#73

(SLIGHTLY HARDER) CONTROL SIGNAL ATTENUATOR

— 0251 dl
#74

MATH MODULE, SQRT()

— 0249 dl
#75

Low-Pass Filter

— 0249 dl
#76

PROGRAMMABLE POWER ROUTER

— 0248 dl
#77

FAKE SMART WATCH

— 0225 dl
#78

PSUEDORANDOM

— 0223 dl
#79

DOT PRODUCT

— 0222 dl
#80

PORTABLE PI CALCULATOR

— 0210 dl
#81

ADVANCED DISK DRIVE CONTROLLER

— 0207 dl
#82

PWM GENERATOR

— 0205 dl
#83

PGA WANTS LOVE

— 0201 dl
#84

PGA33X6 HALFADDER

— 0200 dl
#85

OPERATION FAMOUS BISCUITS

— 0198 dl
#86

SHIFT RIGHT BY 1 BIT

— 0196 dl
#87

ELECTRONIC COIN FLIP

— 0196 dl
#88

DOOR OPENER

— 0189 dl
#89

IN-LINE NETWORK CENSORSHIP

— 0183 dl
#90

PROXIMITY-BASED LANTERN

— 0178 dl
#91

"SECURE" KEYPAD

— 0178 dl
#92

IS IT EVEN?

— 0175 dl
#93

UART RECEIVER

— 0173 dl
#94

2-CHANNEL MIXER

— 0171 dl
#95

PING PONG EFFECT

— 0169 dl
#96

MICRO-COPTER MK2

— 0168 dl
#97

Data Transfer Cord

— 0165 dl
#98

PACEMAKER

— 0163 dl
#99

SIMPLE TRANSFORM CHIP

— 0159 dl
#100

PACKET GENERATER

— 0157 dl
#101

THE MAILROOM

— 0157 dl
#102

3D PRINTER

— 0155 dl
#103

5-BIT BINARY CONVERTER

— 0153 dl
#104

4 PHASE ROTARY ENCODER POSTION TRACKER

— 0153 dl
#105

MATH COPROCESSOR

— 0151 dl
#106

SQRT COPROCESSOR

— 0151 dl
#107

Multi-Level Light Switch

— 0148 dl
#108

LINEAR CONGRUENTIAL GENERATOR

— 0147 dl
#109

MODULO 7 CALCULATOR

— 0145 dl
#110

VELOCITY VECTOR MONITOR

— 0144 dl
#111

VALVE STEAM CONTROLLER

— 0143 dl
#112

PORTION CONTROL

— 0143 dl
#113

PERSONAL MASSAGER

— 0143 dl
#114

DECIMAL TO BINARY

— 0141 dl
#115

RADIO INTERCEPTOR

— 0135 dl
#116

REMOTE LOCK DEVICE

— 0134 dl
#117

NON-ZERO COUNTER

— 0132 dl
#118

BINGO DETECTOR(3X3) - CHD

— 0130 dl
#119

SMALL GATE

— 0130 dl
#120

DIVIDE BY 7

— 0128 dl
#121

1.5 MULTIPLIER

— 0125 dl
#122

LOW WIDTH DATA TRANSFER

— 0125 dl
#123

HEADPHONE/LINE OUT SWITCHER

— 0125 dl
#124

DX300

— 0125 dl
#125

HIGHER SIGNAL WITH 0/0/0

— 0123 dl
#126

FLIPITY-FLOPITY

— 0123 dl
#127

ELECTRONIC PISTOL X-100

— 0120 dl
#128

CALCULATOR

— 0119 dl
#129

PARITY

— 0119 dl
#130

TV CONTROLLER INTERFACE

— 0116 dl
#131

4-BIT COUNTER

— 0115 dl
#132

MEMORY LATCH

— 0114 dl
#133

PULSE WAVE GENERATOR

— 0114 dl
#134

PERFECT SQUARES

— 0113 dl
#135

SIMPLE BATTLE SIMULATOR

— 0113 dl
#136

INPUT COUNTER

— 0112 dl
#137

THE SIN

— 0110 dl
#138

BOTS CLEANING SCHEDULE - CHD

— 0110 dl
#139

X TO THE POWER OF Y

— 0108 dl
#140

REAL WORLD QUADRATURE DECODER

— 0106 dl
#141

DOUBLE-TAP INDICATOR

— 0103 dl
#142

Elevator Circuit

— 0103 dl
#143

Audio Steganographic Coder

— 0102 dl
#144

EASY FIBONACCI DISPLAYER

— 0100 dl
#145

SIGNAL DIVIDER

— 0100 dl
#146

VOICE ASSISTANT FILTER MODULE

— 099 dl
#147

VOTING BOOTH - CHD

— 099 dl
#148

BINARY ENCODER

— 098 dl
#149

LOOKUP TABLE

— 097 dl
#150

SPR... LIZARD? SPOCK!?

— 096 dl
#151

Buffer Tank

— 096 dl
#152

AMPLIFIER

— 095 dl
#153

FUNCTION MAPPER

— 095 dl
#154

TOASTER CONTROL

— 094 dl
#155

SMART ENERGY METER

— 091 dl
#156

LINEAR FUNCTION

— 091 dl
#157

BCD SERIALISATION

— 090 dl
#158

CROSSFADER

— 090 dl
#159

SIMPLE 3 FUNCTION CALCULATOR

— 089 dl
#160

CLAP

— 089 dl
#161

PRIME DIRECTIVE

— 089 dl
#162

MICRO-COPTER MK1

— 087 dl
#163

DNA RECOMPOSER

— 087 dl
#164

DIVIDE BY 2

— 086 dl
#165

FACE CONTROLLER

— 085 dl
#166

FIGHTING GAME

— 085 dl
#167

O II A I O III AI

— 085 dl
#168

SINGAL ROUTER

— 084 dl
#169

BINARY CLOCK

— 084 dl
#170

3D PRINTER JOB QUEUE

— 083 dl
#171

MORSE CODE GENERATOR

— 083 dl
#172

DISPLAY SOURCE SELECTOR

— 083 dl
#173

2-PORT NETWORK SWITCH

— 082 dl
#174

PHONEPAD RECOGNITION

— 082 dl
#175

DISK READER

— 082 dl
#176

PALINDROME DRONE

— 082 dl
#177

POWER 2 LOVE

— 082 dl
#178

DIGITAL-TO-ANALOG CONVERTER

— 082 dl
#179

4X4 MATRIX TRANSPOSITION

— 081 dl
#180

THE BIG SIFT

— 081 dl
#181

AVERAGE SINCE LAST ZERO

— 080 dl
#182

SQUARES AND CUBES

— 080 dl
#183

KILLING BOX

— 080 dl
#184

RAY GUN

— 080 dl
#185

TRAFFIC LIGHT

— 080 dl
#186

PSD THERMOSTAT

— 079 dl
#187

SUNLIGHT ALARM

— 079 dl
#188

1-BIT REGISTER

— 079 dl
#189

QUATERNION MULTIPLICATION

— 078 dl
#190

WIRELESS HEART MONITOR

— 078 dl
#191

THE 8 PUZZLE

— 078 dl
#192

IGNITION MODULE

— 078 dl
#193

TRIANGULAR NUMBER GENERATOR

— 077 dl
#194

PGA33X6 Introduction 1

— 077 dl
#195

WIRELESS SERIAL NUMBER OCR V1

— 077 dl
#196

BCD DIGIT ENCODER

— 077 dl
#197

SCISSORS PAPER ROCK

— 076 dl
#198

LOOK AND SAY NUMBER TOY

— 075 dl
#199

Zero lines of code challenge

— 074 dl
#200

RUBE GOLDBERG MACHINE (COMMUNITY)

— 074 dl
📋 Browse All 1,015 SHENZHEN I/O Mods

How Are These Rankings Determined?

What makes a mod top ranked?

Ranked by endorsement count — the community's metric for quality. Downloads also factor in. Rankings update when we refresh from official mod sources.

Are all mods free to download?

Yes. Every mod listed on discovermods is free. We link to official download pages — no paywalls, no accounts required.